US US 8675928, (CON) US 8885896 Multiple charge-coupled biometric sensor array
Embodiments of the present invention relate to fingerprint scanning. Specifically, the present invention relates to a multi-sided fingerprint scanning device on a card (e.g., credit card, smart card, etc.), an associated energy-efficient method for attaining accurate fingerprint information using a multiple charge-coupled biometric sensor array.…
US 20120319225 Dynamically configurable photovoltaic cell array
Embodiments of the present invention relate to photovoltaic cells. Specifically, the present invention relates to photovoltaic (PV) cells configurable for energy conversion and imaging. In a typical embodiment, each photovoltaic cell (PV) in the photovoltaic array is divided into a pixel-based array. Each photovoltaic cell is coupled to a set of…
Conductive carbon nanotubes (CNTs) obtained by dotting carboxylated CNTs with metal nanocrystals by chemical functional groups, are described, as well as a method for fabricating a pattern or film of the conductive CNTs which involves repeatedly depositing conductive CNTs on a substrate to achieve high surface density.
The invention relates to methods for fabricating ceramic nanocomposite powders, comprising a ceramic matrix and carbon nanotubes homogeneously dispersed in the ceramic matrix. The ceramic nanocomposite powders of the invention can prevent property deterioration due to agglomeration of carbon nanotubes.
US 7692255 Electrode layer for capacitors, method of manufacturing the electrode layer
Disclosed herein are an electrode layer for capacitors, a method of manufacturing the electrode layer, a unit sensor using the electrode layer, and a tactile sensor using the unit sensor. The electrode layer comprises a polymer substrate, an electrode formed on the polymer substrate, and a signal transmission line formed on the polymer substrate…
Disclosed herein is a method of manufacturing a thin film transistor including titanium oxides as an active layer and the structure of the thin film transistor film manufactured using the method. The thin film transistor includes: a substrate; an active layer formed on the substrate using polycrystalline or amorphous titanium oxides; and an…
US 7729587 Method of producing planar multimode optical waveguide using direct photopatterning
Disclosed is a method of producing a planar multimode optical waveguide by direct photo-patterning and, more particularly, to an optical waveguide material and a method of producing the same. It is possible to control the refractive index of the optical waveguide, and the optical waveguide has a desirable refractive index distribution throughout…
Disclosed herein is a flexible film optical waveguide, which is in flexible film form and includes upper and lower cladding layers, each of which is formed of an organic-inorganic hybrid material, and a core layer provided between the upper and lower cladding layers and formed of an organic-inorganic hybrid material having a refractive index…
US 7088168 Direct conversion receiver using vertical bipolar junction transistor
This invention is about the direct conversion receiver. It is excellent the receiving sensitivity that DC off-set, matching characteristics of the relationship of I/Q circuits and noise characteristics are improved. In order to achieve this purpose, the direct conversion receiver uses vertical bipolar junction transistor available in standard…
Disclosed is a method for preparation of a liquid crystal film having uniaxial alignment, comprising steps of: elevating temperature of a substrate coated with a nanostructure formed of liquid crystal molecules to a value sufficient to alter the nanostructure into a liquid phase; and decreasing the temperature to another value sufficient to…
The present invention relates to integrated thin film solar cells, and more particularly, to integrated thin film solar cells, which minimize the loss of integrated solar cells caused at the time of a manufacturing process and become available at a low cost process, and a method of manufacturing thereof, a processing method of a transparent…
US 6692650 Variable viscosity fluids via application of magnetic fields
The present invention provides a magnetorheological fluid in which magnetic particles coated with a hydrophilic surfactant are dispersed in a water in oil emulsion, and a process for preparing the same. The magnetorheological fluid of the present invention is prepared by adding water to oil dissolved with emulsifier, stirring it to give a mobile…
When InP DHBTs are located in parallel to a crystallographical direction of <011>, there are several advantages in the aspect of device property such as reliability. But, in case of a direction parallel to a general <011>, there exists the limitation in reducing base-collector parasitic capacitance only by collector over-etching technique…
US 7936994 Broadband light source using fabry perot laser diodes
Disclosed is a broadband light source (BLS) necessary to implement wavelength-locked Fabry-Perot (FP) laser diodes (LDs) applicable to an optical subscriber network The BLS is based on a method using mutual injection of low-cost FP LDs and a method using FP LDs undergoing chirping. A power level of a light emitting diodes (LED), an erbium-doped…
US 7983066 Passive Matrix-addressable Memory Apparatus
Disclosed is a passive matrix-addressable memory apparatus. The passive matrix-addressable memory apparatus comprises: a plurality of first electrode lines horizontally arranged with respect to each other; a plurality of second electrode lines disposed orthogonal to the plurality of first electrode lines to be horizontally arranged with respect to…
US 7944130 Multi-cantilever MEMS sensor, manufacturing method thereof, sound source
Disclosed herein is a multi-cantilever MEMS sensor functioning as a mechanical sensor having a plurality of cantilevers, replacing a conventional DSP based sound source localization algorithm and reducing production cost when the MEMES sensor applied to mass-produced robots, a manufacturing method thereof, a sound source localization apparatus…
US 7868548 Plasma display panel and low temperature fabrication method thereof
Disclosed is a plasma display panel fabricated by low temperature process at not more than 300° C. More particularly, the present invention provides a plasma display panel comprising at least one of a dielectric layer in an upper plate, another dielectric layer and barrier ribs in a lower plate, and a sealing material for the upper and lower…
The present invention relates to a Field-Effect Transistor (FET) and, more particularly, to a Dielectric-Modulated Field-Effect Transistor (DMFET) and a method of fabricating the same.
US 7952602 Wide field diode-laser marker with swinging projection-optics
Apparatus for laser-marking on tape includes a laser arranged to emit a modulated beam of laser-radiation. Projection-optics are arranged to focus a beam to a spot on the tape. The tape is driven under the focal spot for scanning the beam in the length direction of the tape. The projection-optics are rotated reciprocally to scan the focal spot…
A method of fabricating a polymer or resist pattern over a substrate includes coating a photosensitive polymer or resist over the substrate to form a polymer or resist layer, determining a portion of the polymer or resist layer to be exposed to light, placing a light adjusting layer in an optical path of light shone on the polymer or resist layer,…
US 6548011 Fabrication of alumina-based ceramics
A method of manufacturing an alumina-based ceramic includes sintering a powder compact of an iron-containing alumina powder in an atmosphere (N2, 95 N2-5 H2, H2) of a relatively low oxygen partial pressure, and annealing in an atmosphere (80 N2-20 O2, O2) higher in oxygen partial pressure than the sintering atmosphere to provide an alumina-based…
US 8958134 Image array with localized light source
Embodiments of the present invention provide lighting for an image array. Specifically, embodiments of the present invention provide a system and method for providing localized lighting for an image array. In a typical embodiment, a set of pixels being scanned in the image array is identified. A subset of light sources within an array of light…
US 6086820 Method for producing electrodes for Ni/metal hydride alloy secondary cells
A method for producing an electrode of Ni/metal hydride alloy secondary cells. The electrode may be produced by mixing an active material with approximately 10-50 wt % of Cu powders, which can serve as a binder as well as a current collector, and cold-pressing the mixture at a pressure of 10 ton/cm. As the Cu-compacted electrode continues to…
US 6238597 Preparation method of anisotropic conductive adhesive for flip chip
Disclosed is a method of preparing anisotropic conductive adhesives for flip chip interconnection on organic substrates, in which an epoxy resin as a binder is mixed with a conductive material and a non-conductive material at room temperature for 3 hours and then, with a coupling agent and a curing agent at room temperature for 1 hour.…
US 6437360 Vacuum Field Transistor
Disclosed are flat/vertical type vacuum field transistor (VFT) structures, which adopt a MOSFET-like flat or vertical structure so as to increase the degree of integration and can be operated at low operation voltages at high speeds. The flat type comprises a source and a drain, made of conductors, which stand at a predetermined distance apart on…
US 6461984 Semiconductor device using N2O plasma oxide and a method of fabricating the same
The present invention provides a highly reliable polycrystal silicon thin film transistor with N2O plasma oxide having an excellent leakage current characteristics comparable to the thermal oxide film formed on the crystalline silicon.
US 6372594 Fabrication method of submicron gate using anisotropic etching
Disclosed is a method for fabricating a self-aligned submicron gate electrode using an anisotropic etching process. The method involves the steps of laminating a dummy emitter defining a dummy emitter region over a heterojunction bipolar transistor structure including layers sequentially formed over a semiconductor substrate to define a base…
US 6440288 Method for preparing anode electrode for high voltage electrolytic capacitor
Disclosed is a method for forming an aluminum oxide film of a large surface area on an electrode for a high voltage electrolytic capacitor. In accordance with the method, an oxide film of a uniform thickness is formed, prior to a process of etching the oxide film. A re-anodization is then partially conducted for an etched portion of the oxide…
US 6749895 Polymer for Preparing Liquid Crystal Alignment Layer
The present invention provides a polymer in which coumarin, a photo-reactive molecule, is grafted onto a polyimide for preparing liquid crystal alignment layer which has a superior alignment property and an excellent thermal stability in photo-alignment, a process for preparing the said grafted polymer, a process for preparing liquid crystal…
US 6731362 Polymer Blend for Preparing Liquid Crystal Alignment Layer
The present invention relates to a polymer blend of cinnamate polymer and polyimide polymer, which are photo-reactive polymers, for preparing liquid crystal alignment layer having a high pretilt angle in photo-alignment, a process for preparing liquid crystal alignment layer by employing the said blend, a liquid crystal alignment layer prepared by…
US 6927997 3-transistor OTP ROM using CMOS gate oxide antifuse
The present invention relates to an OTP ROM using a CMOS gate oxide antifuse. According to an embodiment of the present invention, in an OTP ROM cell having a first input terminal, a second input terminal and a third input terminal, wherein the OTP ROM stores data by means of a voltage applied to the first to third input terminals, the OTP ROM…
US 6878435 High Adhesion Triple Layered Anisotropic Conductive Adhesive Film
Disclosed is a triple layered ACA film adapted for enhancing the adhesion strength of a typical single layer Anisotropic Conductive Film or for enhancing the adhesion strength of the ACA film in flip chip bonding. The triple layered ACA film of the invention comprises: a main ACA film based upon epoxy resin and containing conductive particles…
US 7081872 Micromirror device using interdigitated cantilevers and applications thereof
Disclosed are a micromirror device made in a simple structure using interdigitated cantilevers and having two stable rotational states, and applications thereof.
US 7217311 Method of producing metal nanocomposite powder reinforced with carbon
The present invention relates to a metal nanocomposite powder reinforced with carbon nanotubes and to a process of producing a metal nanocomposite powder homogeneously reinforced with carbon nanotubes in a metal matrix powder.
