With Metal Compound Patents (Class 252/506)
  • Publication number: 20090057623
    Abstract: Disclosed herein is an article comprising a nucleic acid-carbon nanotube molecular composite in selective communication with at least one of a plurality of material phases; the selective communication being the result of an affinity of functional groups present in the nucleic acid-carbon nanotube molecular composite for the at least one of the plurality of material phases; the material phases being at least a part of a substrate; the nucleic acid-carbon nanotube molecular composite comprising at least one of i) a nucleic acid disposed on a functionalized carbon nanotube; ii) a functionalized nucleic acid disposed on a carbon nanotube; and iii) a functionalized nucleic acid disposed on a functionalized carbon nanotube to form a nucleic acid-carbon nanotube molecular composite.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 5, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Jennifer N. Cha, Christine M. Micheel
  • Publication number: 20090050935
    Abstract: The present invention provides silicon-germanium hydride compounds, methods for their synthesis, methods for their deposition, and semiconductor structures made using the compounds. The compounds are defined by formula: SiHnI (GeHn2)y, wherein y is 2, 3, or 4 wherein n1 is 0 1, 2 or 3 to satisfy valency and wherein n2 is independently 0, 1, 2 or 3 for each Ge atom in the compound, to satisfy valency.
    Type: Application
    Filed: November 21, 2006
    Publication date: February 26, 2009
    Applicant: The Arizona Board ofg Regents, a body corporate acting on behalf of Arizona State University
    Inventors: John Kouvetakis, Cole J. Ritter III
  • Publication number: 20090035555
    Abstract: This invention is directed to an article comprising a transparent substrate and an electrically conductive transparent coating deposited on the transparent substrate. This invention is also directed to methods for preparing the electrically conductive transparent coating and depositing the coating on the transparent substrate. This invention is further directed to devices containing such articles. The electrically conductive transparent coating comprises carbon nanotubes filled, coated, or both filled and coated by a non-carbon material.
    Type: Application
    Filed: July 29, 2008
    Publication date: February 5, 2009
    Inventors: Sean Imtiaz Brahim, Robert L. Gump, Steven G. Colbern, Leonid Grigorian
  • Publication number: 20090035707
    Abstract: Compositions comprising at least one conductive nanomaterial and at least one rheology control additive are disclosed. These compositions can be used to form a film for uses requiring sufficient conductivity and light transparency. Methods of forming a conductive composition include: providing at least one conductive nanomaterial, providing at least one rheology control additive, and blending the at least one conductive nanomaterial and the at least one rheology control additive together to form the conductive composition.
    Type: Application
    Filed: August 1, 2007
    Publication date: February 5, 2009
    Inventors: Yubing Wang, James Guiheen, Yuan-Ping Ting, Gary L. Martin
  • Publication number: 20080308773
    Abstract: The present invention includes an electrochemical redox active material. The electrochemical redox active material includes a cocrystalline metallic compound having a general formula AxMO4-yXOy.M?O, where A is at least one metallic element selected from a group consisting of alkali metals, M and M? may be identical or different and independently of one another at least one selected from a group consisting of transition metals and semimetals, X is P or As, 0.9?x?1.1, and 0<y<4.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 18, 2008
    Applicant: Advanced Lithium Electrochemistry Co., Ltd.
