Iron Group Metal (iron, Cobalt, Nickel) Patents (Class 252/513)
-
Publication number: 20100006325Abstract: A printed wiring board includes a first conductive paste forming a wiring pattern, and a second conductive paste including kneaded first conductive material and second conductive material whose particles are finer than those of the first conductive material.Type: ApplicationFiled: July 1, 2009Publication date: January 14, 2010Inventors: Masayuki KITAJIMA, Takeshi Ishitsuka, Satoshi Emoto
-
Publication number: 20100009083Abstract: A chromium-free conversion coating is prepared by the addition of inorganic salts to dispersions of conducting polymers which are then exposed to alloys of aluminum or other metals. Advantageously, the performance of the coating is comparable to that of known Cr (chromium)-based methods for a number of aluminum alloys having particular significance in the manufacture of aircraft.Type: ApplicationFiled: July 24, 2007Publication date: January 14, 2010Applicant: THE BOEING COMPANYInventors: Francisco Jesus Cano-Iranzo, Uxoa Izagirre-Etxeberria, Oihana Zubillaga-Alcorta, Patricia Santa Coloma-Mozo, Nieves Lapena-rey
-
Publication number: 20100002282Abstract: This invention discloses corrosion resistant metal compositions that may be used to form nanoparticles or for coating of particles. Further, such particles may be used to fabricate printable transparent conductors that may be used in electronic devices. Electrochromic displays formed using such conductors are described.Type: ApplicationFiled: July 2, 2009Publication date: January 7, 2010Applicant: AJJER LLCInventors: Anoop Agrawal, John P. Cronin
-
Publication number: 20090321689Abstract: Disclosed is a method for producing a fine particle dispersion such as a dispersion of metal fine particles which is superior in dispersibility and storage stability. Specifically disclosed is a method for producing a fine particle dispersion wherein fine particles of a metal or the like, having a mean particle diameter of between 1 nm and 150 nm for primary particles, are dispersed in an organic solvent.Type: ApplicationFiled: July 25, 2007Publication date: December 31, 2009Inventors: Takuya Harada, Hidemichi Fujiwara, Kazuhiro Takashiba, Nobumitsu Yamanaka, Yusuke Yamada, Hideo Nishikubo, Takashi Unno
-
Publication number: 20090321690Abstract: The invention provides a nickel-rhenium alloy powder that comprises nickel as a main component, 0.1 to 10% by weight of rhenium and 50 to 10,000 ppm of silicon in terms of silicon atoms, and that is suitable, in particular, for the formation of an internal electrode layer for a multilayer ceramic electronic component. The obtained powder is homogeneously mixed and dispersed in an organic vehicle, together with other additives as needed, to prepare a conductor paste. When used in particular for forming an internal electrode of a multilayer ceramic electronic component, the nickel-rhenium alloy powder of the invention delays sintering initiation and slows down sintering progress during firing, even for extremely fine powders, while bringing the sintering shrinkage behaviors of electrode layers and ceramic layers closer to each other. Moreover, there occurs no electrode spheroidizing caused by oversintering. A thinner, dense internal electrode having excellent continuity can be formed as a result.Type: ApplicationFiled: September 25, 2007Publication date: December 31, 2009Inventors: Yuji Akimoto, Kazuro Nagashima, Tetsuya Kimura, Yasuhiro Kamahori
-
Publication number: 20090321691Abstract: A kind of manufacturing method for dual functions with varistor material and device has one of the characteristics among capacitance, inductance, voltage suppressor and thermistor in addition to surge absorbing characteristic, which microstructural compositions include a glass substrate with high resistance and three kinds of low-resistance conductive or semiconductive particles in micron, submicron and nanometer size uniformly distributed in the glass substrate to provide with good surge absorbing characteristic.Type: ApplicationFiled: September 3, 2009Publication date: December 31, 2009Applicant: LEADER WELL TECHNOLOGY CO., LTD.Inventors: Yu-Wen Tan, Jie-An Zhu, Li-Yun Zhang
-
