Electron Emissive Or Suppressive (excluding Electrode For Arc) Patents (Class 427/77)
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Publication number: 20090091233Abstract: Disclosed is a protecting device for electronic circuit and the manufacturing method thereof. The device is a multi-layered structure which includes a dielectric layer and several electrode layers overlapping in the inner circumference of the substrate. After making up a whole structure, a transverse gap with an appropriate depth is formed by cutting process causing two superposed electrode layers to split into two parts facing to each other with respect to the transverse gap and also split into upper and lower parts with respect to the dielectric layer. With this structure, the gap can serve as a protecting element for electrostatic discharge (ESD) or other elements by filling different materials and with the aid of the dielectric layer of appropriate thickness thereby the whole structure can be used to perform surge protection for various electronic circuits.Type: ApplicationFiled: October 3, 2007Publication date: April 9, 2009Inventor: Liu Te-Pang
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Publication number: 20090092887Abstract: An electrode comprising a primary and secondary metal nanoparticle coating on a metallic substrate is prepared by dispersing nanoparticles in a solvent and layering them onto the substrate, followed by heating. The enhanced surface area of the electrode due to the catalytic nanoparticles is dramatically enhanced, allowing for increased reaction efficiency. The electrode can be used in one of many different applications; for example, as an electrode in an electrolysis device to generate hydrogen and oxygen, or a fuel cell.Type: ApplicationFiled: October 5, 2007Publication date: April 9, 2009Applicant: QuantumSphere, Inc.Inventors: Kimberly McGrath, Robert Dopp, R. Douglas Carpenter
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Publication number: 20090087663Abstract: Disclosed herein may be a free-standing metallic micromechanical structure having a metal thin film on a carbon nanotube network template (CNTnt), which may include a bilayer laminate obtained by laminating the metal thin film to a predetermined or given thickness on the CNTnt, a manufacturing method thereof, a resonator structure using the same, and a method of manufacturing a resonator structure using the same.Type: ApplicationFiled: May 1, 2008Publication date: April 2, 2009Inventor: Yun Park
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Publication number: 20090079322Abstract: The present invention provides a metal electrode transparent to light. The metal electrode comprises a transparent substrate and a metal electrode layer composed of a metal part and plural openings. The metal electrode layer continues without breaks, and 90% or more of the metal part continues linearly without breaks by the openings in a straight length of not more than ? of the visible wavelength to use in 380 nm to 780 nm. The openings have an average diameter in the range of not less than 10 nm and not more than ? of the wavelength of incident light, and the pitches between the centers of the openings are not less than the average diameter and not more than ½ of the wavelength of incident light. The metal electrode layer has a thickness in the range of not less than 10 nm and not more than 200 nm.Type: ApplicationFiled: August 7, 2008Publication date: March 26, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Eishi TSUTSUMI, Akira Fujimoto, Koji Asakawa
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Patent number: 7507135Abstract: In a method of manufacturing a field emitter, a patterned conductive layer is formed on a substrate, an upper surface of the conductive layer is coated with a mixture of a field emission material and metal powder, the mixture is thermally treated to improve adhesion of the mixture to the conductive layer, and a field emission material and a metal deposited on a portion of the substrate other than the conductive layer are removed. Accordingly, the lifespan and field emission characteristic of the field emitter are greatly improved, and a large area field emitter having excellent characteristics that cannot be realized in the conventional art is fabricated.Type: GrantFiled: February 3, 2005Date of Patent: March 24, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Hyun Lee, Jeong-Hee Lee, Shang-Hyeun Park, Tae-Won Jeong, Jung-Na Heo, Won-Seok Kim
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Publication number: 20090075171Abstract: An anode of a lithium battery includes a composite film, the composite film comprising a carbon nanotube film structure and a plurality of nanoscale tin oxide particles dispersed therein. A method for fabricating an anode of a lithium battery, the method includes the steps of: (a) providing an array of carbon nanotubes; (b) pulling out, by using a tool, at least two carbon nanotube films from the array of carbon nanotubes to form a carbon nanotube film structure; and (c) dispersing a plurality of nanoscale tin oxide particles in the carbon nanotube film structure to form a composite film, and thereby, achieving the anode of the lithium battery.Type: ApplicationFiled: April 4, 2008Publication date: March 19, 2009Inventors: Chen Feng, Hao-Xu Zhang, Kai-Li Jiang, Shou-Shan Fan
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Publication number: 20090074954Abstract: A process is described for the production of graphite electrodes coated predominantly with noble metal for electrolytic processes, especially for the electrolysis of hydrochloric acid, wherein the surface of a graphite electrode is coated with an aqueous solution of a noble metal compound and then tempered at 150 to 650° C. in the presence of reducing and/or extensively oxygen-free gases.Type: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Applicant: Bayer MaterialScience AGInventors: Rainer Weber, Jurgen Kintrup, Matthias Weis, Odo Muddemann, Gerhard Moormann, Frank Rauscher