US 7298875 Capacitance-type Fingerprint Sensor
A capacitance-type fingerprint sensor. The capacitance-type fingerprint sensor includes a plurality of pixel groups, each of which electrically connects a plurality of sensing electrodes to a plurality of coupling electrodes, respectively; a plurality of first sensing-electrode switches for connecting the sensing electrodes to a voltage source; a…
US 7446384 CMOS Image Sensor Module with Wafers
The present invention relates to an image sensor module and a manufacturing method thereof, especially to a wafer level chip size package (WL-CSP) realized by directly contacting an image sensor chip wafer to a glass wafer on which an IR filter coating layer is deposited, an electrode rearrangement and a dicing process, a miniaturized image sensor…
Disclosed is a CMOS image sensor that controls a reset voltage to reduce reset noise caused by a reset operation of the CMOS image sensor, fixed pattern noise caused by different characteristics of detection circuits, and image lag caused by the influence of a previous image signal upon the current output signal, thereby achieving a high signal to…
US 7544507 Microfluidic chip for high-throughput screening and high-throughput assay
Disclosed is a micro-fluidic chip for high-throughput screening and high-throughput assay, in which its structure is improved, thereby enhancing the efficiency of high-throughput screening and high-throughput assay. The micro-fluidic chip includes a well for isolating a specimen. The well can be arranged in a one- or two-dimension. A…
US 7619674 CMOS Image Sensor with Wide Dynamic Range
The present invention provides a CMOS image sensor for broadening a dynamic range by controlling an integration time for each pixel to thereby obtain a high quality image with a low noise. The CMOS image sensor according to the present invention includes plural pixels, each for storing an integration time of a present frame, and control means for…
US 7571651 Capacitive Pressure Sensor and Method for Fabricating the same
A method for producing a capacitive pressure sensor is comprised steps of: etching front surface and depositing etching stopper on a rear surface of a silicon substrate; depositing an upper electrode on etching stopper; depositing insulating surface on the upper electrode surface; depositing a lower electrode on the insulating surface to form a…
US 7642167 SON MOSFET using a beam structure and method for fabricating thereof
The present invention relates to a SON (Silicon-On-Nothing) MOSFET having a beam structure and an inverter using thereof and the method for fabricating thereof to increase the efficiency and performance of a MOSFET. A method for fabricating the SON MOSFET according to the present invention comprises the steps of (a) patterning a passivation layer…
US 8012902 Partially Deactivated Metal Catalysts and Methods for Preparing the same
Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to…
US 7106974 Low-cost WDM Source with an Incoherent Light Injected Fabry-Perot Laser Diode
The present invention discloses a low-cost light source for optical transmission systems and optical networks based on wavelength-division multiplexing (WDM) technology. A light source in accordance with the present invention is implemented by externally injecting a narrow-band incoherent light into a Fabry-Perot laser diode (F-P LD). After…
US 7924145 Haptic module Using Magnetic Force, Electronic Apparatuses having the Module
A haptic module using a magnetic force and an electronic apparatuses having a magnet arrangement frame arranged so that polarities of adjacent magnets are alternate; shielding screens positioned on uppers of each of frame elements of the magnet arrangement frame and formed in a window arrangement to shield any one polarity of the frame elements;…
US 6528361 Semi-conductor Substrate Fabrication
The present invention relates to a process for preparing a polycrystalline silicon thin film comprising a step of microwave annealing and crystallization of an amorphous thin film of silicon semiconductor, silicon semiconductor added with impurities, IV family semiconductor comprising Si alloy such as Si1xGex, III-V family and II-VI family…
US 6518165 Semi-conductor Fabrication
A method for manufacturing a semiconductor device where a passive element, such as, an inductor, is floating over a substrate, where an integrated circuit is formed, such that the overall area of the semiconductor device may be highly reduced.
US 6545763 Measurement and Verification of Semi-conductor Deposition Patterns
A method and a recording medium for measuring three-dimensional thickness profile and refractive index of transparent dielectric thin-film with some patterns or not, which is fabricated in the semiconductor and related industrial field, using white-light scanning interferometry is provided.
US 6465671 Silane Coupling Agent and Method for Preparing the same
Disclosed herein are a silane coupling agent and a method of preparing the same useful for a composite organic-inorganic material. The silane coupling agent is represented by the formula of R1R2R3SiX, wherein R1, R2, and R3, respectively, represent straight or branched alkyl having 4 to 22 carbon atoms, alkoxy, phenyl, phenyl alkoxy, benzyloxy or…
US 6432151 Preparing Method of Silica Slurry for Wafer Polishing
Disclosed herein is a method of preparing silica slurry for wafer polishing. This method includes pre-treating relatively inexpensive and commercially available fumed or colloidal silica particles as a seed by a settling, a crushing using a ball mill and a paint shaker, and a sonication to produce an aqueous dispersion of the silica particles. The…
US 6358464 Method for Making BaTiO3-based Dielectric
A method for making a BaTiO3-based dielectric having a high dielectric constant and a low dielectric loss wherein, a BaTiO3-based body is subjected to a pre-heat treatment in a hydrogen (H2) atmosphere or a reducing atmosphere containing mixed gas of hydrogen and nitrogen in a ratio of hydrogen:nitrogen5 to 100%:0 to 95% prior to a sintering…
US 6337370 Inorganic-organic copolymer using polyvinylalcohol-silane coupling agent
Disclosed are inorganic-organic copolymers and their preparation using polyvinylalcohol-silane coupling agents. The inorganic-organic copolymers can be prepared through the reaction of silane-coupling agents containing hydroxy groups and silane groups with organic metal compounds. The inorganic-organic copolymers are of high transparency as well…
US 6292355 SrTiO3-based Grain Boundary Barrier Layer Capacitor
Disclosed is an SrTiO.sub.3 -based grain boundary barrier layer capacitor which is superb in dielectric constant and temperature characteristics. It is prepared by infiltrating a liquid-phase oxide mixture into a donor-doped SrTiO.sub.3 matrix to form second-phase dielectric layers at the grain boundaries of the matrix. The liquid-phase oxide…
US 6281761 Temperature-adaptive capacitor block and temperature-compensated crystal
A temperature-adaptive capacitor array used in a TCXO so that the TCXO effectively conducts temperature-compensating in the resonant frequency without the non-monotonicity while a smaller silicon area is used in producing the capacitor array. A number of capacitor arrays allocated in two capacitor banks. Each of the capacitor arrays comprises two…
US 6258508 Polymer using norbornene monomers with derivatives of cholic acid
The present invention relates to a polymer prepared by synthesizing monomer having a derivative of cholic acid, deoxycholic acid or lithocholic acid bonded to norbornene, and then homopolymerizing these monomer, copolymerizing these monomer with maleic anhydride, or copolymerizing these monomer, maleic anhydride and 2-hydroxyethyl…
Organometal-containing acrylate or methacrylate derivatives and photoresists comprising the polymers thereof. Unlike conventional matrix polymers of photoresist, the polymers induce a difference in silicon content between exposed regions and unexposed regions of photoresists by releasing their silicon-containing side chains with the aid of acid in…
US 6110276 Method for making n-type semiconductor diamond by use of CVD
A method for making n-type semiconducting diamond by use of CVD in which n-type impurities are doped simultaneously with the deposition of diamond. As the n-type impurities, an Li compound and a B compound, both, are used at once. After doping, a diamond film thus obtained is etched to peel off its surface. The n-type semiconducting diamond is…
The present invention relates to a carbon fiber-reinforced composite material having a high toughness against delamination, which is prepared by regulating the rate of cure reaction of a thermosetting resin used as a matrix and the rate of dissolving a toughening agent in the matrix to form a morphology gradient depending on a concentration…
US 6147033 Apparatus and Method for Forming a Film on a Tape Substrate
This invention relates to an apparatus and method for forming a high temperature superconducting film on a tape substrate. In this invention, the superconducting film is deposited on the tape substrate wound around a cylindrical substrate holder inserted in an auxiliary chamber. The holder rotates during the whole deposition process. Vapors of…
US 8004124 Vibration generation module capable of generating inertial and impact vibrations
Disclosed herein is a vibration generation module capable of generating inertial and impact vibrations. The vibration generation module includes a magnetic force generation unit, an elastic force provision unit, a permanent magnet, a contactor, and an impact transmission panel. The permanent magnet is configured such that when periodic electrical…
In a method of manufacturing a flexible display substrate having reduced moisture permeability and reduced oxygen permeability, nanosized or microsized particles are uniformly dispersed in a molten polymer matrix. The molten polymer matrix are formed into plate-shaped molten polymer. The plate-shaped molten polymer is extruded between two…
US 7876292 Active matrix OLED driving circuit using current feedback
An active matrix organic light emitting diode AMOLED driving circuit using current feedback that ensures the uniformity of brightness in pixels of a flat panel display and shortens the time required to input accurate current to respective pixels in the driving circuit.