Publication number: 20090321113Abstract: Methods of enhancing contrast ratio of conductive nanostructure-based transparent conductors are described. Contrast ratio is significantly improved by reduction of light scattering and reflectivity of the nanostructures through steps of plating the conductive nanostructures followed by etching or oxidizing the underlying conductive nanostructures.Type: ApplicationFiled: April 18, 2008Publication date: December 31, 2009Applicant: CAMBRIOS TECHNOLOGIES CORPORATIONInventors: Pierre-Marc Allemand, Manfred Heidecker, Michael A. Spaid, Haixia Dai
-
Patent number: 7635439Abstract: The present invention relates generally to a static dissipative textile having an electrically conductive surface achieved by coating the textile with an electrically conductive coating in a variety of patterns. The electrically conductive coating is comprised of a conducting agent and a binding agent, and optionally a dispersing agent and/or a thickening agent. The static dissipative textile generally comprises a fabric which may be screen printed or otherwise coated with a conductive coating on the backside of the fabric so that the conductive coating does not interfere with the appearance of the face of the fabric. The economically produced fabric exhibits relatively permanent static dissipation properties and conducts electric charge at virtually any humidity, while the conductive coating does not detrimentally affect the overall appearance or tactile properties of the fabric.Type: GrantFiled: April 20, 2006Date of Patent: December 22, 2009Assignee: Milliken & CompanyInventors: Andrew D. Child, Alfred R. DeAngelis
-
Publication number: 20090301553Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells. The thick film conductor compositions include one or more electrically functional powders and one or more glass frits dispersed in an organic medium. The thick film compositions may also include one or more additive(s). Exemplary additives may include metals, metal oxides or any compounds that can generate these metal oxides during firing.Type: ApplicationFiled: June 8, 2009Publication date: December 10, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Takuya Konno, Brian J. Laughlin, Hisashi Matsuno
-
Publication number: 20090294739Abstract: The invention provides a conductive paste including a carbon nanotube and a printed circuit board using the same. The invention provides the conductive paste which exhibits an excellent electrical conductivity and allows the implementation of the X-Y interconnection and simultaneously the Z-interconnection without loosing the carbon nanotube's own original characteristics.Type: ApplicationFiled: November 3, 2008Publication date: December 3, 2009Inventors: Eung-Suek Lee, Je-Gwang Yoo, Chang-Sup Ryu, Jun-Oh Hwang, Tae-Eun Chang, Jee-Soo Mok
-
Publication number: 20090295267Abstract: A paste composition for forming an electrode includes: Component A: a conductive powder; Component B: a glass frit having a transmittance of about 65% or less at a wavelength of 550 nm; Component C: an organic binder; and Component D: a solvent.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Inventors: Sang Hee Park, Deok Young Choi, Byung Cheol Lee, Hee In Nam, Hyun Don Kim
-
Publication number: 20090297836Abstract: A sensor system that detects a current representative of a compound in a liquid mixture features a multi or three electrode strip adapted for releasable attachment to signal readout circuitry. The strip comprises an elongated support which is preferably flat adapted for releasable attachment to the readout circuitry; a first conductor and a second and a third conductor each extend along the support and comprise means for connection to the circuitry. The circuit is formed with single-walled or multi walled nanotubes conductive traces and may be formed from multiple layers or dispersions containing, carbon nanotubes, carbon nanotubes/antimony tin oxide, carbon nanotubes/platinum, or carbon nanotubes/silver or carbon nanotubes/silver-chloride.Type: ApplicationFiled: August 2, 2007Publication date: December 3, 2009Applicant: MysticMD Inc.Inventor: Joel S. Douglas
-
Publication number: 20090291608Abstract: Disclosed is a gasket having electric and adhesive properties as well as electromagnetic wave shielding functions and a method for manufacturing the same. The gasket includes an adhesive polymer sheet having electrical conductivity and being disposed in the longitudinal and transverse directions of an electroconductive substrate, so that the gasket has impact and vibration absorbing properties in addition to an adhesive property.Type: ApplicationFiled: June 29, 2007Publication date: November 26, 2009Inventors: Jeongwan Choi, Hun Jeong, Won-Sik Kim