    Inventors: Ben-Jie Liaw, Yu-Fang Chen, Wen-Ren Liu, Sheng-Shih Chang
  • Patent number: 7462302
    Abstract: An indium oxide based material containing carbon, and a method for preparing the same are provided. In such a method, the carbon is added to the indium oxide based material film so that the electrical resistivity of the indium oxide based material film is decreased, and the light transmittance of the indium oxide based material in the shorter wavelength range is increased, and also the light can transmit through such a material over a broader short wavelength range. The indium oxide based material prepared by the method of the present invention has higher electrical conductivity and higher light transmittance in comparison with the conventional one without adding carbon.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: December 9, 2008
    Inventors: Chung-Cheng Chang, Shin-Bin Huang
  • Patent number: 7462271
    Abstract: A method is described for making aluminum reduction cell components, e.g. cathodes having stabilized surfaces, which comprises mixing together a carbonaceous material, TiB2 and up to 25% by weight of a finely divided additive consisting of a combination of two intimately mixed compounds and forming the mixture into a cell component, wherein at least a first of the two compounds has a higher melting temperature than the baking temperature. When the cell component is contacted with molten aluminum, the aluminum reacts with the additive to form a dense phase at the surface of the cell component, having low solubility in aluminum.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: December 9, 2008
    Assignee: Alcan International Limited
    Inventors: Martin Dionne, Jules Bergeron, Amir A. Mirchi
  • Publication number: 20080296537
    Abstract: In a method for functionalizing a carbon nanotube surface, the nanotube surface is exposed to at least one vapor including at least one functionalization species that non-covalently bonds to the nanotube surface, providing chemically functional groups at the nanotube surface, producing a functionalized nanotube surface. A functionalized nanotube surface can be exposed to at least one vapor stabilization species that reacts with the functionalization layer to form a stabilization layer that stabilizes the functionalization layer against desorption from the nanotube surface while providing chemically functional groups at the nanotube surface, producing a stabilized nanotube surface. The stabilized nanotube surface can be exposed to at least one material layer precursor species that deposits a material layer on the stabilized nanotube surface.
    Type: Application
    Filed: February 7, 2007
    Publication date: December 4, 2008
    Applicant: President and Fellows of Harvard College
    Inventors: Roy G. Gordon, Damon B. Farmer
  • Publication number: 20080280751
    Abstract: The present teachings are directed toward a matrix containing nanosized metal components and carbon nanotubes, with the carbon nanotubes being produced in situ by the nanosized metal components upon the contacting of the nanosized metal components with a carbon source under conditions sufficient to produce the carbon nanotubes. Also disclosed are methods of producing the matrix containing the nanosized metal components and carbon nanotubes.
    Type: Application
    Filed: March 16, 2007
    Publication date: November 13, 2008
    Applicant: Honda Motor Co., Ltd.
    Inventors: Avetik Harutyunyan, Elena Mora
  • Publication number: 20080277628
    Abstract: This invention provides an electrically conductive, less anisotropic, and structurally sound composite composition for fuel cell flow field plate or bipolar plate applications. The composition comprises: (a) expanded or exfoliated graphite; (b) particles of non-expandable graphite or carbon, wherein the particles are between 3% and 60% by weight based on the total weight of the particles and the expanded graphite; and (c) a binder or matrix material to bond the expanded graphite and the particles of non-expanded graphite or carbon for forming a highly conductive composite, wherein the binder or matrix material is between 3% and 60% by weight based on the total composite composition weight. The composite plate exhibits a thickness-direction conductivity typically greater than 35 S/cm, more typically greater than 50 S/cm, most typically greater than 100 S/cm, and a thickness-direction specific areal conductivity greater than 200 S/cm2, more typically greater than 500 S/cm2.
    Type: Application
    Filed: May 8, 2007
    Publication date: November 13, 2008
    Inventors: Aruna Zhamu, Jinjun Shi, Jiusheng Guo, Bor Z. Jang
  • Publication number: 20080254362
    Abstract: The present invention relates to a nano-composite structure containing nanostructured carbon and nanoparticles. Also disclosed are methods of making the nano-composite structures. The present invention also relates to a lithium ion battery, a capacitor, a supercapacitor, a battery/capacitor, or a fuel cell containing the nano-composite structures of the present invention.
