Patents Examined by Jaison Thomas
  • Adhesive composition, circuit connecting material, connection structure of circuit member, and semiconductor device
    Patent number: 8696942
    Abstract: The adhesive composition of the invention comprises a radical generator, a thermoplastic resin and a urethane(meth)acrylate having two or more radical-polymerizing groups in the molecule and a weight-average molecular weight of 3000-30,000.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: April 15, 2014
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Shigeki Katogi, Hiroyuki Izawa, Houko Sutou, Masami Yusa, Tohru Fujinawa
  • High voltage insulating materials
    Patent number: 8696939
    Abstract: High voltage insulating materials in solid and liquid form which are provided in particular for use in high voltage generators for example for radiotechnology and computer tomography. The solid insulating materials are characterized in particular in that they have a high dielectric strength while having a relatively low weight. Furthermore, the electrical conductivity of the insulating materials can be set relatively simply such that surface charges are reliably dissipated and voltage flashovers are avoided. Finally, with further embodiments, in particular in the case of hybrid insulating materials, it is possible to adapt or change the dielectric constant and/or the electrical conductivity of the insulating materials in a targeted manner such that the respective voltage drops over the insulting materials do not exceed the dielectric strength thereof.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: April 15, 2014
    Assignee: Koninklijke Philips N.V.
    Inventor: Hans Negle
  • Conductive aluminum paste and the fabrication method thereof, the solar cell and the module thereof
    Patent number: 8696945
    Abstract: This present disclosure relates to conductive aluminum paste for fabricating a silicon solar cell. Herein, the conductive aluminum paste is composed of organic carrier, aluminum powder, nano-scale metal particle, and glass frit, wherein the nano-scale metal particle has a particle size distribution D50 in the range from 10 nanometers to 1000 nanometers and the weight percentage of the nano-scale metal particle associated with the conductive aluminum paste is around 0.1 through 10 wt %. Furthermore, the characteristics of the conductive aluminum paste are for reducing the sheet resistance value of the electrode, increasing the adhesion in the silicon solar cell package module, and enhancing the electro-optical conversion efficiency of the silicon solar cell.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: April 15, 2014
    Assignee: Giga Solar Materials Corporation
    Inventors: Chun-Min Wu, Chu-Lung Chao, Ying-Chih Lu, Wen-Jui Huang
  • Conductive metal ink composition and method for forming a conductive pattern
    Patent number: 8691118
    Abstract: The present invention relates to a conductive metal ink composition which is properly applied for roll-printing process to form conductive pattern with improved conductivity, and the method of preparing a conductive pattern using the same. The conductive metal ink composition comprises a conductive metal powder; an organic silver complex where an organic ligand including amine group and hydroxyl group binds with a silver (Ag) salt of aliphatic carboxylic acid; a non-aqueous solvent comprising a first non-aqueous solvent having a vapor pressure of 3 torr or lower at 25° C. and a second non-aqueous solvent having a vapor pressure of higher than 3 torr at 25° C.; and a coatability improving polymer.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: April 8, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jie-Hyun Seong, Soo-Yeon Heo, Jong-Taik Lee, Kyoung-Su Jeon
  • Conducting polymer ink
    Patent number: 8691116
    Abstract: Disclosed are conductive polymer inks and methods for forming the inks. The disclosed inks include a dispersion of conductive core/shell nanoparticles. The core/shell nanoparticles include a polymeric core and a shell formed of a conducting polymer. The inks can include a dispersion of the core/shell nanoparticles in a liquid carrier, such as an alcohol. The disclosed inks can be formulated to high viscosities and can be utilized in high-speed printing processes including rotogravure and flexographic printing processes. Products encompassed by the disclosure include polymer devices such as sensors, OFETs, RFID tags, printed circuit board, electrochromic devices, non-volatile memory devices, photovoltaics, and the like.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: April 8, 2014
    Assignee: Clemson University
    Inventors: Moon Gyu Han, Jay K. Sperry, Samuel T. Ingram, Stephen H. Foulger
  • Organic solvent dispersible conductive polymer and method for manufacture thereof
    Patent number: 8691117
    Abstract: Disclosed is a conductive polymer which is easily dispersed in an organic solvent. A method of preparing the conductive polymer adapted to be dispersed in an organic solvent is also provided, which includes chemically polymerizing a monomer using as a dopant anion a phosphate-based compound having solubility in an organic solvent. The conductive polymer capable of being dispersed in various organic solvents can be obtained through a simple preparation process, and thus can be utilized in the fields of applied materials in which the use of conventional water-dispersible conductive polymers is limited.