-
Publication number: 20090274834Abstract: A method of forming conductive features on a substrate from a solution of metal nanoparticles by providing a depositing solution and liquid depositing the depositing solution onto a substrate. The depositing solution is then heated to a temperature below about 140° C. to anneal the first and second nanoparticles and remove any reaction by-products. The depositing solution may be comprised of a mixture of first metal nanoparticles and second metal nanoparticles or a combination of first metal nanoparticles and a soluble second metal nanopartical precursor. Furthermore, the average diameter of the first metal nanoparticles is about 50 nm to about 100 ?m and the average diameter of the second metal nanoparticles is about 0.5 nm to about 20 nm.Type: ApplicationFiled: May 1, 2008Publication date: November 5, 2009Applicant: XEROX CORPORATIONInventors: Naveen Chopra, Yiliang Wu, Peter M. Kazmaier
-
Publication number: 20090266409Abstract: Embodiments of the invention relate to a silicon semiconductor device, and a conductive paste for use in the front side of a solar cell device.Type: ApplicationFiled: April 13, 2009Publication date: October 29, 2009Applicant: E.I.DU PONT DE NEMOURS AND COMPANYInventors: YUELI Wang, ALAN Frederick Carroll
-
Publication number: 20090261305Abstract: A composition for use, for example, in an electrode in a Nickel-Metal-Hydride battery is provided that consists of metal hydrides together with a certain percentage of nano-sized reactive metal particles, preferably either nickel, manganese, aluminum, cobalt, copper, tin, palladium, silver, gold, lanthanum, and/or alloys thereof. The addition of nano-metals enhances the hydrogen charging characteristics of the battery.Type: ApplicationFiled: April 21, 2009Publication date: October 22, 2009Applicant: QUANTUMSPHERE, INC.Inventors: Daniel F. CARROLL, Kimberly McGRATH, Keith KEPLER
-
Publication number: 20090255584Abstract: A thick film conductive composition comprising electrically conductive material, rhodium-containing additive, one or more glass frits, and an organic medium.Type: ApplicationFiled: April 9, 2009Publication date: October 15, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: ALAN FREDERICK CARROLL
-
Publication number: 20090258241Abstract: A conductive coating film is formed on a substrate by bringing a conductive material covered with a protective material into contact with a material having anion exchange ability, through such a process wherein an anion exchange layer containing a material having anion exchange ability is formed on a substrate and then a layer containing a conductive material covered with a protective material is formed on the anion exchange layer, or alternatively through such a process wherein a layer containing a conductive material covered with a protective material is formed on a substrate and then an anion exchange layer containing a material having anion exchange ability is formed on the layer containing a conductive material. The anion exchange layer and the layer containing a conductive material may be formed by coating, printing or the like.Type: ApplicationFiled: April 26, 2007Publication date: October 15, 2009Inventors: Kinya Shiraishi, Kaori Sakaguchi
-
Patent number: 7601197Abstract: In an ultrafine metal powder slurry containing an organic solvent, a surfactant, and an ultrafine metal powder, the surfactant is oleoyl sarcosine, the content of the ultrafine metal powder in the ultrafine metal powder slurry is 70 to 95 percent by mass, and more than 0.05 to less than 2.0 parts by mass of the surfactant is contained relative to 100 parts by mass of the ultrafine metal powder. By the above slurry, reduction in labor and treatment time can be realized in a conductive paste forming process. In addition, since aggregation of particles of the ultrafine metal powder is prevented, an ultrafine metal powder slurry can be provided having superior dispersibility and dry film density.Type: GrantFiled: May 8, 2008Date of Patent: October 13, 2009Assignee: JFE Mineral Company, Ltd.Inventor: Morishige Uchida
-