    Type: Application
    Filed: April 14, 2008
    Publication date: October 16, 2008
    Applicant: ROCHESTER INSTITUTE OF TECHNOLOGY
    Inventors: Ryne P. Raffaelle, Brian J. Landi, Cory D. Cress
  • Patent number: 7435360
    Abstract: A manufacturing method of conductive paste comprising arranging process (S20 to S23) of ceramics particles, arranging process (S10 to S14) of wetted metal particles, forming process (S30) of slurry wherein metal particles and ceramics particles are mixed and dispersion treatment process (S32) by applying collision to the slurry. The arranging process of wetted metal particles comprises, a process (S12) of adding solvent, compatible with organic component in conductive paste and incompatible with water, to undried water washed metal particles, a process (S18) of adding surfactant, a process (S14) of separating water from the metal particles and a process (S15) of adding acetone or the other second solvent.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: October 14, 2008
    Assignee: TDK Corporation
    Inventors: Kazuhiko Oda, Tetsuji Maruno, Akira Sasaki, Kouji Tanaka
  • Patent number: 7419720
    Abstract: The present invention relates to a plastics molding composition based on polyarylene sulfide and/or on liquid-crystalline plastic, where the molding composition comprises carbon black and graphite and/or metal powder, the carbon black has a specific surface area of from 500 to 1500 m2/g, and a dibutyl phthalate value of from 100 to 700 ml/100 g, and the graphite has a specific surface area of from 1 to 35 m2/g. The molding compositions of the invention have good conductivities, and better flowabilities and mechanical properties.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: September 2, 2008
    Assignee: TICONA GmbH
    Inventors: Achim Hofmann, Hans-Gerhard Fritz, Ralf Kaiser
  • Patent number: 7413805
    Abstract: Metallic particles for electrokinetic or electrostatic deposition, and a method for making such particles, comprising metallic particle bodies, an organic acid film on the particle bodies, and a charge director adhered to the organic acid film.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: August 19, 2008
    Assignee: Fry's Metals, Inc.
    Inventors: Oscar Khaselev, Brian G. Lewis
  • Publication number: 20080191175
    Abstract: Electrochemical cell, having a positive electrode comprising electrolytic manganese dioxide, chemical manganese dioxide, lithiated manganates, cobaltates or nickelates as electroactive component and graphite as a conductive additive, which is characterized 1. Electrochemical cell having a positive electrode comprising electrolytic manganese dioxide, chemical manganese dioxide, lithiated manganates, cobaltates or nickelates as electroactive component and graphite as a conductive additive, characterized in that said conductive additive comprises at least a thermally expanded graphite in its vermicular form, and wherein the initial graphite particle expansion degree of said expanded graphite in z-direction of the particle is greater than 80 times of its initial z-dimension, and preferably within the range of 200 to 500 times of its initial z-dimension.
    Type: Application
    Filed: December 26, 2007
    Publication date: August 14, 2008
    Inventors: Michael E. Spahr, Henri Wilhelm
  • Publication number: 20080185560
    Abstract: Alloyed nanophenes comprising carbon, boron, and a Group V element other than nitrogen are provided. The alloyed nanophenes are useful, for example, as miniature electronic components, such as wires, coils, schottky barriers, diodes, inductors, memory elements, and other circuit devices and elements.
    Type: Application
    Filed: December 13, 2006
    Publication date: August 7, 2008
    Applicant: E. I. DUPONT DE NEMOURS AND COMPANY
    Inventor: DAVID HERBERT ROACH
  • Publication number: 20080157027
    Abstract: The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn2-y-zLiyMzO4 oxide with NH4HF2 at low temperatures of between about 300 and 700° C. for 2 to 8 hours and a ? of more than 0 and less than about 0.50, mixed two-phase compositions consisting of a spinel cathode and a layered oxide cathode, and coupling them with unmodified or surface modified graphite anodes in lithium ion cells.
    Type: Application
    Filed: September 25, 2007
    Publication date: July 3, 2008
    Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: Arumugam Manthiram, Wonchang Choi
  • Publication number: 20080131777
    Abstract: A positive electrode material is disclosed which contains an iron lithium phosphate as a positive electrode active material and has a large charge/discharge capacity, high-rate adaptability, and good charge/discharge cycle characteristics at the same time. Also disclosed are a simple method for producing such a positive electrode material and a high-performance secondary battery employing such a positive electrode material. Specifically, disclosed is a positive electrode material for secondary battery characterized by mainly containing a positive electrode active material represented by the general formula: LinFePO4 (wherein n is a number of 0-1) and further containing at least one different metal element selected from the group consisting of vanadium (V), chromium (Cr), copper (Cu), zinc (Zn), indium (In) and tin (Sn). This positive electrode material can be produced using a halide of such a metal element as the raw material.