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Publication number: 20090070989Abstract: A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS2) and carbon particles. The electrolyte comprises a lithium salt dissolved in a solvent mixture. Iron disulfide powder and carbon black is preferably premixed and stored. A cathode slurry is prepared comprising iron disulfide, carbon black, binder, and a liquid solvent. The mixture is coated onto a substrate and solvent evaporated leaving a dry cathode coating on the substrate. The cathode coating is then baked at elevated temperatures in atmosphere under partial vacuum or in an atmosphere of nitrogen or inert gas. The anode and cathode can be spirally wound with separator therebetween and inserted into the cell casing with electrolyte then added.Type: ApplicationFiled: November 2, 2007Publication date: March 19, 2009Inventors: Michael Pozin, Sean Chang
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Publication number: 20090075165Abstract: A cathode active material composition of a cathode of a lithium battery includes a conducting agent, a binder, and a cathode active material coated on one surface of a current collector, wherein the cathode active material composition is coated with a vanadium oxide.Type: ApplicationFiled: July 31, 2008Publication date: March 19, 2009Applicant: Samsung SDI Co., Ltd.Inventors: Kyu-sung Park, Dong-min Im
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Publication number: 20090071835Abstract: Voltage delay in an active metal anode/liquid cathode battery cell can be significantly reduced or completely alleviated by coating the active metal anode (e.g., Li) surface with a thin layer of an inorganic compound with Li-ion conductivity using chemical treatment of Li surface. Particularly, preferred examples of such compounds include lithium phosphate, lithium metaphosphate, and/or their mixtures or solid solutions with lithium sulphate. These compounds can be formed on the Li surface by treatment with diluted solutions of the following individual acids: H3PO4, HPO3 and H2SO4, their acidic salts, or their binary or ternary mixtures in a dry organic solvent compatible with Li, for instance in 1,2-DME; by various deposition techniques. Such chemical protection of the Li or other active metal electrode significantly reduces the voltage delay due to protected anode's improved stability toward the electrolyte.Type: ApplicationFiled: November 18, 2008Publication date: March 19, 2009Applicant: POLYPLUS BATTERY COMPANYInventors: Lutgard De Jonghe, Yevgeniy S. Nimon, Steven J. Visco
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Publication number: 20090073637Abstract: A polarizable electrode includes a collector and a polarizable electrode layer having a thickness of 5 ?m or more to 130 ?m or less on the surface of the collector. The polarizable electrode layer includes a first binder composed of at least one of an ammonium salt of carboxymethyl cellulose, polyvinylpyrrolidone, polyvinyl alcohol, methylcellulose, and a hydroxylpropyl cellulose resin, and a second binder composed of at least one of a latex, a fluoride-based polymer, a urethane resin, and an olefin-based resin. The content of the first binder is 5% by weight or less with respect to the total weight of the solid part, and the content of the second binder is 1% by weight or more and 5% by weight or less.Type: ApplicationFiled: March 20, 2006Publication date: March 19, 2009Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Keisuke Imamura, Chiho Yamada, Motohiro Sakata
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Publication number: 20090075068Abstract: Disclosed herein are an electromagnetic wave absorbing and shielding film, a method of manufacturing the same, and a cable including the electromagnetic wave absorbing and shielding film. The electromagnetic wave absorbing and shielding film includes an electromagnetic wave absorbing layer, in which a plate-like metal flake is formed using a metal powder in the form of a paste or ink, and an electromagnetic wave shielding layer attached to the electromagnetic wave absorbing layer, thus absorbing and shielding electromagnetic wave and reducing noise.Type: ApplicationFiled: December 6, 2007Publication date: March 19, 2009Inventors: Jung Seok Pyo, Jong Young Lee
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Publication number: 20090071846Abstract: The disclosure concerns a high efficiency electrochemical sensor with high signal yield for determining an analyte in a fluid medium comprising, at least one reference electrode, at least one working electrode having particles of an electrocatalyst in an electrode matrix, and an enzyme that is suitable for determining an analyte is selectively covalently bound to the particles of the electrocatalyst. The disclosure also describes a process for producing the electrochemical sensor and a method for determining an analyte in a fluid medium using the electrochemical sensor. have a high efficiency and thus achieve a high signal yield.Type: ApplicationFiled: July 18, 2008Publication date: March 19, 2009Inventors: Arnulf Staib, Thomas Meier, Reinhold Mischler, Harald Peschel, Martin Hajnsek