Publication number: 20090250508Abstract: A joint compound for electrical connections is disclosed which includes an antioxidant base material and a quantity of stainless steel grit mixed with the antioxidant base material to provide improved mechanical pullout strength. The joint compound has a weight ratio of antioxidant to stainless steel grit in the range of from about 30:70 to about 90:10, preferably, from about 40:60 to about 70:30, and more preferably about 50:50. The stainless steel grit is cut wire having a diameter within the range of from about 0.012 inches to about 0.125 inches, with a preferred diameter within the range of from about 0.012 inches to about 0.030 inches, and 0.017 inches being a more preferred stainless steel grit diameter. In a method for forming an electrical connection between electrical components, a joint compound as described is applied to mating surfaces of either a suitable connector, the components to be coupled together, or both.Type: ApplicationFiled: April 4, 2008Publication date: October 8, 2009Applicant: PANDUIT CORP.Inventors: Robert L. Sokol, Christopher R. Haczynski
-
Publication number: 20090250667Abstract: A metal particle dispersion liquid comprises: a compound including a sulfur atom; metal particles whose diameter ranges from 1 to 100 nm and made of a material including a precious metal material; and a dispersion medium. The metal particles is covered by the compound.Type: ApplicationFiled: June 12, 2009Publication date: October 8, 2009Applicant: Seiko Epson CorporationInventors: Masahiro Furusawa, Rumi Shinagawa, Toshimi Fukui, Junko Nakamoto, Kuninori Obata
-
Publication number: 20090250106Abstract: A composition for manufacturing an electrode of a solar cell, comprising metal nanoparticles dispersed in a dispersive medium, wherein the metal nanoparticles contain silver nanoparticles of 75 weight % or more, the metal nanoparticles are chemically modified by a protective agent having a main chain of organic molecule comprising a carbon backbone of carbon number of 1 to 3, and the metal nanoparticles contains 70% or more in number-average of metal nanoparticles having a primary grain size within a range of 10 to 50 nm.Type: ApplicationFiled: March 20, 2007Publication date: October 8, 2009Inventors: Toshiharu Hayashi, Yoshiaki Takata, Kazuhiko Yamasaki
-
Patent number: 7595009Abstract: A coating system for ferrous and nonferrous metal substrates that provides cathodic protection from corrosion by coating with inherently conductive polymers and sacrificial anodic metal particles. The coating system is formed by a process that includes premixing of the inherently conductive polymer with the anodic metal particles to form an inherently conductive polymer/metal particle complex.Type: GrantFiled: May 2, 2006Date of Patent: September 29, 2009Assignee: Polyone CorporationInventors: Steven K. Geer, Todd R. Hawkins
-
Publication number: 20090233424Abstract: The present invention generally relates to a semiconductor film and a method of depositing the semiconductor film. The semiconductor film comprises oxygen, nitrogen, and one or more elements selected from the group consisting of zinc, cadmium, gallium, indium, and tin. Additionally, the semiconductor film may be doped. The semiconductor film may be deposited by applying an electrical bias to a sputtering target comprising the one or more elements selected from the group consisting of zinc, cadmium, gallium, indium, and tin, and introducing a nitrogen containing gas and an oxygen containing gas. The sputtering target may optionally be doped. The semiconductor film has a mobility greater than amorphous silicon. After annealing, the semiconductor film has a mobility greater than polysilicon.Type: ApplicationFiled: March 14, 2008Publication date: September 17, 2009Inventor: YAN YE
-
Patent number: 7588698Abstract: A circuit coupling adhesive which is superior in heat resistance and moisture resistance is provided. The circuit coupling adhesive of the present invention can be used for purposes where high performing reliability is required, since it exhibits satisfactory electroconductive/insulative performance at connection of electrodes, etc. and the characteristics will not be varied so much even after a long period of use in a high temperature and high humidity environment. The circuit coupling adhesive comprises, as the essential ingredients, an epoxy resin, a latent curing agent, inorganic fillers having an average particle diameter of 500 nm or less, and electro-conductive particles. By mix a sufficient amount of inorganic fillers having an average particle diameter of 500 nm or less, the coefficient of thermal expansion can be decreased and the heat resistance and moisture resistance can be improved.Type: GrantFiled: December 2, 2005Date of Patent: September 15, 2009Assignee: Sumitomo Electric Industries, Ltd.Inventors: Hideaki Toshioka, Masamichi Yamamoto, Kazuhiro Kawabata