    Type: Application
    Filed: October 26, 2004
    Publication date: June 5, 2008
    Inventors: Naoki Hatta, Toshikazu Inaba, Izumi Uchiyama
  • Publication number: 20080121847
    Abstract: A conductive polyoxymethylene composition comprising a first polyoxymethylene component, a conductive filler, at least one boron oxyacid or salt thereof, and at least one first polyamide oligomer is disclosed. The first polyoxymethylene component comprises a copolymer of oxymethylene, a homopolymer of oxymethylene, and mixtures thereof, and is present in an amount of from about 50 to about 99.5 weight percent based on the total weight of the composition. The conductive filler is present in an amount of from about 0.1 to about 40 percent by weight based on the total weight of the composition. The boron oxyacid or salt thereof and the first polyamide oligomer stabilize the composition such that articles formed therefrom exhibit reduced or eliminated deterioration. Further, when exposed to higher temperature, pressure, and high-fuel content environments, the articles maintain the desired physical properties.
    Type: Application
    Filed: January 12, 2006
    Publication date: May 29, 2008
    Applicant: BASF Aktiengesellschft
    Inventors: David Carl Krueger, Majiid Khalatbari, Wolfgang Heim, Theodore Zavadil
  • Patent number: 7371338
    Abstract: Safe and economical electrochemically active nanocomposites based on metal fluoride compounds useful in rechargeable battery cell electrodes. When incorporated as the active electrode material in lithium battery cell systems, the nanocomposites enable high, stable specific capacities.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: May 13, 2008
    Assignee: Rutgers, The State University
    Inventor: Glenn G. Amatucci
  • Patent number: 7326463
    Abstract: Circuit conductors and cables are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are formed from non-metals, such as carbon, graphite, that may also be metallic plated, or the like, or from metals such as stainless steel, nickel, copper, silver, that may also be metallic plated, or the like, or from a combination of non-metal, plated, or in combination with, metal powders. The micron conductor fibers preferably are of nickel plated carbon fiber, stainless steel fiber, copper fiber, silver fiber, aluminum fiber, or the like.
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: February 5, 2008
    Assignee: Integral Technologies, Inc.
    Inventor: Thomas Aisenbrey
  • Patent number: 7282260
    Abstract: A coating composition having outstanding electrically conductive and electromagnetic radiation absorptive properties is disclosed with a water emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer, and a second emulsion containing an acrylic, aliphatic or aromatic polyurethane, polyester urethane, polyester, epoxy, polyamide, polyimide, vinyl, fluoropolymer, or silicone polymer. An effective amount of electrically conductive and electromagnetic radiation absorptive particles is dispersed in the binder. The particles include a combination of graphite particles, carbon nanotubes and metal containing particles. An effective amount of water is also present.
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: October 16, 2007
    Assignee: Unitech, LLC
    Inventors: Wayne B. LeGrande, Robert C. Boyd
  • Patent number: 7238296
    Abstract: When the entire amount of conductive metal mixed powder made of copper, manganese, and germanium is 100 parts by weight, the metal mixed powder is formed by mixing 4.0 to 13.0 parts manganese by weight, 0.2 to 1.4 parts germanium by weight, and 85.6 to 95.8 parts copper by weight, and 0 to 10 parts glass powder by weight and 0 to 10 parts copper-oxide powder by weight are mixed relative to the entire amount (100 parts by weight) of these metal components. The obtained resistive paste is then baked, and the resistive composition having the low resistance value and low TCR may be obtained. In addition, a resistor is made by forming the resistive element upon a substrate.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: July 3, 2007
    Assignee: KOA Kabushiki Kaisha
    Inventor: Satoshi Moriya
  • Patent number: 7195723
    Abstract: A colloidal solution and/or nanocomposite having enhanced energy transfer between thermal, electron, phonons, and photons energy states. The composition comprises a synergistic blend of electrides and alkalides within a medium that effectively alters the mean free path. The composition is optionally further enhanced through externally generated fields and made into energy conversion devices.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: March 27, 2007
    Inventor: Michael H. Gurin
  • Patent number: 7186355