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Publication number: 20090068346Abstract: A method for applying an electrode mixture paste includes: a first step of unwinding a core material (2) wound in a coil shape; a second step of applying an electrode mixture paste (5) onto the core material; a third step of adjusting an application amount of the electrode mixture paste; a fourth step of drying a paste-coated sheet (6) with the electrode mixture paste applied to the both sides thereof; and a fifth step of winding the paste-coated sheet in a coil shape. In this method, in one of the second and third steps, a core material-exposed portion (9) to which the electrode mixture paste is not applied is provided in both edge portions in a width direction of the core material, and, in the fourth step, a holding unit is provided in at least one position, the holding unit continuously holding the core material-exposed portion between a wheel type roller (10) and a contact belt (11) and changing a traveling direction of the paste-coated sheet.Type: ApplicationFiled: March 6, 2006Publication date: March 12, 2009Inventors: Hiroyuki Usui, Masahiko Kato, Toru Okamoto, Tadakazu Seto
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Patent number: 7501146Abstract: A carbon nanotube emitter and its fabrication method, a Field Emission Device (FED) using the carbon nanotube emitter and its fabrication method include a carbon nanotube emitter having a plurality of first carbon nanotubes arranged on a substrate and in parallel with the substrate, and a plurality of the second carbon nanotubes arranged on a surface of the first carbon nanotubes.Type: GrantFiled: October 6, 2005Date of Patent: March 10, 2009Assignee: Samsung SDI Co., Ltd.Inventors: Hang-Woo Lee, Yong-Wan Jin, In-Taek Han, Ha-Jin Kim, Min-Jong Bae
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Publication number: 20090062721Abstract: An iontophoresis device including an electrode assembly which holds a drug solution containing a salt of a first drug with an acid dissolved therein and has a polarizable electrode to be in contact with the drug solution, in which the polarizable electrode to which a second drug of the same kind as that of the first drug is adsorbed. A method may include adsorbing the second drug to the polarizable electrode; and then bringing the drug solution into contact with the polarizable electrode. As a result, the iontophoresis device is capable of suppressing a change in the pH value of the drug solution in the case where the drug solution containing the salt of the first drug with the acid dissolved is held in contact with the polarizable electrode.Type: ApplicationFiled: August 29, 2008Publication date: March 5, 2009Applicant: TTI ELLEBEAU INC.Inventors: Yoshitsune Hayakawa, Kazuma Mitsuguchi, Nobuharu Koshiba
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Publication number: 20090061125Abstract: A thermally and electrically conductive structure comprises a carbon nanotube (110) having an outer surface (111) and a carbon coating (120) covering at least a portion of the outer surface of the carbon nanotube. The carbon coating may be applied to the carbon nanotube by providing a nitrile-containing polymer, coating the carbon nanotube with the nitrile-containing polymer, and pyrolyzing the nitrile-containing polymer in order to form the carbon coating on the carbon nanotube. The carbon nanotube may further be coated with a low contact resistance layer (130) exterior to the carbon coating and a metal layer (140) exterior to the low contact resistance layer.Type: ApplicationFiled: August 27, 2007Publication date: March 5, 2009Inventors: Linda A. Shekhawat, Nachiket R. Raravikar
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Publication number: 20090057657Abstract: The present invention includes forming a hydrophobic thin film on a substrate, removing a portion of the first hydrophobic thin film to form a first hydrophilic region, coating a first organic solution on the substrate and selectively wetting the first hydrophilic region, drying the first organic solution to form a first organic thin film pattern in the first hydrophilic region, forming a second hydrophobic thin film on the first organic thin film pattern, coating a second organic solution and selectively wetting the second organic solution, and drying the second organic solution to form a second organic thin film pattern.Type: ApplicationFiled: March 19, 2008Publication date: March 5, 2009Inventors: Sin-Doo Lee, Yu-Jin Na
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Publication number: 20090057137Abstract: A method (100) is provided for synthesizing a thin film electrode (350) such as an electrochromic (EC) electrode (426) or counter electrode (434) for an EC device (410), a lithiated film of transition metal oxide (616) for a battery device (600), or the like. The method (100) includes providing (140) a source material (322) within a deposition chamber (310) such as a target for sputtering, and the source material (322) includes a transition metal oxide and ionic lithium. The method (100) continues with positioning (140) an electrically conductive substrate (340) with an exposed surface within the deposition chamber (310). A thin film (350) of the transition metal oxide and the ionic lithium is deposited upon the exposed surface of the substrate (340) using physical vapor deposition with the source material (322) to form in a single deposition step a layer of lithiated transition metal oxide (350).Type: ApplicationFiled: August 20, 2008Publication date: March 5, 2009Applicant: Midwest Research InstituteInventors: J. Roland Pitts, Se-Hee Lee, C. Edwin Tracy, Dane Gillaspie