    Type: Grant
    Filed: July 11, 2009
    Date of Patent: April 8, 2014
    Inventors: Kwang Suck Suh, Jong Eun Kim, Tae Young Kim, Tae Hee Lee, Won Jung Kim
  • Electrically conductive ink and uses thereof
    Patent number: 8685286
    Abstract: The present disclosure provides an electrode including an electrically conductive ink deposited thereon comprising: a nano-scale conducting material; a binding agent; and an enzyme; wherein said ink is essentially solvent free. In one embodiment, the ink includes at least one of a mediator, a cross-linking agent and a substrate as well. In one further embodiment, the electrode provided herein is used in a battery, fuel cell or sensor.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: April 1, 2014
    Assignee: CFD Research Corporation
    Inventors: Vojtech Svoboda, Jianjun Wei, Sameer Singhal
  • Conducting paste for device level interconnects
    Patent number: 8685284
    Abstract: A conducting paste and method of forming the paste for device level interconnection. The conducting paste contains metal loading in the range 80-95% that is useful for making five micron device level interconnects. The conducting paste is made by mixing two different conducting pastes, each paste maintaining its micro level individual rich region in the mixed paste even after final curing. One paste contains at least one low melting point alloy and the other paste contains noble metal fillers such as gold or silver flakes. In general, average flake size below five micron is suitable for five micron interconnects. However, 1 micron or smaller silver flakes and an LMP mixture is preferred for five micron interconnects. The amount of LMP based paste in the final mixture is preferably 20-50% by weight. The nano micro paste embodiment shows good electrical yield (81%) and low contact resistance.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: April 1, 2014
    Assignee: Endicott Interconnect Technologies, Inc.
    Inventors: Rabindra N. Das, Roy H. Magnuson, Mark D. Poliks, Voya R. Markovich
  • Electrically conducting polymeric compositions, methods of manufacture thereof and articles comprising the same
    Patent number: 8679371
    Abstract: Disclosed herein too is a method of manufacturing an electrically conducting polymeric composition comprising blending an organic polymer composition that comprises a thermoplastic organic polymer; an electrically conducting filler composition that comprises metal fibers; and an electrically insulating composition in an extruder; wherein the electrically insulating composition is fed into the extruder downstream of the location at which the organic polymer composition is fed into the extruder and wherein the electrically conducting filler composition is fed into the extruder at a location downstream of the location at which the electrically insulating composition is fed into the extruder.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: March 25, 2014
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Gang Li, Xiangping Zou, Sanjay Gurbasappa Charati, Soumyadeb Ghosh
  • Optical film having antistatic layer, polarizing plate and image display device
    Patent number: 8673182
    Abstract: An optical film includes a transparent support and at least one antistatic layer formed from a composition containing an electrically conductive polymer, a polyfunctional monomer having two or more polymerizable groups, at least one compound selected from a compound represented by the formula (1) as defined herein, a compound represented by the formula (2) as defined herein and a trivalent phosphorus compound, and a photopolymerization initiator.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: March 18, 2014
    Assignee: Fujifilm Corporation
    Inventors: Daiki Wakizaka, Takayasu Yamazaki
  • Electrically conductive polymer compositions
    Patent number: 8658061
    Abstract: The present invention relates to electrically conductive polymer compositions, and their use in organic electronic devices. The electrically conductive polymer compositions include (i) an intrinsically conductive polymer having at least one monomer unit which is a pyridine-fused heteroaromatic and (ii) a fluorinated acid polymer.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: February 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Hjalti Skulason
  • Stretched articles suitable for use as EMI absorbers
    Patent number: 8641928
    Abstract: An exemplary embodiment of a method of making an electromagnetic interference (EMI) absorber includes stretching a material that includes EMI absorbing particles along at least a first axis to align at least some EMI absorbing particles.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: February 4, 2014
    Assignee: Laird Technologies, Inc.
    Inventor: Douglas S. McBain
  • Metal inks
    Patent number: 8641931
    Abstract: Self-reducing metal inks and systems and methods for producing and using the same are disclosed. In an exemplary embodiment, a method may comprise selecting a metal-organic (MO) precursor, selecting a reducing agent, and dissolving the MO precursor and the reducing agent in an organic solvent to produce a metal ink that remains in a liquid phase at room temperature. Metal inks, including self-reducing and fire-through metal inks, are also disclosed, as are various applications of the metal inks.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: February 4, 2014
    Assignee: Alliance for Sustainable Energy, LLC
    Inventors: David S. Ginley, Calvin J. Curtis, Alex Miedaner, Marinus Franciscus Antonius Maria van Hest, Tatiana Kaydanova
  • Low-temperature-sinterable bonding material, and bonding method using the bonding material
    Patent number: 8641929
    Abstract: Provided is a bonding material which enables formation of a bonded article in nitrogen, and can exhibit bonding strength to withstand practical use while having reduced bonding fluctuations between samples without a heat treatment procedure under pressurized or high temperature conditions. The bonding material comprises: silver nanoparticles having an average primary particle diameter of 1 to 200 nm and coated with an organic substance having 8 carbon atoms or less; a dispersion medium having a boiling point of 230° C. or higher; and a flux component including an organic matter having at least two carboxyl groups. Particularly, it is preferable to use the silver nanoparticles and submicron silver particles in combination.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: February 4, 2014
    Assignee: Dowa Electronics Materials Co., Ltd.