    Abstract: The present invention relates to compositions which provide an insulated nanoscopic pathway. The pathway comprises molecules, polymers or nanoscopic particles capable of conducting charge integrated with nanoscopic switches which are capable of electronic communication with the charge-conducting species. Turning “on” the nanoscopic switch electronically “connects” the various molecules/particles, such that a continuous nanoscopic pathway results. The nanoscopic pathway can be used in a sensor, where the switches can act as receptors for analytes. Binding of an analyte can result in a variety of effects on the nanoscopic pathway, including altering the conductivity of the nanoscopic pathway.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: March 6, 2007
    Assignee: Massachusetts Institute of Technology
    Inventor: Timothy M. Swager
  • Patent number: 7138076
    Abstract: In a dielectric composition for use in formation of a dielectric layer in a plasma display panel, comprising glass powder, the glass powder is powder of glass which contains PbO of 50% or less and CuO as one of essential elements contained in the glass for preventing color change of the dielectric layer from being caused due to reaction with Ag electrodes in the plasma display panel. Ceramics powder can be mixed with the glass powder. The dielectric composition can also be provided in a form of paste, alternatively in a form of a green sheet.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: November 21, 2006
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Norikazu Fukushima, Hiroyuki Oshita, Takayuki Mito, Masahiko Ouji, Kazuo Hadano
  • Patent number: 7022265
    Abstract: Polyamide resin compositions suitable for molded articles comprising polyamide, thermoplastic polyphenol, and of carbon fiber are disclosed. These may optionally include aramid fiber and zinc oxide whisker. Such compositions show remarkable shielding performance when subjected to electromagnetic fields, and with outstanding control of warpage and toughness.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: April 4, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Paul P. Cheng, Yuji Saga
  • Patent number: 6962666
    Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: November 8, 2005
    Assignees: ACEP, Inc., Centre National de la Recherche Scientifique, Universite de Montreal
    Inventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallée, Michel Armand, Jean-François Magnan
  • Patent number: 6896824
    Abstract: A heat-softening heat-radiation sheet including a polyolefin-based heat-conductive composition which comprises a polyolefin and a heat-conductive filler, has a softening point of 40° C. or above, has a thermal conductivity of 1.0 W/mK or higher, has a viscosity at 80° C. of from 1×102 to 1×105 Pa·s and has a plasticity at 25° C. in the range of from 100 to 700. This heat-radiation sheet which is in the form of a solid sheet at room temperature, can readily be attached to or detached from electronic components and a heat sink, is capable of softening by the heat generated during operation of electronic components, to have the interfacial contact thermal resistance at a negligible level, and has a superior heat-radiation performance.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: May 24, 2005
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kazuhiko Tomaru, Tsutomu Yoneyama, Ryuichi Handa
  • Patent number: 6855273
    Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: February 15, 2005
    Assignees: ACEP, Inc., Centre National de la Recherche Scientifique, Universite de Montreal
    Inventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallée, Michel Armand, Jean-François Magnan
  • Patent number: 6836251
    Abstract: This invention relates to a radio antenna as a transmitting antenna or a receiving antenna and a mobile radio system. In accordance with the invention, the radio antenna (MS-A, BTS-A) is a planar antenna and consists of one carrier part (1) of an electrically insulating material, of a coating (s) applied thereon and of two spaced coating feeders (3, 4) having an electrical connection to the interstitial coating (2). This coating is made of a coating material, which consists of specific materials in indicated amounts of substances of one binding agent, insulator, dispersing agent and distilled water. By means of the coating (2), electromagnetic waves are transmittable or receivable with a high frequency selectivity being possible in combination with a spherical characteristic.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: December 28, 2004
    Assignee: Moletherm Holding AG
    Inventor: Helmut Reichelt
  • Patent number: 6835459
    Abstract: A conductive and weldable anti-corrosion composition for coating metal surfaces which contains: (a) 5 to 40 wt. % of an organic binder containing: (aa) at least one epoxide resin (ab) at least one hardener selected from cyanoguanidine, benzoguanamine and plasticised urea resin (ac) at least one amine adduct selected from polyoxyalkylenetriamine and epoxide resin/amine adducts (b) 0 to 15 wt. % of an anti-corrosion pigment (c) 40 to 70 wt. % of a conductive pigment selected from powdered zinc, aluminum, graphite, molybdenum sulfide, carbon black and iron phosphide (d) 0 to 45 wt. % of a solvent; and a lacquered metal structural part which has a conductive organic layer.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: December 28, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wolfgang Lorenz, Andreas Kunz, Eva Wilke
