Patent application number | Description | Published |
20120125659 | COPPER CONDUCTOR FILM AND MANUFACTURING METHOD THEREOF, CONDUCTIVE SUBSTRATE AND MANUFACTURING METHOD THEREOF, COPPER CONDUCTOR WIRING AND MANUFACTURING METHOD THEREOF, AND TREATMENT SOLUTION - Provided are a copper conductor film and manufacturing method thereof, and patterned copper conductor wiring, which have superior conductivity and wiring pattern formation, and with which there is no decrease in insulation between circuits, even at narrow wiring widths and narrow inter-wiring spacing. Disclosed are a copper conductor film and manufacturing method thereof in which a copper-based particle-containing layer, which contains both a metal having catalytic activity toward a reducing agent and copper oxide, is treated using a treatment solution that contains a reagent that ionizes or complexes copper oxide and a reducing agent that reduces copper ions or copper complex to form metallic copper in a single solution, and patterned copper conductor wiring that is obtained by patterning a copper-based particle-containing layer using printing and by said patterned particle-containing layer being treated by a treatment method using a solution that contains both a reagent that ionizes or complexes copper oxide and a reducing agent that reduces copper ions or copper complexes to form metallic copper in a single solution. | 05-24-2012 |
20130153834 | LIQUID COMPOSITION, AND RESISTOR FILM, RESISTOR ELEMENT AND CIRCUIT BOARD USING SAME - There is provided a liquid composition that can form a resistor exhibiting a stable resistance value. One mode of the liquid composition of the invention is a liquid composition comprising (a) an epoxy resin, (b) carbon black particles, (c) carbon nanotubes and (d) a solvent with a vapor pressure of less than 1.34×10 | 06-20-2013 |
20150068426 | LIQUID COMPOSITION, AND RESISTOR FILM, RESISTOR ELEMENT AND CIRCUIT BOARD - There is provided a liquid composition that can form a resistor exhibiting a stable resistance value. One mode of the liquid composition of the invention is a liquid composition comprising (a) an epoxy resin, (b) carbon black particles, (c) carbon nanotubes and (d) a solvent with a vapor pressure of less than 1.34×10 | 03-12-2015 |
Patent application number | Description | Published |
20120170241 | PRINTING INK, METAL NANOPARTICLES USED IN THE SAME, WIRING, CIRCUIT BOARD, AND SEMICONDUCTOR PACKAGE - Disclosed is a printing ink comprising Cu- and/or CuO-containing metal nanoparticles, which obtains excellent dispersion properties and successive dispersion stability without using additives such as dispersing agents. Specifically disclosed is a printing ink that comprises Cu- and/or CuO-containing metal nanoparticles and has no more than 2,600 ppm of ionic impurities in the total solid content. The printing ink is obtained by dispersing the Cu- and/or CuO-containing metal nanoparticles, which have no more than 2,600 ppm of ionic impurities in the total solid content, in a dispersion medium. | 07-05-2012 |
20120175147 | COPPER METAL FILM, METHOD FOR PRODUCING SAME, COPPER METAL PATTERN, CONDUCTIVE WIRING LINE USING THE COPPER METAL PATTERN, COPPER METAL BUMP, HEAT CONDUCTION PATH, BONDING MATERIAL, AND LIQUID COMPOSITION - Disclosed are: a copper metal film which has good adhesion to a substrate, low volume resistivity, and good deep-part metal properties; and a method for producing a copper metal film, wherein the copper metal film can be produced by reducing a substrate to a deep part thereof without damaging the substrate. Specifically disclosed is a copper metal film obtained by treating a copper-based particle deposition layer containing both copper oxides and a metallic transition metal or alloy, or a transition metal complex containing a metal element, with gaseous formic acid and/or formaldehyde heated to 120° C. or higher. The copper oxide is preferably copper (I) oxide and/or copper (II) oxide. The transition metal, alloy or metal complex are preferably a metal selected from the group consisting of Cu, Pd, Pt, Ni, Ag, Au and Rh, an alloy containing the metal, or a complex containing the metal element, respectively. | 07-12-2012 |
20130295276 | METHOD FOR FORMING A COPPER WIRING PATTERN - There is provided a method wherein a surface treating agent, which is essential for making copper particles antioxidative and dispersing the copper particles in the prior art, is hardly used, but copper particles, which cause little electromigration and are small in the price rate of material itself, are used to form a low-resistance copper wiring pattern while the generation of cracks therein is restrained. The method includes the step of using a dispersion slurry wherein copper based particles having a copper oxide surface are dispersed to form any pattern over a substrate, and the step of reducing the copper oxide surface of the copper based particles in the pattern with atomic form hydrogen to return the oxide to copper, and sintering particles of the copper metal generated by the reduction and bonding the particles to each other. | 11-07-2013 |
20140242362 | COMPOSITION SET, CONDUCTIVE SUBSTRATE AND METHOD OF PRODUCING THE SAME, AND CONDUCTIVE ADHESIVE COMPOSITION - The invention provides a composition set comprising: a conductor layer-forming composition comprising a dispersing medium and inorganic particles comprising a metallic oxide; and a conductive adhesive composition comprising a binder and conductive particles having a number average particle size of from 1 nm to 3000 nm. | 08-28-2014 |
Patent application number | Description | Published |