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Publication number: 20090061078Abstract: The present invention relates to a solid oxide fuel cell for internal reforming of hydrocarbons and carbon dioxide, in particular, to a solid oxide fuel cell in which one side of solid oxide electrolyte (YSZ) is attached to an air electrode (La0.8Sr0.2MnO3) and its other side is attached to a catalyst electrode of Ni-YSZ type or perovskite type metal oxide. The electrochemical conversion system using the solid oxide fuel cell permits the occurrence of internal reforming of hydrocarbons and carbon dioxide concomitantly with the coproduction of a syngas and electricity, and overcomes the shortcomings associated with the catalytic deactivation due to carbon deposition and the high-energy consumption.Type: ApplicationFiled: August 11, 2008Publication date: March 5, 2009Applicant: Korea Institute of Science & TechnologyInventors: Dong Ju Moon, Jong Woo Ryu, Jong Min Park, Byung Gwon Lee, Sang Deuk Lee
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Publication number: 20090057132Abstract: A zinc oxide thin film having desired crystallinity is fabricated. The present invention provides a zinc oxide thin film which laminated on a substrate, and which is a crystalline thin film of a wurtzite form. The c-axis of the crystalline thin film is oriented in a direction substantially perpendicular to the substrate. A zinc surface of being one polar surface of the crystalline thin film in the c-axis direction is formed in the uppermost layer. In addition, the invention also provides a zinc oxide thin film which is laminated on a substrate, and which is a crystalline thin film of a wurtzite form. The zinc oxide thin film is formed on a metal thin film layer by a thin film fabricating technique.Type: ApplicationFiled: August 13, 2008Publication date: March 5, 2009Inventors: Yasuo Imanishi, Etsuko Nishimura
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Publication number: 20090050476Abstract: The invention involves a Zr/ZrO2 electrode that consists of a piece of Zr wire and a ZrO2 film formed over the surface of the part of the Zr wire for the use of measuring end in the probe section. An insulating layer and a sealing structure are put in place on the non-probe section and the non-conducting wire connection section of said electrode, while the Zr wire at the other end is applied for circuit connection. The invention also provides a type of integrated high-temperature/high-pressure chemical sensors, which includes one Zr/ZrO2 electrode and also 2 to 5 electrodes that can combine with the Zr/ZrO2 electrode to measure pH value, H2 value, H2S value and Eh value in high-temperature/high-pressure conditions, together constructing the integrated chemical sensors capable of measuring at least two kinds of parameters.Type: ApplicationFiled: March 21, 2006Publication date: February 26, 2009Inventors: Ronghua Zhang, Shumin Hu, Xuetong Zhang
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Publication number: 20090053606Abstract: A surface treated anode and a lithium battery using the same are provided. The surface treated anode includes a current collector, and an anode active material layer formed on the current collector. The anode active material layer is treated with an amine group containing compound.Type: ApplicationFiled: March 25, 2008Publication date: February 26, 2009Applicant: Samsung SDI Co., Ltd.Inventors: GUE-SUNG KIM, Dong-min Im, Seok-Gwang Doo, Young-su Chung
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Publication number: 20090053399Abstract: An electrode mixture paste (5) is applied on both sides of a strip of core material (1) as it runs along its lengthwise direction, and the coating thickness of the paste (5) is adjusted as the core material (1) coated with the paste (5) passes through a gap between a pair of scraper tools (16a, 16b). Tips (18) provided to the scraper tools (16a, 16b) scrape off the paste (5) to form a paste-coated portion of a predetermined width. The electrode mixture paste (5) scraped off with the tips (18) is returned through recesses (19) on the upstream side of the tips (18) in the running direction of the core material, so as to prevent the phenomenon where the coating thickness is increased at both side edges of the paste-coated portion. Thus, a method for applying electrode mixture paste is realized that can prevent the phenomenon where the coating thickness is increased at both side edges of the paste-coated portion and prevent process failures such as deformation of paste-coated sheet.Type: ApplicationFiled: April 11, 2006Publication date: February 26, 2009Inventors: Kimihiro Imamura, Hiroyuki Usui, Tadakazu Seto
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Publication number: 20090052114Abstract: A multilayer electronic component includes a base body, internal electrodes disposed inside the base body and extending to exterior surfaces thereof, and terminal electrodes provided on the exterior surfaces of the base body and connected to the internal electrodes. The terminal electrodes include first electrode layers defined by plating layers, and preferably electroplating layer, and second electrode layers made of a conductive resin and provided on the first electrode layers.Type: ApplicationFiled: November 3, 2008Publication date: February 26, 2009Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Akihiro MOTOKI, Makoto OGAWA, Yuji UKUMA
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Publication number: 20090053607Abstract: The electrode for a rechargeable lithium battery includes a current collector and an active material layer disposed on the current collector. The active material layer has pores inside the active material layer. Porosity of the active material layer is higher than 50% and equal to or less than 70%. The pores formed inside the active material layer buffer against volume change that occurs during charges and discharges, and thereby improve cycle-life characteristic of a rechargeable lithium battery.Type: ApplicationFiled: June 5, 2008Publication date: February 26, 2009Inventors: Goo-Jin Jeong, Nam-Soon Choi, Sang-Min Lee, Min-Seok Sung, Yong-Mook Kang, Sung-Soo Kim