  • Patent number: 6830709
    Abstract: The invention relates to a liquid composition measurement method. One embodiment of the method comprises the steps of: i) subjecting a liquid composition containing fine particles and a solvent to the following pretreatment steps (a) to (c) to form an agglomerate of fine particles: (a) evaporating the solvent of the liquid composition at 120° C. for 10 hours in an ambient atmosphere, and drying the liquid composition; (b) burning the dried liquid composition resulting from the pretreatment step (a) at 700° C. after raising the temperature from 120° C. to 700° C. over one hour; (c) cooling a burned product obtained in the pretreatment step (b) to room temperature, powdering the burned product to obtain agglomerates of the fine particles; and ii) vacuum degassing the agglomerates at 120° C. for 8 hours, and measuring physical properties of pores of the agglomerates by a nitrogen adsorption and desorption method.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: December 14, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Tomioka, Masao Kato, Makiko Endo
  • Patent number: 6825595
    Abstract: Provided are a composite for paste including carbon nanotubes (CNTs), an electron emitting device using the same, and a manufacturing method thereof. The provided composite for paste includes 5 to 40 parts by weight of CNTs, 5 to 50 parts by weight of alkali metal silicate, and 1 to 20 parts by weight of a binder. The provided electron emitting device includes electron emitting tips, which are located on cathode electrodes in wells and formed of the composite for paste including 5 to 40 parts by weight of CNTs, 5 to 50 parts by weight of alkali metal silicate, and 1 to 20 parts by weight of a binder. The electron emitting device has excellent stability and durability and uniformly emits electrons from a large area, thereby improving the overall performance of an apparatus using the electron emitting device.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: November 30, 2004
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-wan Jin, Jae-eun Jung
  • Patent number: 6821919
    Abstract: A nanocomposite having titanium aluminum carbon nitride and amorphous carbon is disclosed, and the nanocomposite comprises a titanium aluminum carbon nitride grain of nanometer scale and an amorphous carbon matrix, wherein the titanium aluminum carbon nitride grain of nanometer scale is embedded into the amorphous carbon matrix. The method for coating the nanocomposite of titanium aluminum carbon nitride-amorphous carbon on a substrate comprises: depositing the substrate in a reaction chamber; and igniting plasma to clean and remove an oxide layer and adsorptive on the substrate; injecting a reaction gas. The reaction gas is activated and thermal decomposed by plasma to form the nanocomposite coating layer of titanium aluminum carbon nitride-amorphous carbon on the surface of the substrate.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: November 23, 2004
    Assignee: National Cheng Kung University
    Inventors: Ming-Hsiung Hon, Jiann Shieh
  • Patent number: 6814890
    Abstract: A process for preparing a mixed solvent adhesive solution involving mixing an alcohol and an adhesive to form an adhesive solution; mixing a charge transporting molecule and a solvent other than alcohol to form a charge transport solution; mixing the charge transport solution with the adhesive solution to form a mixed solvent solution; mixing an electrically conductive filler and a solvent to form a filled solvent solution; and mixing the filled solvent solution to the mixed solvent solution so as to form a mixed solvent adhesive solution.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: November 9, 2004
    Assignee: Xerox Corporation
    Inventors: Ihor W. Tamawskyj, Xiaoying Yuan, Raymond K. Crandall
  • Patent number: 6811917
    Abstract: A conductive, moldable composite material for the manufacture of electrochemical cell components comprising a thermosetting resin system and conductive filler wherein the thermosetting resin composition comprises: (1) a polybutadiene or polyisoprene resin; (2) an optional functionalized liquid polybutadiene or polyisoprene resin; (3) an optional butadiene- or isoprene-containing copolymer; and (4) an optional low molecular weight polymer. In a preferred embodiment, the conductive moldable composite material is used to form a bipolar plate, current collector or other electrochemical cell component. Articles made of the conductive moldable composite material are resistant to chemical attack and hydrolysis, have excellent mechanical strength and toughness, have a volume resistivity of about 0.116 ohm-cm or less and preferably about 0.04 ohm-cm or less and a thermal conductivity of at least about 5 watts/meter ° K.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: November 2, 2004
    Assignee: World Properties, Inc.