-
Publication number: 20090224213Abstract: A variable impedance composition according to this aspect of the present invention comprises a conductive powder in an amount from 10% to 30% of the weight of the variable impedance composition, a semi-conductive power in an amount from 30% to 90% of the weight of the variable impedance composition, and an insulation adhesive in an amount from 3% to 50% of the weight of the variable impedance composition. According to one embodiment of the present invention, the variable impedance material presents a high resistance at a low applied voltage and a low resistance at a high applied voltage. As the variable impedance material is positioned in a gap between two conductors of an over-voltage protection device, the over-voltage protection device as a whole presents a high resistance to a low voltage applied across the gap and a low resistance to a high voltage applied across the gap.Type: ApplicationFiled: March 6, 2008Publication date: September 10, 2009Applicant: POLYTRONICS TECHNOLOGY CORPORATIONInventors: Pao Hsuan Chen, David Shau Chew Wang, Ching Han Yu, Tong Cheng Tsai
-
Publication number: 20090224212Abstract: The present invention includes compositions, surface and bulk modifications, and methods of making of (1?x)Li[Li1/3Mn2/3]O2.xLi[Mn0.5-yNi0.5-yCo2y]O2 cathode materials having an O3 crystal structure with a x value between 0 and 1 and y value between 0 and 0.5, reducing the irreversible capacity loss in the first cycle by surface modification with oxides and bulk modification with cationic and anionic substitutions, and increasing the reversible capacity to close to the theoretical value of insertion/extraction of one lithium per transition metal ion (250-300 mAh/g).Type: ApplicationFiled: September 25, 2007Publication date: September 10, 2009Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEMInventors: Arumugam Manthiram, Yan Wu
-
Publication number: 20090218928Abstract: Cylindrical electrodes (7) are arranged opposite to each other in an internal space (5) of a hermetically sealed glass tube (2) which is filled with a rare gas and a mercury gas. The cylindrical electrodes (7) is mainly composed of nickel (Ni), and one or both of yttrium (Y) and yttrium oxide (YOx) are dispersed in the cylindrical electrodes (7).Type: ApplicationFiled: October 25, 2006Publication date: September 3, 2009Applicant: NEC LIGHTING, LTD.Inventors: Toshikazu Sugimura, Hitoshi Hata, Harushige Sugimura, Satoshi Tamura, Kunio Takahashi, Kazuhiko Yamagishi, Hiroaki Nishikata
-
Publication number: 20090200520Abstract: A composite comprises conductive particles within a binder matrix, the particles being colloidably unstable within a solution and forming a conductive open network within the binder matrix when dried.Type: ApplicationFiled: October 9, 2006Publication date: August 13, 2009Inventors: Christopher L. Bower, Elizabeth A. Simister, Nicholas A. Pightling, Stanley W. Stephenson, III
-
Publication number: 20090202914Abstract: Disclosed herein is a composite material for use as an anode for Li-ion batteries and its preparation method and use. The composite material comprises the components represented by the following formula: Ma1-Xa2—Sed1—Yd2—Cc in which, M represents one or more selected from Sn, Al, Pb, Sb, Si and Bi; X represents one or more selected from Cu, V, Co, Ti, Mo, Mg, W and Zn; Y represents Si and/or Ge; and a1, a2, d1, d2 and c represent the weight ratio of M, X, Se, Y and C to the total amount of M, X, Se, Y and C, respectively, wherein a1+a2 is equal to 0.4-0.7, d1+d2 is equal to 0.05-0.6, c is equal to 0.01-0.25, d2/d1 ranges from 0 to 1/1.4, and a2/a1 ranges from 0 to 1/1.5.Type: ApplicationFiled: December 4, 2008Publication date: August 13, 2009Inventors: Keith D. Kepler, Hongjian Liu
-
Patent number: 7572314Abstract: Carbon-containing nickel-particle powder is provided. The carbon-containing nickel-particle powder has improved shrinkage property when fired due to the presence of carbon. Also, the carbon-containing nickel-particle powder has a very restricted degree of forming agglomerates.Type: GrantFiled: July 9, 2007Date of Patent: August 11, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-young Choi, Soon-ho Kim, Tae-Kyoung Kim, Hak-joon Lee, Seon-mi Yoon