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Publication number: 20090053561Abstract: Disclosed is a method of preparing a catalyst and a resultant coated substrate. An example method for preparing a catalyst includes dissolving a precursor salt in water to create a dissolved precursor salt. In addition, the method includes adding an ultra-violet sensitizer to the dissolved precursor salt to create a photo emulsion and mixing the photo emulsion with at least one of a surfactant or a stabilizer to create a modified photo emulsion. Further, the modified photo emulsion is applied to a substrate to create a coated substrate, and then the coated substrate is exposed to ultra-violet light. Further, the example method comprises washing the coated substrate after exposing the coated substrate to ultra-violet light and drying the coated substrate after washing the coated substrate.Type: ApplicationFiled: May 8, 2007Publication date: February 26, 2009Inventors: Juan Jiang, Albert E. Miller
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Publication number: 20090045736Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes: a substrate; a first electrode on the substrate; an organic layer on the first electrode, and including a white emission layer including a mixed host having a first host and a second host having a different polarity from the first host; and a second electrode on the organic layer.Type: ApplicationFiled: August 14, 2008Publication date: February 19, 2009Inventors: Sam-Il Kho, Byeong-Wook Yoo, Sun-Hee Lee, Sang-Bong Lee
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Publication number: 20090044598Abstract: An oxygen sensor and a method for manufacturing the oxygen sensor are provided. The oxygen sensor includes a zirconia layer having first and second sides. The second side is opposite the first side. The oxygen sensor further includes a first electrode disposed on the first side of the zirconia layer. The oxygen sensor further includes a second electrode disposed on the second side of the zirconia layer. The oxygen sensor further includes a porous channel structure configured to route air therethrough to the first electrode while preventing hydrocarbons from flowing therethrough and contacting the first electrode, such that a signal between the first and second electrodes is indicative of an amount of oxygen in exhaust gases contacting the second electrode.Type: ApplicationFiled: August 15, 2007Publication date: February 19, 2009Inventors: Richard C. Kuisell, Michel Carle
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Publication number: 20090038681Abstract: Ozone treated carbon electrodes can provide increased catalytic activity, such as in a dye-sensitized solar cell (DSSC) or other electrochemical device or other device that could benefit from an increased catalytic activity, such as lithium ion or other batteries, hydrogen fuel cells, or electroanalytical instruments. Devices, methods of making, and methods of using are discussed.Type: ApplicationFiled: August 1, 2008Publication date: February 12, 2009Applicant: Columbia University/The Trustees of Columbia University in the City of New YorkInventors: Jessika E. Trancik, James C. Hone
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Publication number: 20090035633Abstract: An iterative process of depositing on a solid electrolyte a coating of unconnected particles composed of an ionically conductive material. A liquid solution is also applied. The liquid solution includes an inorganic component. The deposited liquid is heated to a temperature sufficient to evaporate or otherwise remove some or all of the volatile components of the liquid solution. Typically the temperature is below 1000° and often at about 850° C. The effect of heating the solution is to cause ion conducting material in the solution to adhere to the surface of the existing ion conducting particles and form connections between these particles. This is understood to create an ion conducting skeletal support structure. Within the intrestices of this skeletal support structure, the step of heating is also understood to result in the deposition of the inorganic component that will begin to form a electron conducting structure.Type: ApplicationFiled: August 3, 2007Publication date: February 5, 2009Applicant: Lilliputian Systems, Inc.Inventors: John Rule, Samuel B. Schaevitz, Zachary Byars, Ramanan Ganeshananthan, Atul Verma, Vladimir Petrovsky
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Publication number: 20090032777Abstract: Disclosed is a carbon nanotube dispersion liquid which enables to easily form a transparent conductive film. Also disclosed is a transparent conductive film obtained by using such a carbon nanotube dispersion liquid. Specifically disclosed is a carbon nanotube dispersion liquid containing a carbon nanotube (A), a dispersing agent (B) composed of an organic compound containing one of a carboxyl group, epoxy group, amino group and sulfonyl group and having a boiling point of not less than 30˚C and not more than 150˚C, and a solvent (C). Also disclosed are a transparent conductive film containing a layer composed of a solid component of such a dispersion liquid, and a method for producing such a transparent conductive film.Type: ApplicationFiled: June 6, 2006Publication date: February 5, 2009Applicant: KURARAY CO., LTD.Inventors: Takahiro Kitano, Masayasu Ogushi