The present invention relates to a method for manufacturing a transition metal-carbon nanotube hybrid material using nitrogen as a medium. The present invention is characterized in that nitrogen-added carbon nanotube is grown in the presence of metal catalyst particles by reacting an hydrocarbon gas with a nitrogen gas by a chemical vapor…
US 8017413 Field emission array having carbon microstructure and method of manufacturing the same
Provided is a method for manufacturing a field emission array with a carbon microstructure. The method includes: a photomask attachment step of attaching a photomask with a pattern groove to one surface of a transparent substrate; a photoresist attachment step of attaching a negative photoresist to one surface of the photomask; an exposure step of…
The present invention discloses a method for preparation of a hybrid comprising magnetite nanoparticles and carbon nitride nanotubes, comprising: preparing carbon nitride nanotubes by plasma chemical vapor deposition (CVD); dissolving the prepared carbon nitride nanotubes in triethyleneglycol to form solution and adding Fe (acetylacetonate)3 to…
Disclosed are a novel hydrogen storage material with enhanced hydrogen storage capacity prepared by doping an organic framework material with light metal cations, and a method of using the same for hydrogen storage. The present inventive material has at least one phenyl group at each face of a triangular building unit, which is doped with metal…
US 7888138 Ferroelectric Thin Film Device and Method of Manufacturing the same
The present invention relates to a method of manufacturing a ferroelectric thin film device, and, more particularly, to a method of manufacturing a ferroelectric thin film device having high crystallinity, good surface roughness and high deposition efficiency through on-axis type sputtering, and to a ferroelectric thin film device manufactured…
US 8119090 Nickel-carbonitride Spheres and Method of Making the same
Disclosed is a method for preparation of a nickel-carbonitride sphere, which includes preparing a melamine-formaldehyde resin, adding a nickel salt and a surfactant to the melamine-formaldehyde resin to prepare a nickel-melamine resin mixture, and conducting spray pyrolysis for the mixture to produce nickel-containing powder including…
US 6956384 Linear Displacement Transducer with Improved Accuracy
The present invention relates to a linear displacement transducer with improved accuracy, in which stable contact is achieved by forming contacts coming into contact with resistors in a elastic linear contact type, rather than a conventional point contact type, using a rotating roller made of a conductive rubber material, and the life span thereof…
US 7292089 Charge Pump Circuit with no Output Voltage Loss
The present invention is for preventing a charge pump from an unnecessary output voltage loss generated by a threshold voltage of a metal-oxide silicon (MOS) transistor. An apparatus for amplifying an inputted voltage includes an amplifying block including at least two pumping units for amplifying the inputted voltage to generate an output…
US 7982870 Surface enhanced raman scattering nano-tagging particle and method for preparing thereof
There is provided a method for manufacturing a surface enhanced Raman scattering nano-tagging particle, the method including the steps of: introducing silver nanoparticles on the surface of a silica core particle; immobilizing tagging materials and silica shell precursors on the silver nanoparticles; and forming a silica shell surrounding the…
A pixel structure using a voltage programming type active matrix organic light emitting diode (OLED) which can minimize a current deterioration phenomenon. The pixel structure includes a fifth TFT receiving an external management signal EMS through its gate, having a drain region connected to a cathode part of an OLED, and receiving an input of an…
Provided are a photonic memory device, a method of storing data using the photonic memory device, and a photonic sensor device. The photonic memory device comprises a signal line through which a photon is input; a ring resonator receiving a photon through an input gap that is adjacent to the signal line and storing the photon; and a detect line…
US 8149187 Organic Light Emitting Display
An organic light emitting display that can minimize degradation of a drive transistor comprising a first switching element whose control electrode is electrically coupled to a scan line, being electrically coupled between a data line and a first voltage line for transmitting a data signal; a drive transistor whose control electrode is electrically…
US 8144514 One-transistor floating-body DRAM cell device with non-volatile function
The 1T floating-body DRAM cell device includes a floating body for storing information of the DRAM cell device, a source and a drain formed on respective sides of the floating body, a gate insulating layer formed on a top of the floating body, a gate electrode formed on a top of the gate insulating layer, a gate stack formed under the floating…
A NAND flash memory array, an operating method and a fabricating method of the same are provided. The NAND flash memory array has a cut-off gate line under a control gate in order to operate two cells having vertical channels independently with one control gate (i.e., a shared word line). The memory cell area is reduced considerably compared to…
A resistance memory element, a phase change memory element, a resistance random access memory device, an information reading method thereof, a phase change random access memory device, and an information reading method thereof are provided. The resistance random access memory device includes an array of resistance memory element arranged in a…
US 6635571 Process for Forming Aluminum or Aluminum Oxide Thin Film on Substrates
Disclosed is a process for depositing an aluminum oxide thin film necessary for semiconductor devices. The process includes the steps of: subjecting a gaseous organoaluminum compound as an aluminum source in contact with a target substrate and depositing aluminum using plasma. The steps are sequentially repeated to form an aluminum thin film, and…
US 6855481 Apparatus and a method for forming a pattern using a crystal structure of material
The present invention relates generally to an apparatus and a method for forming a pattern, and in particular, to an apparatus and a method for forming a pattern for the formation of quantum dots or wires with 1.about.50 nm dimension using the atomic array of a crystalline material and to the manufacture of functional devices that have such a…
US 6767771 Method for Forming a Pattern and a Semiconductor Device
The present invention relates generally to a method for forming a pattern, and in particular, to a method for forming a pattern for the formation of quantum dots or wires with 150 nm dimension using the atomic array of a single or poly crystalline material. The electron beam lithography method preferably uses the phase contrast atomic image of a…
The present invention relates to a method for fabricating semiconductor device with negative differential conductance or transconductance. According to the present invention, a fabrication process thereof can be simplified by using an SOI (Silicon-On-Insulator) substrate, and a tunneling device exhibiting the negative differential conductance or…
Provided are a low-temperature formation method for emitter tips including copper oxide nanowires or copper nanowires and a display device or a light source manufactured using the same. The low-temperature formation method includes preparing a substrate having an exposed copper surface. The copper surface contacts an oxide solution at a low…
US 7964483 Growth Method for Nitride Semiconductor Epitaxial Layers
The present invention relates to a method for growing a nitride semiconductor epitaxial layer, which comprises the steps of growing a second nitride semiconductor epitaxial layer on a first nitride semiconductor epitaxial layer at a first temperature, growing a third nitride semiconductor epitaxial layer on the second nitride semiconductor…
Growing a first nitride semiconductor layer on an Al.sub.xGa.sub.yIn.sub.1-x-yN(0.ltoreq.x.ltoreq.1,…
US 7005700 Double-gate Flash Memory Device
The conventional flash memory device is fabricated by the MOS processing technology on a bulk substrate and has a similar configuration to an MOS device. While the conventional CMOS device has a superior scaling down characteristic, the scaling down characteristic of a flash memory device is poor due to the inability to reduce the thickness below…
US 7375428 Flip-chip Bonding Structure using Multi chip Module-deposited Substrate
Flip-chip bonding structures using an MCM-D substrate are disclosed. A flip-chip bonding structure using an MCM-D substrate includes: a silicon substrate, a Si-bump disposed at a predetermined position of the silicon substrate, wherein a material of the Si-bump is the same as the silicon substrate, a dielectric layer disposed on the silicon…
A solvent-free polymer electrolyte and a secondary battery employing the electrolyte are provided. The electrolyte includes: a porous film, including a first polymer and a second oligomer, the first polymer being at least one selected from the group consisting of poly (vinylidene fluoride-co-hexafluoropropylene) copolymers,…
A flat light source structure includes an upper substrate made of a light transmitting material; a lower substrate separated from the upper substrate by a distance; a barrier rib for maintaining the distance, thereby defining a discharge space filled with a discharge gas; a phosphor coated on at least one of the inner surfaces of the upper…
US 7968935 Reconfigurable Semiconductor Device
A reconfigurable semiconductor device is disclosed. The semiconductor device includes a substrate, a first insulating material formed on the substrate, two channels having different polarities, a plurality of terminal electrodes formed on the insulating material and coupled in common with the channels at their opposite ends, a second insulating…
Disclosed is a method for fabricating a high-performance field-effect transistor biosensor for diagnosing cancers using micro conductive polymer nanomaterials funtionalized with anti-VEGF aptamer. Disclosed is a high-sensitivity field-effect transistor biosensor for diagnosing cancers using a micro conductive polymer nanomaterial transistor array…
The present invention discloses dielectric ceramic compositions having dielectric properties suitable for high frequency bands, such as microwave and millimetric wave, and a method for manufacturing multilayered components, such as chip LC filters, chip duplexers, and dielectric filters for PCS, using the dielectric ceramic compositions. The…
US 6528445 Dielectric Ceramic Composition and Method for Manufacturing the same
Disclosed is a dielectric ceramic composition suitable for use in planar or multilayer type electronic parts containing inner conductors, for the fabrication of which simultaneously sintering base materials and conductors is required. This ceramic composition is composed of (1-x)Ba.sub.3 Ti.sub.4 Nb.sub.4 O.sub.21 -(x)Ba(or Sr)Nb.sub.2 O.sub.6…
US 6316376 Dielectric Ceramic Compositions and Method of Preparation therefor
A dielectric ceramic composition comprising 3BaO.5TiO.sub.2.3Nb.sub.2 O.sub.5 (Ba.sub.3 Ti.sub.5 Nb.sub.6 O.sub.28) as a main component and at least one selected from, as a minor component, (b-1) sintering auxiliary selected from the group consisting of a boron-containing glass compound, CuO, ZnO or mixtures thereof, or (b-2) additives selected…
US 8110170 Conductive Polymer-carbon Nanotube Composite and Manufacturing Method thereof
Provided are a conductive polymer-carbon nanotube composite including a carbon nanotube and a conductive polymer filled therein, and a method of manufacturing the same. The conductive polymer-carbon nanotube composite where a conductive polymer is filled in a carbon nanotube is manufactured by introducing a monomer of the conductive polymer into…
The present invention provides norbornene-based copolymers for which one monomer is at least selected from a group consisting of norbornene and dicyclopentadiene, and the other from norbornene-based comonomers of Formula 1 shown below: ##STR00001## In Formula 1, R.sub.1, R.sub.2 and a are defined in this specification. The present invention…
US 7811545 Process for Large-scale Production of Monodisperse Nanoparticles
The present invention is directed to a process for making nanoparticles of metals, metal alloys, metal oxides and multi-metallic oxides, which comprises the steps of reacting a metal salt dissolved in water with an alkali metal salt of C.sub.4-25 carboxylic acid dissolved in a first solvent selected from the group consisting of C.sub.5-10…
Provided is a method of forming a nanostructure having a nano-sized diameter and a high aspect ratio through a simple and economical process. To form the nanostructure, a polymer thin film is formed on a substrate and a mold is brought to contact the polymer thin film. Then, a polymer patterning is formed to contact the background surface of an…
Disclosed are a solid-solution powder, a method for preparing the solid-solution powder, a cermet powder including the solid-solution powder, a method for preparing the cermet powder, a cermet using the cermet powder and a method to prepare the cermet. According to the present invention, the problem of low toughness due to high hardness that…
Disclosed herein is a phosphate-based dielectric ceramic composition which has a low dielectric constant and a low dielectric loss in the high-frequency bands such as microwave and millimeter wave. The composition is represented by the following formula: (1-x)(A’.sub.1-yA”.sub.y)O-xP.sub.2O.sub.5 wherein x and y are numbers satisfying the…
Disclosed herein are a self-foamed porous ceramic composition and a method for making a porous ceramic using the self-foamed porous ceramic composition. The self-foamed porous ceramic is obtained by fabricating a glass consisting of 41.about.47 mole % of calcium oxide (CaO), 41.about.47 mole % of silica (SiO.sub.2) and 6.about.18 mole % of borate…
The present invention discloses dielectric ceramic compositions having dielectric properties suitable for high frequency bands, such as microwave and millimetric wave, and a method for manufacturing multilayered components, such as chip LC filters, chip duplexers, and dielectric filters for PCS, using the dielectric ceramic compositions. The…
US 6528445 Dielectric Ceramic Composition and Method for Manufacturing the same
Disclosed is a dielectric ceramic composition suitable for use in planar or multilayer type electronic parts containing inner conductors, for the fabrication of which simultaneously sintering base materials and conductors is required. This ceramic composition is composed of (1-x)Ba.sub.3 Ti.sub.4 Nb.sub.4 O.sub.21 -(x)Ba(or Sr)Nb.sub.2 O.sub.6…