    Inventors: Keiichi Endoh, Yutaka Hisaeda, Akihiro Miyazawa, Aiko Nagahara, Toshihiko Ueyama
  • Anisotropic conductive adhesive
    Patent number: 8636924
    Abstract: An anisotropic conductive adhesive includes an epoxy adhesive containing an epoxy compound and a curing agent and conducive particles dispersed in the epoxy adhesive. When elastic moduluses at 35° C., 55° C., 95° C., and 150° C. of a cured product of the anisotropic conductive adhesive are denoted by EM35, EM55, EM95, and EM150, respectively, and change rates in the elastic modulus between 55° C. and 95° C. and between 95° C. and 150° C. are denoted by ?EM55-95 and ?EM95-150, respectively, the following expressions (1) to (5) are satisfied.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: January 28, 2014
    Assignee: Dexerials Corporation
    Inventors: Hidetsugu Namiki, Shiyuki Kanisawa, Genki Katayanagi
  • Polymer nano-composites as dry sensor material for biosignal sensing
    Patent number: 8608984
    Abstract: A multifunctional polymer nano-composite sensor system for detecting various biosignals like ECG and other kinds of signals for sensing strain, temperature and moisture has been disclosed. This sensor system includes (1) a polymer nano-composite sensor material that is flexible, elastic, soft, and conductive, (2) a sensor material fabricated into a desired shape or form, and (3) a signal capturing interface for collecting, transmitting and processing the signals. This sensor system can easily be integrated into a user environment for various user-transparent sensing applications.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: December 17, 2013
    Assignee: Cleveland Medical Polymers, Inc.
    Inventors: Prasad Taranekar, Arunkumar Venkatesan, Nishant Negandhi, Asis Banerjie
  • Solvent systems for metals and inks
    Patent number: 8597548
    Abstract: Solvent systems and dispersions including such solvent systems for use in compositions including metals and inks are provided. In certain examples, the solvent systems may be used with capped metal particles to provide a dispersion that may be used to print conductive lines.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: December 3, 2013
    Assignee: Alpha Metals, Inc.
    Inventors: Oscar Khaselev, Nitin Desai, Michael T. Marczi, Bawa Singh
  • Method for producing electrode material, electrode material, electrode and battery
    Patent number: 8580155
    Abstract: Disclosed is a method for producing an electrode material which has high discharge capacity at high charge/discharge rate and enables to realize sufficient charge/discharge rate performance. Also disclosed are an electrode material, an electrode and a lithium ion battery. Specifically disclosed is a method for producing an electrode material, which is characterized in that a slurry containing an electrode active material or a precursor of the electrode active material, and organic compounds each selected from at least two groups among the group A, group B and group C is sprayed and dried for forming a granule, and the thus-formed granule is fired at a temperature not less than 500° C. but not more than 1000° C. in a non-oxidizing atmosphere.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: November 12, 2013
    Assignee: Sumitomo Osaka Cement Co., Ltd.
    Inventors: Koji Ono, Atsushi Honda, Tadashi Matsushita, Mitsumasa Saito
  • Method of producing electrode material precursor and electrode material using the electrode material precursor
    Patent number: 8568617
    Abstract: Provided is a method of producing an electrode material precursor having a core-shell structure in which the particle size is extremely small and the particle diameter is uniform, and a method of efficiently producing an electrode material using the obtained precursor. The method is for producing an electrode material precursor having a core-shell structure in which an active material core is coated with polyaniline, wherein an oxidizing agent is added to a solution containing aniline and an active raw material to generate fine active material particles, and aniline is polymerized at the surface of the fine particles. An electrode material having a core-shell structure in which an active material core is coated with carbon is produced by subjecting the electrode material precursor obtained in the foregoing production method to heat treatment in a reduction atmosphere at 300 to 900° C.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: October 29, 2013
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Haoshen Zhou, Yonggang Wang
  • Electrically conductive polymer compositions
    Patent number: 8568616
    Abstract: There are provided electrically conducting polymer compositions comprising an electrectically conductive polymer or copolymer and an organic solvent wettable fluorinated acid polymer. Electrically conductive polymer materials are derived from thiophene, pyrrole, aniline and polycyclic heteroaromatic precursor monomers. Non-conductive polymers derived from alkenyl, alkynyl, arylene, and heteroarylene precursor monomers. The organic-solvent wettable fluorinated acid polymer is fluorinated or highly fluorinated and may be colloid-forming. Acidic groups include carboxylic acid groups, sulfonic acid groups, sulfonimide groups, phosphoric acid groups, phosphonic acid groups, and combinations thereof. The compositions can be used in organic electronic devices.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: October 29, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Christopher P. Junk, Frank P. Uckert, Mark F. Teasley, Andrew Edward Feiring, Charles J. Dubois, Viacheslav A. Petrov, Natalie Daoud, Amy Qi Han