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Publication number: 20090032394Abstract: An embodiment provides an ionic polymer device comprising two extended electrode layers comprising a plurality of conductive particles, wherein the plurality of conductive particles form a concentration gradient in each of the two extended electrode layers, an ionic polymer dielectric layer between two extended electrode layers, and at least one conductive layer on outer surfaces of two extended electrode layers. Another embodiment provides an ionic polymer device comprising a polymer composite with a plurality of surface features on two opposite surfaces, and at least one conductive layer on each of said two opposite surfaces. One embodiment provides a method of making an ionic polymer device, comprising forming a partially cured polymer-metallic salt layer, reducing the metallic salt to form a plurality of metal particles, thereby forming a first extended electrode layer and a second extended electrode layer at and near opposite surfaces of the ionic polymer device.Type: ApplicationFiled: January 23, 2007Publication date: February 5, 2009Applicants: HITACHI CHEMICAL CO., LTD., HITACHI CHEMICAL RESEARCH CENTER, INC.Inventors: Yongxian Wu, Yangyang Li
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Publication number: 20090032781Abstract: A new hybrid nanoparticle, i.e., a nanorice particle, which combines the intense local fields of nanorods with the highly tunable plasmon resonances of nanoshells, is described herein. This geometry possesses far greater structural tunability than previous nanoparticle geometries, along with much larger local field enhancements and far greater sensitivity as a surface plasmon resonance (SPR) nanosensor than presently known dielectric-conductive material nanostructures. In an embodiment, a nanoparticle comprises a prolate spheroid-shaped core having a first aspect ratio. The nanoparticle also comprises at least one conductive shell surrounding said prolate spheroid-shaped core. The nanoparticle has a surface plasmon resonance sensitivity of at least 600 nm RIU?1. Methods of making the disclosed nanorice particles are also described herein.Type: ApplicationFiled: March 2, 2007Publication date: February 5, 2009Inventors: Hui Wang, Daniel Brandl, Fei Le, Peter Nordlander, Naomi J. Halas
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Publication number: 20090027833Abstract: Provided are a surface-coated polymer actuator and a method of preparing the same. The polymer actuator includes an ionic conductive polymer membrane, metal electrodes formed on both surfaces of the ionic conductive polymer membrane, and coating layers formed on both the surfaces of the metal electrodes. By coating the surfaces of the metal electrodes of the polymer actuator, the leakage of solvent from the electrode surfaces due to an inner pressure, which is caused by the solvent's flow due to an electrical stimulus when the actuator is operated, can be prevented and thus the displacement and drivability of the polymer actuator can be improved.Type: ApplicationFiled: July 24, 2008Publication date: January 29, 2009Applicant: Electronics and Telecommunications Research InstituteInventors: Hyung Kun Lee, Nak Jin Choi, Kang Ho Park, Jong Dae Kim
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Publication number: 20090027036Abstract: The present invention generally relates to the fabrication of molecular electronics devices from molecular wires and Single Wall Nanotubes (SWNT). In one embodiment, the cutting of a SWNT is achieved by opening a window of small width by lithography patterning of a protective layer on top of the SWNT, followed by applying an oxygen plasma to the exposed SWNT portion. In another embodiment, the gap of a cut SWNT is reconnected by one or more difunctional molecules having appropriate lengths reacting to the functional groups on the cut SWNT ends to form covalent bonds. In another embodiment, the gap of a cut SWNT gap is filled with a self-assembled monolayer from derivatives of novel contorted hexabenzocoranenes. In yet another embodiment, a device based on molecular wire reconnecting a cut SWNT is used as a sensor to detect a biological binding event.Type: ApplicationFiled: June 13, 2008Publication date: January 29, 2009Applicant: The Trustees Of Columbia University In The City Of New YorkInventors: Colin Nuckolls, Xuefeng Guo, Philip Kim, Shengxiong Xiao, Mathew Benjamin Myers
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Publication number: 20090029255Abstract: A secondary-battery current collector comprising an aluminum foil and a film containing an ion-permeable compound and carbon fine particles formed thereon or a secondary-battery current collector comprising an aluminum foil, a film containing an ion-permeable compound and carbon fine particles formed thereon as the lower layer, and a film containing a binder, carbon fine particles and a cathodic electroactive material formed thereon as the upper layer, a production method of the same, and a secondary battery having the current collector are provided.Type: ApplicationFiled: February 10, 2006Publication date: January 29, 2009Applicant: Showa, Denko K.K.Inventor: Masahiro Ohmori
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Publication number: 20090029034Abstract: A coating system, for use in reducing air burn oxidation of a carbon anode of an aluminium electrolytic smelter, includes a pre-coat and a top coat which together enable protection of the anode when applied thereover. The pre-coat contains finely divided carbonaceous material dispersed in a solution of a suitable binder. The top coat contains finely divided particulate material, comprising at least one of alumina and cryolite, dispersed in a solution of a suitable binder.Type: ApplicationFiled: October 27, 2005Publication date: January 29, 2009Inventors: Mahnaz Jahedi, Enzo Gulizia, Chull Hee Oh, Stefan Gulizia