    Inventors: Bruce B. Fitts, Vincent R. Landi, Saroj Kumar Roy
  • Patent number: 6793850
    Abstract: An alkali development type photocurable composition comprises (A) an alkali-soluble macromolecular binder having a weight-average molecular weight in the range of 5,000 to 100,000 and an acid value in the range of 50 to 150 mg KOH/g and obtained by causing (d) a compound possessing one glycidyl group in its molecule to react with a carboxyl group of (A-1) a copolymer of (a) an ethylenically unsaturated bond-containing compound possessing one carboxyl group in its molecule with (b) an ethylenically unsaturated bond-containing compound possessing neither hydroxyl group nor acidic group in its molecule, or a carboxyl group of (A-2) a copolymer of the compounds (a) and (b) mentioned above and (c) an ethylenically unsaturated bond-containing compound possessing a hydroxyl group and then causing (e) a polybasic acid anhydride to react with a hydroxyl group caused by the above reaction, (B) an inorganic powder, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) an organic solvent.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: September 21, 2004
    Assignee: Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Kyo Ichikawa, Kouichi Takagi, Nobuyuki Suzuki
  • Publication number: 20040066132
    Abstract: Disclosed is an electron emission source composition for a field emission display device including 1 to 20% by weight of carbon nano tubes; glass frit; an organic binder resin comprising ethyl cellulose and acrylate resin and/or acryl resin; and an organic solvent, wherein the glass frit is present in an amount of 1 to 500 parts by weight with respect to 100 parts by weight of the carbon nano tubes.
    Type: Application
    Filed: April 22, 2003
    Publication date: April 8, 2004
    Inventors: Sung-Hee Cho, Min-Jae Yoon
  • Patent number: 6689296
    Abstract: A conductive paste for defogging heat wires of automobile windows contains a silver powder having particle size in the range of about 0.1 to 20 &mgr;m, a molybdenum compound such as molybdenum silicide or molybdenum boride, a glass frit having a softening point of 730° C. or less and an organic vehicle. The conductive paste can uniformly darken the conductive heat wire regions of the automobile window without producing any harmful substances. Also, it can ensure sufficient bonding strength of lead wires.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: February 10, 2004
    Assignee: Murata Manufacturing Co. LTD
    Inventors: Akira Nagai, Fumiya Adachi
  • Publication number: 20040004806
    Abstract: This invention relates to a novel operating electrolyte on the basis of glycol/boric acid/borate, which contains, as an inhibitor protecting the aluminum oxide layer from corrosion, a weak acid with an organic backbone, said acid group being selected from carboxylic acid, sulfonic acid, phosphonic acid or an acid derivative of said acids.
    Type: Application
    Filed: June 9, 2003
    Publication date: January 8, 2004
    Inventors: Thomas Ebel, Frank Stippich, J?uuml;rgen Behm, Olaf Magnussen, Stefan Lauterborn
  • Patent number: 6673273
    Abstract: Electrolyte compositions for use in cells and batteries that include a crosslinked solid ionically conductive polymer having urethane groups, urea groups, thiocarbamate groups, or combinations thereof, particles, and a salt. Certain electrolyte compositions include a liquid thereby forming a gel electrolyte composition.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: January 6, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Dinh Ba Le, Jerome Edward Scanlan, Ravindra L. Arudi
  • Patent number: 6652777
    Abstract: Disclosed are methods for manufacturing electromagnetic interference shields for use in nonconductive housings of electronic equipment. In one embodiment, the shield may include an electrically nonconductive substrate, such as a thermoformable film, coated with an electrically conductive element, such as an extensible ink or a combination of conductive fibers with an extensible film. In one embodiment, a compressible conductive perimeter gap gasket may be formed by using a form in place process.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 25, 2003
    Assignee: Amesbury Group, Inc.