-
Patent number: 7569160Abstract: An ultraviolet or electron beam curable conductive material for use in the electronics industry. The conductive material has a low viscosity and is capable of application to a substrate by high speed printing techniques such as flexography and rotogravure and provides high electrical conductivity following cure. The conductive material comprises one or more oligomers, one or more acrylate carriers, one or more reactive monomers such as vinyl ether, conductive filler and one or more photoinitiators. Optional additional ingredients, such as diluents, dispersants, etc. may be added as desired.Type: GrantFiled: April 10, 2007Date of Patent: August 4, 2009Assignee: Henkel AG & Co. KGaAInventors: Rudie Oldenzijl, Corina Prent
-
Patent number: 7569163Abstract: Polythioether amine resin compounds and compositions comprising the same are disclosed.Type: GrantFiled: March 16, 2007Date of Patent: August 4, 2009Assignee: PRC DeSoto International, Inc.Inventors: Guangliang Tang, Jak H. Aklian, Suresh G. Sawant
-
Publication number: 20090191407Abstract: Coating compositions which reduce the surface emissivity of structural materials or maintain the surface emissivity of structural materials while protecting the structural materials from oxidation, weathering, and physical damage. The compositions comprise a polymerized organic monomer, an optional dispersible electrically conductive material, a catalyst, and a solvent.Type: ApplicationFiled: January 21, 2009Publication date: July 30, 2009Inventors: Ronald J. Lewarchik, Thomas D. Culp
-
Publication number: 20090186219Abstract: Disclosed is an electrically conductive adhesive that includes an electrically conductive powder, a heat-curable silicone resin, and a solvent.Type: ApplicationFiled: January 17, 2008Publication date: July 23, 2009Inventor: Akira Inaba
-
Publication number: 20090179181Abstract: A composite material having utility as an anode for lithium ion batteries comprises silicon, a transition metal, a ceramic and an electrically conductive diluent such as carbon. In particular instances, the ceramic is electrically conductive, and may comprise vanadium carbide or tungsten carbide. The transition metal may, in some instances, comprise iron. The material may be fabricated by grinding together a starting mixture of the components, and grinding may be accomplished in a high impact ball milling process, and the grinding step may cause partial alloying of the silicon with the metal and/or carbon. Further disclosed is a method for making the material as well as electrodes which incorporate the material.Type: ApplicationFiled: January 8, 2009Publication date: July 16, 2009Applicant: A123 Systems, Inc.Inventors: Pu Zhang, Suresh Mani, Junqing Ma, Liya Wang, Jun Q. Chin
-
Publication number: 20090153032Abstract: A conductive composition film including the following elements A and B, and an oxygen atom: A: one element selected from In, Sn, and Zn; and B: one or more elements selected from In, Sn, Zn, V, W, Ni, Pd, Pt, Cu, Ag and Au and different from element A; the total (x+y) of the amount (x) of element A and the amount (y) of element B in the film being larger than 41 at % and smaller than 80 at %; and the amount of the oxygen atom in the film being [100?(x+y)] at %.Type: ApplicationFiled: August 15, 2006Publication date: June 18, 2009Applicant: Idemitsu Kosan Co., Ltd.Inventors: Shigekazu Tomai, Satoshi Umeno
-
Patent number: 7544311Abstract: A PTC polymer composition contains: (a) a non-elastomeric polymer mixture in an amount from 20 wt % to 80 wt % based on the weight of the polymer composition; (b) a conductive particulate material in an amount from 20 wt % to 60 wt % based on the weight of the polymer composition; (c) a voltage resistance-enhancing agent that contains particulate metal oxide material in an amount from 1 wt % to 30 wt % based on the weight of the polymer composition; and (d) a polymer stabilizer that contains a thermoplastic elastomer in an amount from 1 wt % to 30 wt % based on the weight of the polymer composition.Type: GrantFiled: April 6, 2005Date of Patent: June 9, 2009Assignee: Fuzetec Technology Co., Ltd.Inventors: Jack Jih-Sang Chen, Chi-Hao Gu
-