US 6316376 Dielectric Ceramic Compositions and Method of Preparation therefor
A dielectric ceramic composition comprising 3BaO.5TiO.sub.2.3Nb.sub.2 O.sub.5 (Ba.sub.3 Ti.sub.5 Nb.sub.6 O.sub.28) as a main component and at least one selected from, as a minor component, (b-1) sintering auxiliary selected from the group consisting of a boron-containing glass compound, CuO, ZnO or mixtures thereof, or (b-2) additives selected…
US 6363754 MCVD Method and Apparatus Using an Elongated Gas Feeding Device
An apparatus for manufacturing optical fibers includes an external circular tube into which reactant gases are introduced from an entrance at one end thereof. An internal circular tube is inserted into the external circular tube through an exit at the other end of the external circular tube. The internal circular tube has a bore to which gas jets…
Disclosed are a solid-solution powder, a method for preparing the solid-solution powder, a cermet powder including the solid-solution powder, a method for preparing the cermet powder, a cermet using the cermet powder and a method to prepare the cermet. According to the present invention, the problem of low toughness due to high hardness that…
US 8597718 Calcium phosphate ultrathin films and a method for preparing them
An ultrathin film of calcium phosphate crystals having a thickness of 200 nm or less on a surface of a solid substrate, and a method for preparing the same are disclosed. Further, an amorphous dendritic extension used as an intermediate material in preparation of the ultrathin film of calcium phosphate and a method for forming the same are…
US 7887736 Superhydrophobic Polymer Fabrication
A superhydrophobic polymer fabrication is provided. According to one method for preparing a superhydrophobic polymer fabrication, the superhydrophobic polymer fabrication can be fabricated quickly and easily, and the superhydrophobic surface can be repeatedly imprinted using a template, so that mass production of the superhydrophobic polymer…
US 8216638 Arranging Material On a Substrate
Techniques for arranging materials on a substrate are provided. In one embodiment, a system may comprise a driver for providing a rotational force, an outer body having an inner surface, and an inner body having an outer surface and disposed within the outer body in a concentric relationship therewith. The inner body may be coupled to the driver…
Disclosed herein is a light-responsive photocatalyst composition, which is a composite oxide semiconductor containing tungsten, and which can efficiently absorb visible light emitted from the sun and light emitted from interior lamps, such as fluorescent lamps, etc., and a method of preparing the light-responsive photocatalyst composition. The…
Disclosed is black phosphorus or black phosphorus-carbon composite, which is very suitable for an anode material of lithium rechargeable battery. The black phosphorus or black phosphorus-carbon composite is prepared by using high energy ball-milling, which is easy and efficient way in transforming amorphous red phosphorus into orthorhombic black…
The present invention relates to forming the material represented by the following formula (1) into a layer having hexagonal crystalline structure, which is different from the orthorhombic crystalline structure of the material in bulk phase, so that the material can be used more effectively in various fields requiring multiferroic properties by…
US 7579050 Method for Focusing Patterning Nano-sized Structure
A nano-structure can be focus-patterned while minimizing the generation of a noise pattern by the inventive method which comprises the steps of: (i) mounting a plate having a nano-scale pattern formed thereon by a patterned photoresist layer on an electrode placed in an externally grounded reactor and applying a voltage to the electrode; (ii)…
A synthetic method of fabricating highly crystalline and monodisperse nanoparticles of metals, multi-metallic alloys, monometallic oxides and multi-metallic oxides without a size selection process are disclosed. A typical synthetic method comprises the steps of, synthesis of a metal surfactant complex from the reaction of a metal precursor and a…
Disclosed is a method for producing a transparent and homogenized polymeric sol of a calcium phosphate compound, containing apatite and having excellent wettability and bioactivity, according to a sol-gel synthesis, and a method for coating the polymeric sol on a metal implant, in which the polymeric sol is coated on the metal implant and then…
US 7582310 Biodegradable and Bioactive Glass-ceramics, and Method for Fabricating the same
Disclosed herein is a biodegradable and bioactive glass-ceramic fabricated by mixing a slowly biodegradable glass-ceramic and a highly biodegradable glass-ceramic in a predetermined mixing ratio wherein the bioactivity is maintained to be constant, and the biodegradation rate is controlled by the mixing ratio. The biodegradable and bioactive…
US App 20140212682 Metallic Microstructure and Processing Method thereof
A method for processing metallic structure which melts an re-coagulates a dross repeatedly by laser processing…
A method for manufacturing substrate for alignment of liquid crystal ensuring wide viewing angle and alignment stability…
US App 20120028834 Color-Coded Magnetic Structure
A color-coding method comprising the steps of: providing a composition containing a liquid medium, and magnetic nanoparticles distributed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and radiating a patterned energy source to solidify the composition, wherein the intensity of the magnetic…
A probe capable of acquiring electrochemical and spectroscopic information, comprising: (i) conductive capillary with conductive coating on its inner wall; and (ii) metallic micro-shell of spherical template with a first metallic coating on its surface, trapped in one end of the conductive capillary.
PCT KR2011-003573 Reference Electrode Assembly and a pH Meter using same
A reference electrode assembly for detecting target substance in a sample by electrochemical method, comprising: porous transition metal electrode layer ; and polyelectrolyte channel disposed over the porous transition metal electrode layer.
US App 20120063943 Metal Composite Powder, Sintered Body, and Preparation Method thereof
Composite powders of metals and carbides/ carbonitrides for structural materials with matrix phase metals of W or Mo and accessory phase metals of groups IV to VI in the periodic table, having an average particle size ≤ 1㎛.
Resist for electron beam lithography, comprising copolymer of three compounds (formula 1 to 3) with a large functional group bonded to Si atom and Mn of 500 to 30,000.
Polyester resin with improved elasticity and flexibility prepared by reacting polycarbonate diol after esterification using cyclohexane diol.
PCT KR2010-004201 Electroactive-Polymer Actuator and Method for Manufacturing same
An electroactive polymer actuator capable of continuous 3-dimensional morphing, comprising two or more pairs of surface electrodes on the surface of an ion-exchange polymer material.
PCT KR2011-000483 Electroactive Polymer Actuator, Preparation Method of the same
An electroactive polymer actuator comprising: (i) columnar electroactive polymer laminate; (ii) a plurality of electrode coating layers on a part of surface of the columnar laminate; and (iii) encapsulation coating layer for encapsulating the electrode coating layers.
PCT KR2010-000534 Polymer Actuator, Catheter Containing same, and Preparation Method thereof
A polymer actuator comprising: (i) columnar electroactive polymer laminate; and (ii) a plurality of electrode coating layers on a part of the surface of the columnar laminate.
Preparation of thin film of low molecular-weight (MW) substance with bulk hetero-junction (BHJ) using alternate thermal deposition, comprising: providing first and second low MW substances into separate crucibles; and heating the crucibles while rotating substrate under vacuum to deposit alternately.
A method of forming graphene using an amorphous carbon layer comprising: forming amorphous carbon layer on a substrate; forming graphitizing catalyst layer thereon; and heating to crystallize the amorphous carbon layer, thereby forming graphene layer.
US App 20130213470 Solar Cell and Manufacuring Method thereof
Solar cell comprising: carbon structure layer; micro-structures on the carbon structure layer; and isolation layer for electrical charge comprising isolation-junction portion for electrical charge formed on a surface of the micro-structures.
US App 20130213463 Solar Cell and Manufacuring Method thereof
Solar cell comprising: carbon structure layer; micro-structures on the carbon structure layer; and thin film comprising isolation-junction portion for electrical charge covering the micro-structures.
A Field-emitting nanostructure comprising: conductive substrate; conductive nanostructure arranged thereon; and conductive interface compound formed in the interface between the conductive substrate and the conductive nanostructure.
US 8664641 Nano device integrated on graphene and monocrystalline graphite
Nano device in which one or more vertically grown nanostructures formed on a carbon layer including graphene of single layer and single crystal graphite of two or more layers.
A miniature cilia structure, comprising: a substrate; miniature cilia on the substrate; and vacuum adhering portion on the top end of each miniature cilium including a protrusion to contact an object to be adhered on and a recess for vacuum adhesion.
US App 20120034390 Process for Formation of Hierarchical Microstructure using Partial Curing
Simplified formation of hierarchical microstructure, comprising: forming a first polymer pattern having a partial curing layer; and forming a second polymer pattern thereon using said partial curing layer.
US App 20110271497 Dry-attachment Fastening System and a Method of Use for the same
A dry-attachment interlocking system, comprising: a first attachment member having a first micro-cilia (120) formed on a first substrate; and a second attachment member having a second micro-cilia formed on a second substrate.
US App 20130133484 Method for the Mass Production of Silver Nanoparticles having a Uniform Size
A method for mass production of silver nanoparticles having a uniform size, comprising: heating mixture of silver precursors andsurfactants in inert atmosphere to produce silver nanoparticles, and isolating the silver nanoparticles.
US 8889234 Method of generating structural color
A structural color printing method, comprising: forming composition layer comprising magnetic nanoparticles and curing material on a first substrate; applying magnetic field to express structural color; and curing to form structural color printing layer.
US 8889234 Method for forming a Microsphere Having a Structural Color
Forming a microsphere having a structural color, comprising: providing composition including magnetic nanoparticles dispersed in curing material; emulsifying with solvent; applying magnetic field; and curing.
T2 MRI contrast agent for cell contrast, comprising magnetic nanoparticles with ferrimagnetism at room temperature.
Organic/inorganic star-shaped composite polymer with improved mobility of polymer chain due to higher density of polymer chain in outer part than in inner part
PCT KR2010-005725 Preparation Method of metal oxide-carbon Nanocomposite
Preparation of metal oxide-carbon nanocomposite, comprising: heating mixture of nanoparticles and carbon precursors under reduced pressure to form organic coating layer; and heating to form metal oxide nanoparticles encompassed by a carbon substrate.
An amorphous anode active material, comprising at least one of amorphous metal oxide (or phosphate) with improved storage space of lithium, sodium, etc. and improved diffusion velocity of ions.
US App 20130105581 Method for Magnetically Controlling a Magnetic Structure
A method for magnetically controlling a magnetic structure. Using the prevent invention, various magnetic structures can be made with various magnetic axis and improve time and price for manufacture.
US 8887563 Transducer and Method for Manufacturing same
A transducer and a method for manufacturing same in which a first liquid and a second liquid are supplied such that, at theboundary therebetween, a deformation-generating part, including a perforated structure having one or more holes therein, in formed, and the effect of external pressure is negated by the action between the liquids.
PCT KR2009-002941 Micro Calorimeter Device with Improved Accuracy
A micro calorimeter device with improved accuracy having a new design based on a silicon nitride thin platform implemented with a Nano Electro-Mechanical System(NEMS) processing technology.
The present invention provides compound tunneling field effect transistors integrated on a silicon substrate and methods for fabricating the same for simultaneously forming peripheral circuit in optical device fabrication process on a silicon substrate, wherein the method shifts easily the threshold voltage of each device.
US 8878231 Light-Emitting Device and Production Method Therefor
A light-emitting device, which is producted using nano structures formed in a direction perpendicular to the planar surface of a basic plate.
PCT KR2011-000765 Bottom-up Processing of a Structure Using an Adhesion System Having Fine Ciliary
A method and apparatus for bottom-up processing of a structure using an adhesion system having fine ciliary, which enable the structure to be significantly conveniently attached/detached, and which support the structure in a stable and firm manner.
A composite film to be used in a LED device comprising a light-emitting element and the composite film comprising phosphor and an optical plate achieves improving yield rate.
A method for coating light-emitting devices, appling uniformly phosphor on the surface of the light-emitting device.
PCT KR2009-005996 III-Nitride Surface Grating Reflector
A III-nitride surface grating reflector, among the lights incident from the inside of the III-nitride layer, lights cause destructive interference whereby the incident lights are reflected on a surface of the structure of the grating pattern.
US 8936828 Method of Fabricating a Substrate Where Patterns are Formed
A method of fabricating a substrate where patterns are formed, a plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching.
US 8691334 Method of Fabricating a Substrate Where Patterns are Formed
A method of fabricating a substrate where patterns are formed, a plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching.
US App 20130187127 Light-Emitting Element and Method for Manufacturing Same
A light-emitting element, which is formed using a fine structure grown toward the upper side of a graphene, wherein a thin film layer is formed between the fine structure and the light-emitting element.