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Publication number: 20090022881Abstract: An electron-emitting device and a fabricating method thereof are provided. First, a substrate, having a first side and a second side which is opposite to the first side, is provided. Afterwards, a first electrode pattern layer is formed on the first side of the substrate. Next, a conductive pattern layer is formed on the substrate and the first electrode pattern layer. After that, an electron-emitting region is formed in the conductive pattern layer. Then, a second electrode pattern layer is formed on the second side of the substrate and partially covers the conductive pattern layer. The fabricating method has a simple fabricating process and a low fabricating cost.Type: ApplicationFiled: December 25, 2007Publication date: January 22, 2009Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chih-Hao Tsai, Kuan-Jung Chen, Fu-Ming Pan, Mei Liu, Chi-Neng Mo
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Publication number: 20090020422Abstract: Sensor assemblies for analyzing NO and NO2 concentrations in an emission gas and method for fabricating such sensor assemblies are provided. A sensor assembly comprises a first sensor having a first barium tungstate film. The first sensor is configured to detect a concentration of NOx in the gas and to provide a first signal associated with the concentration of NOx. NOx represents a combination of NO2 and NO. The sensor assembly also comprises a second sensor disposed in a stationary position relative to the first sensor and having a second barium tungstate film. The second sensor is configured to detect a concentration of one of NO2 and NO in the gas and to provide a second signal associated with the concentration of the one of NO2 and NO.Type: ApplicationFiled: July 18, 2007Publication date: January 22, 2009Applicant: HONEYWELL INTERNATIONAL, INC.Inventors: Raju Raghurama A., Joseph K. Boby, Sanjeeb Tripathy
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Publication number: 20090023033Abstract: A method for manufacturing a catalyst-supporting carrier composed of a catalyst-supporting carbon and a polyelectrolyte, and including a carbon having pores to support a catalyst, introducing a functional group functioning as a polymerization initiator to the surface and/or in the pores of the catalyst-supporting carbon, introducing an electrolyte monomer and thereby grafting it onto the catalyst supporting carbon carrier for polymerizing by radical polymerization, and hydrolyzing at least part of the polymerized polyelectrolyte by a strong alkali. By using this catalyst-supporting carrier, electrode reaction is effectively facilitated, and the fuel-cell electrical efficiency can be improved. Further, an electrode having excellent properties and a polymer electrolyte fuel cell provided with such electrode and capable of obtaining high cell output are provided.Type: ApplicationFiled: January 30, 2007Publication date: January 22, 2009Inventors: Akira Tsujiko, Masahiro Ueda
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Publication number: 20090020424Abstract: A sensor element that may include a contamination-resistant coating on at least a portion thereof. The coating may include gamma alumina and a high temperature binder such as magnesium titanate. A sensor element that may include a contamination-resistant coating on at least a portion thereof. The coating may include gamma alumina, a high temperature binder such as magnesium titanate, and boehmite alumina. A method of making a contamination-resistant sensor element that may include mixing gamma alumina and a high temperature binder such as magnesium titanate to form a mixture, applying the mixture to at least a portion of a sensor element, and temperature treating the mixture to form a contamination-resistant coating on the sensor element.Type: ApplicationFiled: June 27, 2008Publication date: January 22, 2009Applicant: Robert Bosch GmbHInventors: Jens Stefan Schneider, James Richard Waldrop, Velma Viane Massey, Donald Stanley Frost, JR.
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Publication number: 20090017378Abstract: Particles comprising a core and a coat covering at least part of the core surface. The core has more than 50% of an acidic metal oxide and the core coating is based on a polymer, preferably based on a soiled polymer with high electrochemical stability. The particle has a solubility rate (ts), in fixed time, of the metal oxide migrating towards the electrolyte, per cycle, which is less than 5 per 10000. The particles are obtained by mixing the polymer and a metal oxide, via dry process with addition of solvent. The electrodes constituting an electrode substrate at least partly coated with a mixture consisting of at least 40 of those particles have remarkable electrochemical properties, in particular regarding the lifetime of batteries in which they are incorporated.Type: ApplicationFiled: January 24, 2007Publication date: January 15, 2009Applicant: HYDRO-QUEBECInventors: Patrick Charest, Michel Perrier, Martin Dontigny, Michel Petitclerc, Abdelbast Guerfi, Karim Zaghib
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Publication number: 20090017194Abstract: The present invention provides a process for making a battery cathode material with improved properties in lithium ion batteries. In one embodiment, the process comprises synthesizing a lithium metal polyanionic (LMP) powder. The process further comprises precipitating a carbonaceous coating on to the LMP powder to form a coated LMP powder. Additionally, the process comprises stabilizing and then carbonizing the coated LMP powder to produce the battery cathode material. The charge capacity, coulombic efficiency, and cycle life of the battery cathode material is better than those of the uncoated LMP powder.Type: ApplicationFiled: January 9, 2007Publication date: January 15, 2009Applicant: CONOCOPHILLIPS COMPANYInventors: Zhenhua Mao, Edward J. Nanni, Eric T. Lind