Publication number: 20090134364Abstract: The present invention provides a method for producing a polyamic acid containing ultrafine metal particles, which contains the steps of contacting an aqueous solution containing a water-soluble metal compound with fine polyamic acid particles to adsorb metal ions to the fine polyamic acid particles, and then performing a reduction treatment; and a conductive adhesive which contains as an active ingredient the polyamic acid containing ultrafine metal particles. The conductive adhesive of the present invention has excellent performance which enables the adhesive to be used as an alternative to high-temperature lead solders.Type: ApplicationFiled: August 28, 2006Publication date: May 28, 2009Inventors: Hidemi Nawafune, Kensuke Akamatsu
-
Publication number: 20090120483Abstract: The present invention is directed to a thick film conductive composition comprising: (a) electrically conductive silver powder; (b) zinc-containing additive; (c) glass frit wherein said glass frit is lead-free; dispersed in (d) organic medium. The present invention is further directed to an electrode formed from the composition above wherein said composition has been fired to remove the organic vehicle and sinter said glass particles. Still further, the invention is directed to a method of manufacturing a semiconductor device from a structural element composed of a semiconductor having a p-n junction and an insulating film formed on a main surface of the semiconductor comprising the steps of (a) applying onto said insulating film the thick film composition detailed above; and (b) firing said semiconductor, insulating film and thick film composition to form an electrode.Type: ApplicationFiled: July 21, 2008Publication date: May 14, 2009Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Alan Frederic Carroll, Keneth Warren Hang
-
Publication number: 20090121195Abstract: A high dielectric polymer composite having a high dielectric constant is disclosed herein. The high dielectric polymer composite includes a conductive material doped with oxidizable metal nanoparticles or metal oxide nanoparticles to decrease dielectric loss, and a surfactant having a head portion containing an acidic functional group to form a passivation layer that surrounds the conductive material, resulting in increased dielectric constant.Type: ApplicationFiled: May 30, 2008Publication date: May 14, 2009Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun Sung Lee, Sang Mock Lee, Young Hun Byun
-
Patent number: 7527749Abstract: Modified electrically conductive adhesives and methods of preparation thereof, are disclosed.Type: GrantFiled: October 18, 2005Date of Patent: May 5, 2009Assignee: Georgia Tech Research CorporationInventors: Yi Li, Kyoung-sik Moon, Ching Ping Wong
-
Patent number: 7527752Abstract: A method for surface treatment of nickel nanoparticles using an organic solution, including dispersing nickel nanoparticles in a reductive organic solvent to obtain homogeneity; heating the dispersion of nickel nanoparticles; and separating the solution after treatment, washing and drying. Nickel nanoparticles treated by this method are preferably substantially free of impurities remaining on particle surfaces and thus have smooth surfaces and increased tap density, and the use thereof enables efficient production of a multi-layer ceramic capacitor.Type: GrantFiled: June 24, 2005Date of Patent: May 5, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Mi Yoon, Jae Young Choi, Yong Kyun Lee, Hyun Chul Lee
-
Publication number: 20090105144Abstract: One-component bone cement pastes, containing: AI at least one methacrylate monomer that is suited for radical polymerisation; AII at least one polymer that is soluble in AI; AIII at least one particulate polymer that is insoluble in AI and has a particle size of less than 500 ?m; optionally AIV at least one initiator that can be activated, in particular at least one radical-forming initiator or at least one radical initiator that is soluble in AI and subject to thermal decomposition; optionally AV at least one electrically conductive radio-opaquer, in particular in the form of ferromagnetic particles; are well-suited, e.g.Type: ApplicationFiled: October 21, 2008Publication date: April 23, 2009Applicant: HERAEUS MEDICAL GMBHInventors: SEBASTIAN VOGT, HUBERT BUCHNER
-