    Inventors: Martin L. Rapp, Jeff McFadden, Frank T. McNally
  • Patent number: 6652819
    Abstract: A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containing combustion residues; (b) heating the vanadium-containing combustion residues at a temperature T in ° C. under an oxygen partial pressure of at most T in kPa wherein T and P meet with the following conditions: log10(P)=−3.45×10−3×T+2.21 500≦T≦1300 to obtain a solid product containing less than 5% by weight of carbon and vanadium at least 80% of which is tetravalent vanadium oxide; (c) selectively leach tetravalent vanadium ion with sulfuring acid at pH in the range of 1.5-4; (d) separating a liquid phase from the leached mixture; (e) adding an alkaline substance to the liquid phase to adjust the pH thereof in the range of 4.5-7.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: November 25, 2003
    Assignee: Chiyoda Corporation
    Inventors: Yoshimi Shiroto, Ataru Wakabayashi
  • Patent number: 6649090
    Abstract: A liquid composition is formed into a coating layer state in which negative ions are steadily released. The liquid composition includes a finely powdered mineral that generates negative ions mixed with a binder liquid that is conductive and/or a binder liquid in which a conductive substance is dispersed.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: November 18, 2003
    Assignee: Gantan Beauty Industry Co., Ltd.
    Inventors: Motokatsu Funaki, Teruo Tamanoi, Kouji Yanagimachi, Akifusa Funaki
  • Patent number: 6635193
    Abstract: In a dielectric composition for use in formation of a dielectric layer in a plasma display panel, comprising glass powder, the glass powder is powder of glass which contains PbO of 50% or less and CuO as one of essential elements contained in the glass for preventing color change of the dielectric layer from being caused due to reaction with Ag electrodes in the plasma display panel. Ceramics powder can be mixed with the glass powder. The dielectric composition can also be provided in a form of paste, alternatively in a form of a green sheet.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: October 21, 2003
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Norikazu Fukushima, Hiroyuki Oshita, Takayuki Mito, Masahiko Ouji, Kazuo Hadano
  • Patent number: 6628748
    Abstract: In a device and a method for the analysis of atomic and molecular elements by way of wavelength dispersive x-ray spectrometric structures including at least one mirror or focussing device having a multi-layer structure onto which fluorescent radiation generated by primary x-ray or electrons beams from a sample to be examined is directed and the reflected fluorescence radiation is supplied to a measuring device for determining the nature of impurities contained in the sample, the multi-layer structure consists of at least a lanthanum layer and a boron carbide layer.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: September 30, 2003
    Assignee: GKSS-Forschungszentrum Geesthacht GmbH
    Inventors: Carsten Michaelsen, Rüdiger Bormann
  • Patent number: 6607676
    Abstract: Carbonaceous semiconductor material is prepared by heating an organic polymer to carbonize the polymer and incorporating into the carbonized polymer one or more hetero atoms such as those of Group II, III, IV, V and VI of the Periodic Table. Carbonaceous semiconductor material is also prepared by heating an organic polymer containing one or more of the hetero atoms until the hetero atom-containing polymer is carbonized.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: August 19, 2003
    Assignee: Ube Industries, Ltd.
    Inventors: Masao Doyama, Shigehiko Yamada
  • Publication number: 20030151030
    Abstract: An enhanced conductivity nanocomposite having reduced conductivity path directionality dependence as a means for enhancing the electrical and thermal conductivity. The composition comprises a synergistic blend of metal (and their derivatives) and carbon (preferably nanotubes) powder both average particle sizes in the nanometer to micron size range. The carrier medium is selected from the group of interpolymers, polymers, gaseous and liquid fluids, and phase change materials. The synergistic nanocomposite, when mixed with a conductive medium, exhibits enhanced heat transfer capacity, and electrical and thermal conductivity, stable chemical composition, faster heat transfer rates, and dispersion maintenance which are beneficial to most thermal or electrical transfer systems.
    Type: Application
    Filed: March 18, 2003
    Publication date: August 14, 2003
    Inventor: Michael H. Gurin
  • Patent number: 6558578
    Abstract: Conductive paste for the electrical industry based on at least one elastomer (10) and on an admixture of conducting particles in the form of fibers (20), in which the fibers (20) are flexible and have been embedded in the elastomer (10) in random orientation and with formation of a large number of contact points.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: May 6, 2003
    Assignee: Laird Technologies, Inc.
    Inventors: Jean-Alec Ducros, Mohamed Aït El Cadi