US 8916850 Light-Emitting Element and Method for Manufacturing Same
A light-emitting element, which is formed using a fine structure grown toward the upper side of a graphene…
Conductive carbon nanotubes (CNTs) obtained by dotting carboxylated CNTs with metal nanocrystals by chemical functional groups, are described, as well as a method for fabricating a pattern or film of the conductive CNTs which involves repeatedly depositing conductive CNTs on a substrate to achieve high surface density.
The invention relates to methods for fabricating ceramic nanocomposite powders, comprising a ceramic matrix and carbon nanotubes homogeneously dispersed in the ceramic matrix. The ceramic nanocomposite powders of the invention can prevent property deterioration due to agglomeration of carbon nanotubes.
US 7744947 Method of forming carbon nanotube on semiconductor substrate, method of
A method of fabricating a semiconductor device by filling carbon nanotubes in a recess is disclosed. The method of fabricating the semiconductor device comprises patterning a mold on a substrate, coating carbon nanotubes on an entire surface of the recess and the mold formed by the patterning, filling the carbon nanotubes coated on the an entire…
The present application provides a C1-xNx nanotube with pores having nano-sized diameter ranging from 5 to 10 Å, where x ranges from 0.001 to 0.2, and a method for controlling the size and quantity of pores in said nanotube by reacting hydrocarbon gas, nitrogen gas, and oxygen gas or hydrogen gas together in the presence of metal catalyst and by…
US 6165842 Method for fabricating a non-volatile memory device using nano-crystal dots
The present invention proposes a method for fabricating a non-volatile memory device using nano-crystals with an increased etching rate and an increased oxidation rate at the grain boundary, which is used in high-speed and low power consumption device.
US 7217311 Method of producing metal nanocomposite powder reinforced with carbon
The present invention relates to a metal nanocomposite powder reinforced with carbon nanotubes and to a process of producing a metal nanocomposite powder homogeneously reinforced with carbon nanotubes in a metal matrix powder.
US 7452432 Apparatus for and method of bonding nano-tip using electrochemical etching
Disclosed herein are an apparatus for and a method of bonding a nano-tip using electrochemical etching, in which a good bonding stability can be provided. The nano-tip bonding apparatus comprises a glass plate having a top surface of a certain desired area. An electrolytic solution having conductivity is placed on the top surface of the glass…
US 8012902 Partially Deactivated Metal Catalysts and Methods for Preparing the same
Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to…
The present invention relates to a method for manufacturing a transition metal-carbon nanotube hybrid material using nitrogen as a medium. The present invention is characterized in that nitrogen-added carbon nanotube is grown in the presence of metal catalyst particles by reacting an hydrocarbon gas with a nitrogen gas by a chemical vapor…
The present invention discloses a method for preparation of a hybrid comprising magnetite nanoparticles and carbon nitride nanotubes, comprising: preparing carbon nitride nanotubes by plasma chemical vapor deposition (CVD); dissolving the prepared carbon nitride nanotubes in triethyleneglycol to form solution and adding Fe (acetylacetonate)3 to…
US 7982870 Surface enhanced raman scattering nano-tagging particle and method for preparing thereof
There is provided a method for manufacturing a surface enhanced Raman scattering nano-tagging particle, the method including the steps of: introducing silver nanoparticles on the surface of a silica core particle; immobilizing tagging materials and silica shell precursors on the silver nanoparticles; and forming a silica shell surrounding the…
US 8018582 Simultaneous Detection Apparatus of Raman and Light Scattering
Provided is a detection apparatus of Raman scattering and light scattering, and more particularly, a simultaneous detection apparatus of Raman scattering and dynamic light scattering and a detection method using the same. The simultaneous detection apparatus of Raman scattering and light scattering includes: a detection unit for applying incident…
US 8072226 Nanostructure Sensors
Embodiments feature a sensor including a nanostructure and methods for manufacturing the same. In some embodiments, a sensor includes a substrate, a first electrode disposed on the substrate, and a second electrode disposed on the substrate. The second electrode is spaced apart from the first electrode and surrounding the first electrode. The…
US 7917966 Aligned Nanostructures on a Tip
Techniques for fabricating carbon nanotubes aligned on a tip are provided. In one embodiment, a method for fabricating carbon nanotubes aligned on a tip includes forming nanostructures on the tip, and aligning the nanostructures on the tip using a fluid flowing on the tip.
US 7814565 Nanostructure on a Probe Tip
Techniques for forming a nanostructure on a probe tip are provided.
US 6770497 Field Emission Emitter
The present invention relates to a field emitter array used in various devices including a nanotube-based display and a microwave-amplifying device.
US 8021640 Manufacturing Carbon Nanotube Paper
Techniques and apparatuses for making carbon nanotube (CNT) papers are provided. In one embodiment, a method for making a CNT paper may include disposing a structure having an edge portion including a relatively sharp edge into a CNT colloidal solution and withdrawing the structure from the CNT colloidal solution.
US 8157986 Magnetic Nanoparticle Complex
A magnetic nanoparticle complex includes a magnetic nanoparticle; and a ligand associated with the magnetic nanoparticle, the ligand including a functional group capable of combining with an acid component or a conjugate base of the acid component, in an oil. A method for preparing a magnetic nanopartide complex, includes preparing a pre-ligand…
US 8070929 Catalyst Particles on a Tip
Techniques for forming metal catalyst particles on a metal tip, and nanostructures on a metal tip are provided.
US 8137521 Carbon Nanotube Sheet
An apparatus for forming a carbon nanotube sheet is provided. The apparatus includes a bath and a driving unit wherein the bath has a bottom surface and is configured to contain a carbon nanotube colloidal solution. The bottom surface is capable of having an array of capillary tubes. The driving unit is configured to drive at least a part of the…
US 7884152 Manufacturing Method of Organic Modifer-free Exfoliated Nano Clay-polymer Composite
The present invention relates to a manufacturing method of organic modifier-free exfoliated nano clay-polymer composite. The manufacturing method of organic modifier-free exfoliated nano clay-polymer composite includes (S1) dispersing layered clay nanoparticles and dissolving a thermoplastic polymer in an acidic solvent; (S2) adding the product of…
US 8110170 Conductive Polymer-carbon Nanotube Composite and Manufacturing Method thereof
Provided are a conductive polymer-carbon nanotube composite including a carbon nanotube and a conductive polymer filled therein, and a method of manufacturing the same. The conductive polymer-carbon nanotube composite where a conductive polymer is filled in a carbon nanotube is manufactured by introducing a monomer of the conductive polymer into…
US 7811545 Process for Large-scale Production of Monodisperse Nanoparticles
The present invention is directed to a process for making nanoparticles of metals, metal alloys, metal oxides and multi-metallic oxides, which comprises the steps of reacting a metal salt dissolved in water with an alkali metal salt of C.sub.4-25 carboxylic acid dissolved in a first solvent selected from the group consisting of C.sub.5-10…
Provided is a method of forming a nanostructure having a nano-sized diameter and a high aspect ratio through a simple and economical process. To form the nanostructure, a polymer thin film is formed on a substrate and a mold is brought to contact the polymer thin film. Then, a polymer patterning is formed to contact the background surface of an…
US 8308930 Manufacturing carbon nanotube ropes
Techniques for manufacturing carbon nanotube (CNT) ropes are provided. In some embodiments, a CNT rope manufacturing method optionally includes preparing a metal tip, preparing a CNT colloid solution, immersing the metal tip into the CNT colloid solution; and withdrawing the metal tip from the CNT colloid solution.
US 8153249 Manufacturing Nanocomposites
Techniques for preparing PNCs are provided. In one embodiment, a polymer extruding device may include a barrel configured to accommodate a composite material, a shaft rotatably disposed in the barrel, and a motor coupled to the shaft and configured to rotate the shaft, thereby moving the composite material. The polymer extruding device may further…
US App 20100047570 Manufacturing Nanocomposites
Techniques for preparing polymer nanocomposites (PNCs) are provided. In one embodiment, a polymer extruding device includes a barrel configured to accommodate a raw material, a shaft disposed in the barrel, a motor coupled to the shaft and configured to rotate the shaft to move the raw material, and a die coupled to the barrel and including one or…
US 8043702 Magnetic Nanoparticles Surface-modified with Dithiocarbamate
A surface-modified, magnetic nanoparticle has one or more multi-dentate ligands bound to a surface of a magnetic nanoparticle. The one or more multi-dentate ligands are bound to the surface of the magnetic nanoparticle through one or more dithiocarbamate groups. The one or more multi-dentate ligands may be a compound of Formula II:…
US 8357346 Enhancing Carbon Nanotube Wire
Techniques for manufacturing an enhanced carbon nanotube (CNT) wire are provided. In one embodiment, an enhanced CNT wire may be manufactured by immersing a metal tip into a CNT colloidal solution, withdrawing the metal tip from the CNT colloidal solution, and then coating the CNT wire with a polymer.
US App 20100047564 Carbon Nanotube Composites
Composites comprising carbon nanotubes are provided. In some embodiments, the composite may include at least one metal/carbon nanotube layer disposed between at least two metal layers, where the metal/carbon nanotube layer includes metal and a plurality of carbon nanotubes distributed in selected regions of the metal. In other embodiments, the…
US 7579050 Method for Focusing Patterning Nano-sized Structure
A nano-structure can be focus-patterned while minimizing the generation of a noise pattern by the inventive method which comprises the steps of: (i) mounting a plate having a nano-scale pattern formed thereon by a patterned photoresist layer on an electrode placed in an externally grounded reactor and applying a voltage to the electrode; (ii)…
US 7211331 Preparation of Nano-sized Organic-Inorganic Composite Material
A nano-sized composite material of a polymer resin and a layered clay composite having improved properties can be prepared by a simple and economic process comprising applying an electric field thereto.
A synthetic method of fabricating highly crystalline and monodisperse nanoparticles of metals, multi-metallic alloys, monometallic oxides and multi-metallic oxides without a size selection process are disclosed. A typical synthetic method comprises the steps of, synthesis of a metal surfactant complex from the reaction of a metal precursor and a…
US App 20120028834 Color-Coded Magnetic Structure
A color-coding method comprising the steps of: providing a composition containing a liquid medium, and magnetic nanoparticles distributed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and radiating a patterned energy source to solidify the composition, wherein the intensity of the magnetic…
A Field-emitting nanostructure comprising: conductive substrate; conductive nanostructure arranged thereon; and conductive interface compound formed in the interface between the conductive substrate and the conductive nanostructure.
US 8664641 Nano device integrated on graphene and monocrystalline graphite
Nano device in which one or more vertically grown nanostructures formed on a carbon layer including graphene of single layer and single crystal graphite of two or more layers.
US App 20110271497 Dry-attachment Fastening System and a Method of Use for the same
A dry-attachment interlocking system, comprising: a first attachment member having a first micro-cilia (120) formed on a first substrate; and a second attachment member having a second micro-cilia formed on a second substrate.
US App 20130133484 Method for the Mass Production of Silver Nanoparticles having a Uniform Size
A method for mass production of silver nanoparticles having a uniform size, comprising: heating mixture of silver precursors andsurfactants in inert atmosphere to produce silver nanoparticles, and isolating the silver nanoparticles.