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Publication number: 20090014062Abstract: A metal oxide dispersion comprising metal oxide particles with a necking structure, and a solvent, wherein the liquid droplet contact angle of the metal oxide dispersion to an ITO film (Indium-Tin Oxide type film) formed is from 0 to 60°. A metal oxide dispersion for the production of a dye-sensitized solar cell electrode, comprising Metal Oxide Particle Group F having a necking structure formed by m connected particles, Metal Oxide Particle Group G having only 0.2 m or less connected particles, and a solvent, and being formable into a film at 200° C. or less. A metal oxide electrode comprising an electrically conducting substrate having thereon a metal oxide layer comprising metal oxide particles bound by a binder, wherein the binder content is from 0.005 to 5 mass % based on the metal oxide film and the metal oxide layer has a pencil scratch strength of H or more according to JIS5600.Type: ApplicationFiled: January 21, 2005Publication date: January 15, 2009Applicant: SHOWA DENKO K.K.Inventors: Susumu Kayama, Yasuaki Wakizaka, Kunio Kondo
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Publication number: 20090008712Abstract: Disclosed is a carbon nanotube (CNT) thin film having metallic nanoparticles. The CNT thin film includes a plastic transparent substrate and a CNT composition coated on the substrate. The CNT composition includes a CNT and metallic nanoparticles distributed on the CNT surface. The plastic transparent substrate is flexible. The metallic nanoparticles are formed by heating a metallic precursor adsorbed in the CNT surface. A method of manufacturing the CNT thin film having metallic nanoparticles is also disclosed. A CNT-dispersed solution is prepared by mixing a CNT with a dispersant or a dispersion solvent. The CNT-dispersed solution is used to form a CNT thin film. Metallic precursors are implanted in the CNT thin film. Then, a heat-treatment is applied to transform the metallic precursors into metallic particles including metallic nanoparticles.Type: ApplicationFiled: April 2, 2008Publication date: January 8, 2009Applicant: SAMUSUNG ELECTRONICS, CO., LTD.Inventors: Seong Jae CHOI, Hyeon Jin SHIN, Seonmi YOON, In Yong SONG, Jaeyoung CHOI
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Publication number: 20090011337Abstract: A separator which includes a covering layer in which a fine framework of polyolefin resin is coated with a glass layer and an exposed layer in which the polyolefin resin is exposed is provided. A battery is provided having a cathode and an anode, an electrolyte, and a separator where the separator has the covering layer in which the fine framework of polyolefin resin is coated with the glass layer and a method for manufacturing a separator including the step of coating a fine framework of polyolefin resin with the glass layer by applying a precursor containing viscous liquid product which contains only polysilazane compound or a mixture of viscous liquid product which contains only polysilazane compound with polycarbosilazane compound to the polyolefin resin and placing the precursor applied polyoleline resin in a water bath to dry.Type: ApplicationFiled: July 2, 2008Publication date: January 8, 2009Applicant: SONY CORPORATIONInventors: Atsushi Kajita, Yukako Teshima, Hiroshi Imoto, Takehiko Tanaka, Hiroshi Horiuchi
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Publication number: 20090008244Abstract: Composite particles for an electrode comprising LiVOPO4 particles and a metal, wherein the metal is supported on at least a portion of the surface of the LiVOPO4 particles to form a metal coating layer.Type: ApplicationFiled: April 17, 2008Publication date: January 8, 2009Applicant: TDK CorporationInventors: Tadashi SUZUKI, Hisashi SUZUKI
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Publication number: 20090008361Abstract: A composition that may be used for cleaning a metal containing conductor layer, such as a copper containing conductor layer, within a microelectronic structure includes an aqueous acid, along with an oxidant material and a passivant material contained within the aqueous acid. The composition does not include an abrasive material. The composition is particularly useful for cleaning a residue from a copper containing conductor layer and an adjoining dielectric layer that provides an aperture for accessing the copper containing conductor layer within a microelectronic structure.Type: ApplicationFiled: July 6, 2007Publication date: January 8, 2009Applicants: INTERNATIONAL BUSINESS MACHINES CORPORATION, INFINEON TECHNOLOGIES NORTH AMERICA CORP.Inventors: John A. Fitzsimmons, David L. Rath, Shom Ponoth, Michael Beck
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Publication number: 20090004366Abstract: To provide a process for producing an electrode-formed glass substrate, which is capable of suppressing warpage without lowering the strength of a front substrate of a plasma display device. Electrodes formed on a glass substrate are covered with a lead-free glass comprising, as represented by mass %, from 30 to 50% of B2O3, more than 25% and at most 35% of SiO2, from 10 to 25% of ZnO, from 7 to 19% in total of K2O and either one or both of Li2O and Na2O, from 0 to 5% of Al2O3, from 0 to 5% of MgO+CaO+SrO+BaO, and when the molar fractions of Li2O, Na2O and K2O are represented by l, n and k, respectively, l is at most 0.025, and l+n+k is from 0.07 to 0.17.Type: ApplicationFiled: June 4, 2008Publication date: January 1, 2009Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hitoshi ONODA, Satoshi FUJIMINE, Kenji IMAKITA, Yasuko OSAKI, Hiroyuki YAMAMOTO