Publication number: 20090098350Abstract: A conductive composition consisting essentially of (a) 50-95 wt % finely divided particles of an electrically-conductive material dispersed in (b) a liquid vehicle, for use in the manufacture of an electrically-conductive pattern on a substrate for the use of reducing cross-sectional area and width while retaining conductivity and resistivity.Type: ApplicationFiled: November 24, 2008Publication date: April 16, 2009Inventor: SARAH JANE MEARS
-
Publication number: 20090078915Abstract: The present invention relates to a non-aqueous conductive nanoink composition including 20 to 85 parts by weight of metal nanoparticles which is chosen from silver, copper, nickel, platinum, palladium, and gold; 0.5 to 10 parts by weight of a polymer having an anhydride group; 15 to 80 parts by weight of a non-aqueous organic solvent. The non-aqueous conductive nanoink composition of the present invention prevents cracks during the drying process, increases the adhesion between wiring and substrate, and allows forming conductive wirings and films without cracks and delamination on the substrate such as polymer including polyimide and glass or silicon wafer.Type: ApplicationFiled: May 1, 2008Publication date: March 26, 2009Inventors: Kwi-Jong Lee, Dong-Hoon Kim, Joon-Rak Choi, Jaewoo Joung
-
Publication number: 20090081372Abstract: The present invention provides a conductor paste for rapid firing that is applied to a ceramic green sheet and is fired along with the green sheet under high-rate temperature rise conditions at a high heating rate of at least 600° C./hr from room temperature to the maximum firing temperature. The paste includes as a conductor-forming powder material: a conductive metallic powder comprising, as a main component, nickel powder; and barium titanate ceramic powder with a mean particle diameter of 10 nm to 80 nm as an additive. The ceramic powder content is 5 to 25 mass parts per 100 mass parts of the conductive metallic powder.Type: ApplicationFiled: September 24, 2008Publication date: March 26, 2009Applicant: NORITAKE CO., LTD.Inventors: Ken-ichi Sugimura, Kazuhisa Hirao
-
Publication number: 20090078747Abstract: An anisotropic conductive adhesive composition includes an acrylic rubber binder having a weight average molecular weight of about 100,000 to about 1,000,000, a first component including at least one of a mono(meth)acrylate compound and a di(meth)acrylate compound, a second component including at least one of a tri(meth)acrylate compound and a compound having more than three (meth)acrylate groups, an organic peroxisde, and conductive particles. The second component is present in an amount of about 1 to about 10% by weight, based on the total weight of the acrylic rubber, the first component, the second component, the organic peroxide, and the conductive particles.Type: ApplicationFiled: September 19, 2008Publication date: March 26, 2009Inventors: Kyoung Soo Park, Hyun Hee Namkung, Kyoung Hun Shin, Byeong Hwan Jeon, Kang Bae Yoon, Cheon Seok Lee
-
Publication number: 20090056798Abstract: Formulations and methods of making solar cell contacts and cells therewith are disclosed. The invention provides a photovoltaic cell comprising a front contact, a back contact, and a rear contact. The back contact comprises, prior to firing, a passivating layer onto which is applied a paste, comprising aluminum, a glass component, wherein the aluminum paste comprises, aluminum, another optional metal, a glass component, and a vehicle. The back contact comprises, prior to firing, a passivating layer onto which is applied an aluminum paste, wherein the aluminum paste comprises aluminum, a glass component, and a vehicle.Type: ApplicationFiled: August 29, 2007Publication date: March 5, 2009Applicant: FERRO CORPORATIONInventors: Nazarali Merchant, Aziz S. Shaikh, Srinivasan Sridharan
-
Publication number: 20090050856Abstract: Embodiments described herein provide for a composition of voltage switchable dielectric (VSD) material that includes a concentration of modified high-aspect ratio (HAR) particles. In an embodiment, at least a portion of the concentration includes HAR particles are surface-modified to provide core-shell HAR particles. As an alternative or addition, a portion of the concentration includes HAR particles that are surface-modified to have activated surfaces.Type: ApplicationFiled: August 18, 2008Publication date: February 26, 2009Inventors: Lex Kosowsky, Robert Fleming, Junjun Wu