US 8889234 Method of generating structural color
A structural color printing method, comprising: forming composition layer comprising magnetic nanoparticles and curing material on a first substrate; applying magnetic field to express structural color; and curing to form structural color printing layer.
T2 MRI contrast agent for cell contrast, comprising magnetic nanoparticles with ferrimagnetism at room temperature.
PCT KR2010-005725 Preparation Method of metal oxide-carbon Nanocomposite
Preparation of metal oxide-carbon nanocomposite, comprising: heating mixture of nanoparticles and carbon precursors under reduced pressure to form organic coating layer; and heating to form metal oxide nanoparticles encompassed by a carbon substrate.
PCT KR2009-002941 Micro Calorimeter Device with Improved Accuracy
A micro calorimeter device with improved accuracy having a new design based on a silicon nitride thin platform implemented with a Nano Electro-Mechanical System(NEMS) processing technology.
US 20120319225 A1 Dynamically configurable photovoltaic cell array
Embodiments of the present invention relate to photovoltaic cells. Specifically, the present invention relates to photovoltaic (PV) cells configurable for energy conversion and imaging. In a typical embodiment, each photovoltaic cell (PV) in the photovoltaic array is divided into a pixel-based array. Each photovoltaic cell is coupled to a set of…
US 8680523, (CON) US APP 20140291678 Sensor for semiconductor degradation monitoring and modeling
Embodiments of the present invention provide a semiconductor sensor reliability system and method. Specifically, the present invention provides in-situ positioning of a reliability sensor (hereinafter sensors) within each functional block, as well as at critical locations, of a semiconductor system. The quantity and location of the sensors are…
US 8935143, (CON) US App 20150112660 Semiconductor Sensor Reliability
Embodiments of the present invention provide a semiconductor sensor reliability system and method. Specifically, the present invention provides in-situ positioning of a reliability sensor (hereinafter sensors) within each functional block, as well as at critical locations, of a semiconductor system. The quantity and location of the sensors are…
US 7605792 Driving method and circuit for automatic voltage output of active matrix
Disclosed herein is a driving method and circuit for the automatic voltage output of an active matrix organic light emitting device, which is capable of resolving the non-uniformity of brightness between pixels.
US 7592865 Power amplifier using power combiner
Disclosed herein is a power amplifier using a power combiner, which is capable of minimizing power loss and improving efficiency of the power amplifier with a large output power, by combining powers generated by a plurality of power amplifiers used in a wireless communication system using a transmission line transformer.
US 7636654 Differential amplifier and method for generating computer simulation model thereof
A differential amplifier and a method for generating a computer simulation model thereof are disclosed. The device is thermally stable through adoption of a ballast resistor to a differential structure of a unit transistor pair, such that the differential amplifier prevents heat effect phenomena, such as performance deterioration and device…
Disclosed herein is a signal level conversion circuit for increasing the dynamic range of an Analog-to-Digital Converter (ADC). A comparison and calculation unit compares the value of an input signal Vin and the value of a first reference signal Vref1 and compares the value of the input signal Vin and the value of a second reference signal Vref2,…
US 7692255 Electrode layer for capacitors, method of manufacturing the electrode layer
Disclosed herein are an electrode layer for capacitors, a method of manufacturing the electrode layer, a unit sensor using the electrode layer, and a tactile sensor using the unit sensor. The electrode layer comprises a polymer substrate, an electrode formed on the polymer substrate, and a signal transmission line formed on the polymer substrate…
Disclosed herein is a method of manufacturing a thin film transistor including titanium oxides as an active layer and the structure of the thin film transistor film manufactured using the method. The thin film transistor includes: a substrate; an active layer formed on the substrate using polycrystalline or amorphous titanium oxides; and an…
US 7729587 Method of producing planar multimode optical waveguide using direct photopatterning
Disclosed is a method of producing a planar multimode optical waveguide by direct photo-patterning and, more particularly, to an optical waveguide material and a method of producing the same. It is possible to control the refractive index of the optical waveguide, and the optical waveguide has a desirable refractive index distribution throughout…
US 7750742 Enhanced all digital phase-locked loop and oscillation signal generation
An All Digital PLL (ADPLL) and oscillation signal generation method using the ADPLL is provided for generating a spur-free oscillation signal by improving the frequency resolution of the ADPLL.
US 7339511 Time division sampling digital to analog converter for driving flat panel
Disclosed herein are a time division sampling digital to analog converter for a flat panel display, a method of implementing the digital to analog converter, and a data driver circuit using the digital to analog converter. The time division sampling digital to analog converter includes a timing signal generation means for generating timing…
US 7088168 Direct conversion receiver using vertical bipolar junction transistor
This invention is about the direct conversion receiver. It is excellent the receiving sensitivity that DC off-set, matching characteristics of the relationship of I/Q circuits and noise characteristics are improved. In order to achieve this purpose, the direct conversion receiver uses vertical bipolar junction transistor available in standard…
US 7983066 Passive Matrix-addressable Memory Apparatus
Disclosed is a passive matrix-addressable memory apparatus. The passive matrix-addressable memory apparatus comprises: a plurality of first electrode lines horizontally arranged with respect to each other; a plurality of second electrode lines disposed orthogonal to the plurality of first electrode lines to be horizontally arranged with respect to…
US 7944130 Multi-cantilever MEMS sensor, manufacturing method thereof, sound source
Disclosed herein is a multi-cantilever MEMS sensor functioning as a mechanical sensor having a plurality of cantilevers, replacing a conventional DSP based sound source localization algorithm and reducing production cost when the MEMES sensor applied to mass-produced robots, a manufacturing method thereof, a sound source localization apparatus…
The present invention relates to a Field-Effect Transistor (FET) and, more particularly, to a Dielectric-Modulated Field-Effect Transistor (DMFET) and a method of fabricating the same.
A method of fabricating a polymer or resist pattern over a substrate includes coating a photosensitive polymer or resist over the substrate to form a polymer or resist layer, determining a portion of the polymer or resist layer to be exposed to light, placing a light adjusting layer in an optical path of light shone on the polymer or resist layer,…
US 6716738 Fabricating flip chip interconnections via electroplating
Disclosed is a fabrication method of UBM for flip chip interconnections of a semiconductor device, consisting of dipping a patterned wafer into a plating solution containing materials supplying nickel and copper ions, forming a copper layer at a predetermined current density for connection between a chip pad and a solder bump and for residual…
US 6580765 Analog to digital signal converters
An apparatus for recovering symbol timing in a CAP-based high-speed communication system such as an ADSL or VDSL, using a single-sided prefilter pair, in which timing information is obtained by means of the single-sided prefilter pair and a multiplier instead of a squaring unit used in general communication systems, for the recovery of accurate…
US 6661256 Digital Circuit Design
A race logic circuit of the present invention includes: a WTA circuit for receiving an operand logic signal and outputting only a high signal which is the first to arrive among the operand logic signals; plural race lines for inputting the operand logic signal into the WTA circuit; a clock distribution line having plural delay devices connected in…
US 6064590 Non-volatile static random access memory device
A non-volatile static random access memory device configured by adding a floating gate type metal oxide semiconductor device to an SRAM including a pair of access elements respectively switched on and off in accordance with the state of a signal on an address line and adapted to establish a data transfer path between memory cell and associated…
US 6316883 Power-factor correction circuit of electronic ballast for fluorescent lamps
A power-factor correction circuit of an electronic ballast for fluorescent lamps which includes an input full-wave rectification circuit for full-wave rectifying an AC input voltage from an AC input power source, a DC-link capacitor for supplying a DC-link voltage in response to an output voltage from the rectification circuit and a resonant…
US 6437360 Vacuum Field Transistor
Disclosed are flat/vertical type vacuum field transistor (VFT) structures, which adopt a MOSFET-like flat or vertical structure so as to increase the degree of integration and can be operated at low operation voltages at high speeds. The flat type comprises a source and a drain, made of conductors, which stand at a predetermined distance apart on…
US 6372594 Fabrication method of submicron gate using anisotropic etching
Disclosed is a method for fabricating a self-aligned submicron gate electrode using an anisotropic etching process. The method involves the steps of laminating a dummy emitter defining a dummy emitter region over a heterojunction bipolar transistor structure including layers sequentially formed over a semiconductor substrate to define a base…
US 6538263 Polymer electroluminescent device employing emissive ionomer-type polymer
The present invention provides ionomer-type emissive polymer whose heat-stability is improved by the formation of ionic cross-link, and electroluminescent device employing the same as an emissive layer. The ionomer-type emissive polymer is characterized by an ionomeric conformation, which has a backbone in a conjugate, non-conjugate or…
US 6614961 Method of fabricating a fused-type mode-selective directional coupler
A method of fabricating a fused-type directional coupler that can be made in a simple manner. The present invention is characterized in that a pair of optical fibers satisfying a particular phase match condition are previously selected to form a fused-type directional coupler. The two optical fibers are prepared by respectively tapering and…
US 6556085 Low Power Low Noise Amplifier
A low power low noise amplifier achieves a high power gain without increasing power consumption by sharing the bias current. The amplifier is composed of a cascade structure which consists of a parallel connected common source transistor and common gate transistor connected to a common source transistor, an inverter type structure connected to the…
US 6768158 Flash Memory Element and Manufacturing Method thereof
The present invention provides a flash memory element and its manufacturing method having improved overall memory characteristics by constituting a double-gate element for improving the scaling down characteristic of flash memory element. With the above double-gate flash memory structure, a flash memory element in the present invention improves…
US 6727642 Flat Field Emitter Displays
Disclosed are flat panel field emitter displays whose unit cell structure adopt a planar cathode structure in stead of a conventional microtip structure, so as to increase the degree of integration and can be operated at low operation voltages at high speeds. In the structure, a channel insulator is formed below the cathode and underlaid by a…
US 6747625 Digital Driving Circuit for Liquid Crystal Display
A digital driving circuit for a liquid crystal display which sequentially receives and displays n-bit digital video information from a data bus on a bit basis. The digital driving circuit comprises a first data latch for sequentially storing the digital video information from the data bus on a bit basis, a shift register for synchronizing a…
US 6927997 3-transistor OTP ROM using CMOS gate oxide antifuse
The present invention relates to an OTP ROM using a CMOS gate oxide antifuse. According to an embodiment of the present invention, in an OTP ROM cell having a first input terminal, a second input terminal and a third input terminal, wherein the OTP ROM stores data by means of a voltage applied to the first to third input terminals, the OTP ROM…
The present invention discloses an infrared bolometer including a signal bridge used for reading a resistance value varied by infrared heat and removing residual heat of a heat absorbing layer. The infrared bolometer includes a lower substrate having an integrated circuit coated with a protection layer, an upper substrate having an absorbing layer…
US 7298875 Capacitance-type Fingerprint Sensor
A capacitance-type fingerprint sensor. The capacitance-type fingerprint sensor includes a plurality of pixel groups, each of which electrically connects a plurality of sensing electrodes to a plurality of coupling electrodes, respectively; a plurality of first sensing-electrode switches for connecting the sensing electrodes to a voltage source; a…
US 7215656 Transmission and receiving using spreading modulation for spread spectrum
The present invention is related to a method and an apparatus for the orthogonal complex-domain spreading modulation in CDMA spread spectrum communication system when there are channels with statistically higher transmitting power. In CDMA spread spectrum communication systems with a transmitter and a receiver, the transmitter according to the…
US 7446384 CMOS Image Sensor Module with Wafers
The present invention relates to an image sensor module and a manufacturing method thereof, especially to a wafer level chip size package (WL-CSP) realized by directly contacting an image sensor chip wafer to a glass wafer on which an IR filter coating layer is deposited, an electrode rearrangement and a dicing process, a miniaturized image sensor…
US 7315267 Mixed-mode Semiconductor Memory
A mixed-mode semiconductor memory includes a memory bank array, an analog/digital converter, a digital/analog converter, a plurality of digital buses and a control unit. The memory bank array includes a plurality of memory banks that are each composed of a plurality of pieces of single port memory. The analog/digital converter converts an input…
Disclosed is a CMOS image sensor that controls a reset voltage to reduce reset noise caused by a reset operation of the CMOS image sensor, fixed pattern noise caused by different characteristics of detection circuits, and image lag caused by the influence of a previous image signal upon the current output signal, thereby achieving a high signal to…
US 7479830 Differential Amplifier Using Body-source Cross Coupling
Disclosed herein is a differential amplifier using body-source cross coupling. In a common gate differential amplifier in which common gate amplifiers are implemented in a differential structure, since the bodies of the common gate amplifiers are cross coupled to the sources of the opposite common gate amplifiers, it is possible to increase…
US 7598903 Sensor for Measuring Distance and Method for Measuring Distance Using the Sensor
A distance measurement sensor and a distance measurement method using the same are disclosed. The distance measurement sensor can use all of a pulse method and a Continuous Wave (CW) method, can select an appropriate measurement method according to the distance to be measured, thereby accurately measuring the distance. The distance measurement…
US 7498877 Power Amplifier with Automatic Switching Function
A power amplifier with automatic switching functions is disclosed. The power amplifier can variably control output power of circuits as all of the circuits are operated when relatively large power is needed, and the circuits are partially turned off when relatively small power is needed, according to magnitude of an envelope signal, such that the…
US 7515081 High Resolution Digital-to-Analog Converter
A digital-to-analog converter comprises a current supplier, a current divider dividing current supplied from the current supplier into certain amounts, an inverter outputting inverted signals of input signals and non-inverted signals, a switch controlling a flow of the current divided into the certain amounts by the current divider according to…
US 7636365 Smart digital modules and smart digital wall surfaces combining the same
Disclosed are smart digital modules, a smart digital wall combining the smart digital modules, a context-aware interactive multimedia system, and an operating method thereof. The smart digital wall includes local coordinators for controlling the smart digital modules, and a coordination process for controlling the smart digital modules. The smart…
US 7642167 SON MOSFET using a beam structure and method for fabricating thereof
The present invention relates to a SON (Silicon-On-Nothing) MOSFET having a beam structure and an inverter using thereof and the method for fabricating thereof to increase the efficiency and performance of a MOSFET. A method for fabricating the SON MOSFET according to the present invention comprises the steps of (a) patterning a passivation layer…
US 7766713 Method of Manufacturing Barrier Rib for Plasma Display Panel
Disclosed herein is a method of manufacturing a barrier rib for a plasma display panel, including a silicon compound resin. The method according to a first embodiment of this invention includes providing a silicon compound resin layer on a substrate; pressing the silicon compound resin layer using a master having a pattern corresponding to the…
US 7792215 Direct-conversion Receiver and Sub-harmonic Frequency Mixer thereof
Provided is a sub-harmonic frequency mixer having a structure in which two terminals of transistors receiving a Radio Frequency (RF) signal and a Local Oscillation (LO) signal are coupled. The frequency mixer is composed of a single-level structure of transistors and thus can be driven at a lower supply voltage compared to a common frequency…
US 7719375 Automatically Calibrating Frequency Features of a Phase Locked Loop
A PLL includes an open-loop automatic frequency calibration circuit. The open-loop automatic frequency calibration circuit includes a frequency detector, first and second sinks, a comparator and a bank selector. The frequency detector generates an up-signal and a down-signal responding to a frequency difference between a first phase difference…
US 7710200 Output Buffer and Power Amplifier Comprising thereof
The present invention relates an output buffer and a power amplifier having the same. The output buffer includes a push-pull circuit unit, an output unit, and a driver. The push-pull circuit unit includes transistors connected to each others in a push-pull formation between a high level power voltage and a low level power voltage. The output unit…
US 7750748 Method and Apparatus for Distributing Clock Signal using Standing Waves
A Method and an apparatus for distributing a clock signal are disclosed. The apparatus for distributing a clock signal includes a pair of flat plates, a variable inductor and a connection channel. The pair of flat plates includes a clock flat plate having at least one of clock signal extraction points and a reference flat plate arranged in…
US 6545763 Measurement and Verification of Semi-conductor Deposition Patterns
A method and a recording medium for measuring three-dimensional thickness profile and refractive index of transparent dielectric thin-film with some patterns or not, which is fabricated in the semiconductor and related industrial field, using white-light scanning interferometry is provided.
Disclosed is a self-calibration device for calibrating a phase difference between output waveforms of a ring oscillator, comprising: a voltage-controlled oscillator adapted to adjust the transition time of an output signal according to an inputting of a control voltage for controlling the phase offset and generate the adjusted output signal; a…
US 6424279 Sigma-delta analog-to-digital converter using mixed-mode integrator
The present invention relates to a sigma-delta analog-to-digital converter using a mixed mode integrator composed of an analog integrator and a digital integrator, which can prevent the performance degradation due to the saturation of an integrator of the overload of a quantizer. A sigma-delta analog-to-digital converter having an anti-aliasing…
US 6292355 SrTiO3-based Grain Boundary Barrier Layer Capacitor
Disclosed is an SrTiO.sub.3 -based grain boundary barrier layer capacitor which is superb in dielectric constant and temperature characteristics. It is prepared by infiltrating a liquid-phase oxide mixture into a donor-doped SrTiO.sub.3 matrix to form second-phase dielectric layers at the grain boundaries of the matrix. The liquid-phase oxide…
US 6281761 Temperature-adaptive capacitor block and temperature-compensated crystal
A temperature-adaptive capacitor array used in a TCXO so that the TCXO effectively conducts temperature-compensating in the resonant frequency without the non-monotonicity while a smaller silicon area is used in producing the capacitor array. A number of capacitor arrays allocated in two capacitor banks. Each of the capacitor arrays comprises two…
US 6239624 Low-power Sense Amplifier for Memory
A low-power sense amplifier for a memory is provided, which includes a differential amplifier for sensing and amplifying a weak voltage signal of a bit line connected to a memory cell, and a latch amplifier for storing data inputted thereto, the latch amplifier being operated by the output signal of the differential amplifier, the sense amplifier…
US 7876292 Active matrix OLED driving circuit using current feedback
An active matrix organic light emitting diode AMOLED driving circuit using current feedback that ensures the uniformity of brightness in pixels of a flat panel display and shortens the time required to input accurate current to respective pixels in the driving circuit.
US 8081061 Mobile RFID Reader and Method of Eliminating a Transmission Leakage Signal
A mobile radio-frequency identification (RFID) reader includes a high-frequency front-end unit including an antenna, a circulator, an output amplifier, and a signal processor chip. The signal processor chip includes a high-frequency transceiver, a pseudo-leakage signal generator configured to generate a pseudo-leakage signal based on a…
US 8106718 GM-boosted differential drain-to-source feedback colpitts voltage controlled oscillator
A voltage controlled oscillator outputting a differential signal includes: an inductor connected to a first power supply supplying first voltage; first and second transistors for differential switching; first and second variable capacitors connected to the inductor in parallel; a third transistor of which a gate electrode is connected to a first…
Disclosed is a magnetostrictive transducer for generating and receiving elastic waves in a testing plate and an apparatus for structural diagnosis using the magnetostrictive transducers. More particularly, disclosed is a magnetostrictive transducer which may generate and transmit elastic waves using the magnetostrictive effect in any directions…
A method and an apparatus for structural diagnosis, which generates torsional waves upon a shaft, beam or pipe having arbitrary cross-sections, such as a circular cross-section, and senses existence or location of the cracks through analyzing reflected waves are disclosed. A magnetostrictive transducer comprises a plurality of ferromagnetic strips…
US 6956384 Linear Displacement Transducer with Improved Accuracy
The present invention relates to a linear displacement transducer with improved accuracy, in which stable contact is achieved by forming contacts coming into contact with resistors in a elastic linear contact type, rather than a conventional point contact type, using a rotating roller made of a conductive rubber material, and the life span thereof…
US 7292089 Charge Pump Circuit with no Output Voltage Loss
The present invention is for preventing a charge pump from an unnecessary output voltage loss generated by a threshold voltage of a metal-oxide silicon (MOS) transistor. An apparatus for amplifying an inputted voltage includes an amplifying block including at least two pumping units for amplifying the inputted voltage to generate an output…
A magnetostrictive transducer generating a torsional wave in a subject having a predetermined section and measuring a torsional wave propagating in the subject. In the magnetostrictive transducer having a ferromagnetic patch attached to a predetermined position of a subject, a cylindrical insulator installed around the periphery of the…
A pixel structure using a voltage programming type active matrix organic light emitting diode (OLED) which can minimize a current deterioration phenomenon. The pixel structure includes a fifth TFT receiving an external management signal EMS through its gate, having a drain region connected to a cathode part of an OLED, and receiving an input of an…
US 7302762 Plate Type Capacitive Sensor for Five-dimensional Displacement Measurement
Disclosed herein is a plate type capacitive sensor for five-dimensional displacement measurement that is capable of simultaneously measuring five-dimensional movement of an object, which includes the horizontal movement, the vertical movement, and the tilt of the object. The plate type capacitive sensor for five-dimensional displacement…
US 7746550 Terahertz or Infrared Filter using Shape Resonance
A filter having a high transmittance. The filter includes a substrate having a first surface and a second surface, and a periodic or random array of through-holes formed so as to pass through the first surface and the second surface. The through-hole has a size of subwavelength at a range of infrared and terahertz wave. Here, transmission…
Provided are a photonic memory device, a method of storing data using the photonic memory device, and a photonic sensor device. The photonic memory device comprises a signal line through which a photon is input; a ring resonator receiving a photon through an input gap that is adjacent to the signal line and storing the photon; and a detect line…
US 8149187 Organic Light Emitting Display
An organic light emitting display that can minimize degradation of a drive transistor comprising a first switching element whose control electrode is electrically coupled to a scan line, being electrically coupled between a data line and a first voltage line for transmitting a data signal; a drive transistor whose control electrode is electrically…
US 8144514 One-transistor floating-body DRAM cell device with non-volatile function
The 1T floating-body DRAM cell device includes a floating body for storing information of the DRAM cell device, a source and a drain formed on respective sides of the floating body, a gate insulating layer formed on a top of the floating body, a gate electrode formed on a top of the gate insulating layer, a gate stack formed under the floating…
Provided are a method for read-out of information in a magnetic recording element and a method for read-out of information in a magnetic random access memory. In the method, a magnetic recording element including a magnetic free layer where a magnetic vortex is formed is prepared, and “0” or “1” is assigned according to a core orientation of a…
A NAND flash memory array, an operating method and a fabricating method of the same are provided. The NAND flash memory array has a cut-off gate line under a control gate in order to operate two cells having vertical channels independently with one control gate (i.e., a shared word line). The memory cell area is reduced considerably compared to…
A resistance memory element, a phase change memory element, a resistance random access memory device, an information reading method thereof, a phase change random access memory device, and an information reading method thereof are provided. The resistance random access memory device includes an array of resistance memory element arranged in a…
US 6873289 3-dimensional Beam Steering System
The present invention relates to a beam steering system. The system includes an array of a plurality of antenna elements, each antenna element being electrically and mechanically controlled for steering a beam in a specific direction, and a millimeter wave subsystem quasi-optically integrated with a 3-dimensional beam steering device and an…
The present invention relates to a method for fabricating semiconductor device with negative differential conductance or transconductance. According to the present invention, a fabrication process thereof can be simplified by using an SOI (Silicon-On-Insulator) substrate, and a tunneling device exhibiting the negative differential conductance or…
US 7964483 Growth Method for Nitride Semiconductor Epitaxial Layers
The present invention relates to a method for growing a nitride semiconductor epitaxial layer, which comprises the steps of growing a second nitride semiconductor epitaxial layer on a first nitride semiconductor epitaxial layer at a first temperature, growing a third nitride semiconductor epitaxial layer on the second nitride semiconductor…
Growing a first nitride semiconductor layer on an Al.sub.xGa.sub.yIn.sub.1-x-yN(0.ltoreq.x.ltoreq.1,…
US 7005700 Double-gate Flash Memory Device
The conventional flash memory device is fabricated by the MOS processing technology on a bulk substrate and has a similar configuration to an MOS device. While the conventional CMOS device has a superior scaling down characteristic, the scaling down characteristic of a flash memory device is poor due to the inability to reduce the thickness below…
US 7375428 Flip-chip Bonding Structure using Multi chip Module-deposited Substrate
Flip-chip bonding structures using an MCM-D substrate are disclosed. A flip-chip bonding structure using an MCM-D substrate includes: a silicon substrate, a Si-bump disposed at a predetermined position of the silicon substrate, wherein a material of the Si-bump is the same as the silicon substrate, a dielectric layer disposed on the silicon…
US 7498632 Saddle Type Flash Memory Device and Fabrication method thereof
The present invention relates to a nano-scale flash memory device having a saddle structure, and a fabrication method thereof. Particularly, the invention relates to a highly integrated, high-performance flash memory device having a saddle structure for improving the scaling-down characteristic and performance of the MOS-based flash memory device.…
US 8030699 Flash Memory Device
Disclosed herein is a flash memory device in which the distribution of threshold voltage is significantly reduced and the durability is improved even though a floating gate has a micro- or nano-size length. It comprises a tunneling insulation film formed on a semiconductor substrate; a multilayer floating gate structure comprising a first thin…
US 7884667 Pulse area modulation and high-efficiency linear power amplifier system using the same
A linear power amplifier system using pulse area modulation includes: an envelop/phase decomposer for decomposing an input signal into an envelop signal and a phase signal; a pulse area modulator for modulating the envelop signal such that an area of the modulated envelop signal is proportional to an amplitude of the envelop signal; a control…
US 7863643 Memory Cell Device Having Vertical Channel and Double Gate Structure
A memory cell device having a vertical channel and a double gate structure is provided. More specifically, a memory cell device having a vertical channel and a double gate structure is characterized by having a pillar active region with a predetermined height, which is including a first semiconductor layer forming a first source/drain region, a…
Provided is a fin field effect transistor (FinFET) having low leakage current and a method of manufacturing the same. The FinFET includes: a bulk silicon substrate; a fence-shaped body formed by patterning the substrate; an insulating layer formed on a surface of the substrate to a first height of the fence-shaped body; a gate insulating layer…
US 8035157 High Density Flash Memory Device and Fabricating Method thereof
The present invention provides a flash memory device having a high degree of integration and high performance. The flash memory device has a double/triple gate structure where a channel is formed in a wall-shaped body. The flash memory device has no source/drain regions. In addition, although the flash memory device has the source/drain regions,…
US 7872297 Flash memory device and fabricating method thereof comprising a body recess region
The present invention relates to a flash memory device and its fabrication method. The device comprises a structure for improving a scaling-down characteristic/performance and increasing memory capacity of the MOS-based flash memory device. A new device structure according to the present invention is based on a recessed channel capable of…
Provided are a dielectric film, a method of manufacturing the same, and a semiconductor capacitor having the dielectric film. The semiconductor capacitor includes a lower electrode, a ferroelectric layer disposed on the lower electrode, a paraelectric layer disposed on the ferroelectric layer, and an upper electrode disposed on the paraelectric…
US 7968935 Reconfigurable Semiconductor Device
A reconfigurable semiconductor device is disclosed. The semiconductor device includes a substrate, a first insulating material formed on the substrate, two channels having different polarities, a plurality of terminal electrodes formed on the insulating material and coupled in common with the channels at their opposite ends, a second insulating…
US 8143656 High performance one-transistor DRAM cell device and manufacturing method thereof
Provided are a high-performance one-transistor floating-body DRAM cell device and a manufacturing method thereof. The one-transistor floating-body DRAM cell device includes: a semiconductor substrate; a gate stack which is formed on the semiconductor substrate; a control electrode which is formed on the semiconductor substrate and surrounded by…
Field emission devices (FEDs) are provided. In one embodiment, an FED includes an electron emitter, a tube spaced apart from the electron emitter and having a first opening and a second opening, and a gate electrode disposed on an outer surface of the tube. The first opening is disposed at one end of the tube adjacent to the electron emitter, and…
US 7960778 Flash Memory Cell String
The present invention relates to a flash memory cell string. The flash memory cell string includes a plurality of cell devices and switching devices connected to ends of the cell devices. Each of the cell devices includes a semiconductor substrate, and a transmissive insulating layer, a charge storage node, a control insulating layer and a control…
Disclosed is a method for fabricating a high-performance field-effect transistor biosensor for diagnosing cancers using micro conductive polymer nanomaterials funtionalized with anti-VEGF aptamer. Disclosed is a high-sensitivity field-effect transistor biosensor for diagnosing cancers using a micro conductive polymer nanomaterial transistor array…
US 6538627 Energy Recovery Driver Circuit for AC Plasma Display Panel
The present invention provides an energy recovery driver circuit for the AC plasma display panel having an enhanced energy recovery efficiency with a short voltage rise and fall period. The energy recovery driver circuit comprises an energy recovery part interposed between the sustain driver circuits for the X1 and X2 electrodes and the other…
The present invention provides norbornene-based copolymers for which one monomer is at least selected from a group consisting of norbornene and dicyclopentadiene, and the other from norbornene-based comonomers of Formula 1 shown below: ##STR00001## In Formula 1, R.sub.1, R.sub.2 and a are defined in this specification. The present invention…
A probe capable of acquiring electrochemical and spectroscopic information, comprising: (i) conductive capillary with conductive coating on its inner wall; and (ii) metallic micro-shell of spherical template with a first metallic coating on its surface, trapped in one end of the conductive capillary.
Resist for electron beam lithography, comprising copolymer of three compounds (formula 1 to 3) with a large functional group bonded to Si atom and Mn of 500 to 30,000.
A winding-type synchronous machine including winding-type synchronous motor or generator having mover built in inverter circuit. According to the present invention, problem about use of rare-earth permanent magnet can be solved, and the winding-type synchronous machine which not cause pulsation problem can be implemented.
US 8917079 Reference Potential Adjustment Device and a Measuring Device Equipped with the same
Reference potential adjustment device. The present invention can be easily manufactured and reduce a price, comparing to a conventional reference electrode using Ag/AgCl.
PCT KR2010-000704 Stacked nor Flash Memory Array and Method of Manufacturing same
A stacked NOR flash memory array and a method of manufacturing same, which enables memory capacity to be increased by as much as necessary through vertical stacking.
A semiconductor device having a stacked array structure, which has gate all around(GAA) structure, so that control of gate for each channel has the effect of improved.
The present invention provides compound tunneling field effect transistors integrated on a silicon substrate and methods for fabricating the same for simultaneously forming peripheral circuit in optical device fabrication process on a silicon substrate, wherein the method shifts easily the threshold voltage of each device.
PCT KR2010-006608 Plasma Display Panel Having a Diffusion Barrier
Plasma display panel having a diffusion barrier and by preventing the diffusion of impurities, discharging is stabilized during an initial period of aging, the plasma display panel can be driven at a low voltage, and the discharging efficiency of the plasma display panel can be improved.
US App 20130057304 Capacitive Element Sensor and Method for Manufacturing Same
The present invention provides a simple manufacturing process, so that it is possible to reduce production cost and to improve the reliability of the measure.
US App 20120236278 Image Processing-Based Lithography System and Target Object Coating Method
A lithography system providing a new process which has cost efficiency, a high processing speed and a high productivity.
PCT KR2011-000765 Bottom-up Processing of a Structure Using an Adhesion System Having Fine Ciliary
A method and apparatus for bottom-up processing of a structure using an adhesion system having fine ciliary, which enable the structure to be significantly conveniently attached/detached, and which support the structure in a stable and firm manner.
A composite film to be used in a LED device comprising a light-emitting element and the composite film comprising phosphor and an optical plate achieves improving yield rate.
PCT KR2010-003516 Dynamic Bias Current-Starved Inverter and Low-Power
Dynamic bias current-starved inverter (DSINV) circuit which secures a broad bandwidth on dynamic operating mode, minimizes power waste and output error, and achieve a high gain by the circuit provided in the invention.
US 8936828 Method of Fabricating a Substrate Where Patterns are Formed
A method of fabricating a substrate where patterns are formed, a plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching.
US 8691334 Method of Fabricating a Substrate Where Patterns are Formed
A method of fabricating a substrate where patterns are formed, a plurality of low-priced oxide beads can be patterned on a substrate to have a desired shape so that damages can be prevented from occurring in the substrate during dry etching.
US App 20130187127 Light-Emitting Element and Method for Manufacturing Same
A light-emitting element, which is formed using a fine structure grown toward the upper side of a graphene, wherein a thin film layer is formed between the fine structure and the light-emitting element.
US 8200942 Hybrid multifunction component system with component interface encapsulation
This invention describes an apparatus, architecture, method, operating system, data network, and application program products for a hybrid digital system with multiple heterogeneous components. This invention is applied to a multiple generic microprocessor architecture s with a set (e.g., one or more cores) of controlling components and a set of…
US 5832020 Solid-state laser forming highly-repetitive, high-energy and high-power laser beam
The present invention relates to a solid-state laser which forms a high-energy and high-power laser beam with a high repetition rate and whose overall system can be optically aligned in a simple manner. The solid-state laser of the invention can be fabricated by means of reflecting the laser beam which is reflected by a phase conjugation mirror…