20100233011 | METHOD FOR FORMING A COPPER WIRING PATTERN, AND COPPER OXIDE PARTICLE DISPERSED SLURRY USED THEREIN - There are provided are a method wherein a surface treating agent, which is essential for making copper particles antioxidative and dispersing the copper particles in the prior art, is hardly used but copper particles, which cause little electromigration and are small in the price rate of material itself, are used to form a low-resistance copper wiring pattern while the generation of cracks therein is restrained; and a copper oxide particle dispersed slurry used therein. | 09-16-2010 |
20100328599 | Ink for Forming Liquid Crystal Spacer and Liquid Crystal Display Device Using Such Ink - The object of the invention is to provide a liquid crystal spacer-forming ink that can sufficiently reduce the dot diameter of liquid crystal spacers formed by ink jet printing, and specifically it provides a liquid crystal spacer-forming ink with a surface tension of at least 28 mN/m at 25° C. and a viscosity of no greater than 50 mPa·s at 25° C. | 12-30-2010 |
20110141428 | PROCESS FOR PRODUCING SPACER FOR LIQUID CRYSTAL DISPLAY APPARATUS, INK FOR SPACER FORMATION, LIQUID CRYSTAL DISPLAY APPARTUS AND PROCESS FOR MANUFACTURING THE SAME - A process for producing a spacer for a liquid crystal display apparatus whereby an ink-jet method is used to print droplets composed of an ink that contains a resin and a solvent that dissolves it but that contains essentially no solid particles on a substrate | 06-16-2011 |
20150299568 | ETCHING MATERIAL - An etching material including at least one boron compound selected from a Lewis acid that includes, in its structure, boron and a halogen that is bonded to the boron, a salt of the Lewis acid and a compound that generates the Lewis acid. | 10-22-2015 |
Patent application number | Description | Published |
20110033754 | NONAQUEOUS LITHIUM SECONDARY BATTERY - A nonaqueous lithium secondary battery includes a positive electrode and a negative electrode capable of intercalating and releasing lithium ions and a separator. The negative electrode includes a collector and a negative electrode mixture layer formed on the collector. The negative electrode mixture layer includes at least a negative electrode active material and a binder. Nonconductive particles are buried in a top layer of the negative electrode mixture layer. The nonconductive particles and the negative electrode active material exist as a mixture in the top layer with a depth ranging from 1 to 20 μm. A volume ratio of nonconductive particles having a diameter equal to or less than 20 μm to a total volume of all the nonconductive particles and the negative electrode active material existing in the top layer of the negative electrode mixture layer ranges from 20 to 80%. | 02-10-2011 |
20130189591 | Lithium-Ion Battery - The present invention aims to improve the fire resistance of an electrolytic solution used for a lithium-ion battery and improve the life characteristics of the lithium-ion battery. In the lithium ion battery of the present invention, specific amounts of ethylene carbonate and dimethyl carbonate are used for a non-aqueous electrolytic solution, and trimethyl phosphate is added thereto. Specifically, the non-aqueous electrolytic solution contains 60 vol % or more of ethylene carbonate (EC) and dimethyl carbonate (DMC). The volume ratio of DMC to the sum of EC and DMC is 0.3 to 0.6, and the non-aqueous electrolytic solution contains 3 to 5 wt % of trimethyl phosphate (TMP) with respect to the total weight of the non-aqueous electrolytic solution. Such a non-aqueous electrolytic solution has an effect of improving the self-fire extinguishing property, and thus improves the safety of the lithium-ion battery. | 07-25-2013 |
20130202957 | Lithium-Ion Rechargeable Battery - Provided is a technique of achieving a longer-life lithium ion secondary battery. The lithium ion secondary battery includes a cathode including a cathode active material containing Mn, an anode including an anode active material containing graphite and non-aqueous electrolytic solution including electrolyte, and LiBF | 08-08-2013 |
Patent application number | Description | Published |
20090263721 | LITHIUM SECONDARY BATTERY AND PRODUCTION METHOD OF THE SAME - To provide a lithium secondary battery which suppresses a decrease in the charge and discharge efficiency during a battery storage test and which is excellent in maintaining the battery capacity after the storage test. There are disclosed a nonaqueous lithium battery, comprising: a positive electrode active material comprising a lithium-containing oxide capable of inserting and detaching lithium ions; a negative electrode active material comprising a carbon material capable of inserting and detaching lithium ions; and an electrolytic solution containing a lithium ion, wherein the surface of the negative electrode active material after initializing charging is coated with a compound derived from vinylene carbonate, and wherein a weight power density of the lithium battery is no less than 100 Wh/kg, and a method of producing a nonaqueous lithium battery comprising a step of sealing a positive electrode active material, a negative electrode active material, and a nonaqueous electrolytic solution using a sealed container, wherein a predetermined amount of vinylene carbonate is added into the nonaqueous electrolytic solution, and the initializing charging is carried out to form a coating on the surface of the negative electrode active material, the coating being derived from the vinylene carbonate. | 10-22-2009 |
20100072949 | Charging/Discharging Control Unit for Lithium Secondary Battery - In a charging/discharging unit provided with: a lithium secondary battery, a voltage detecting sensor for detecting a voltage and a current detecting sensor; the charging/discharging control unit is further provided with a controller, and a discharging element for performing a constant voltage discharging operation of 3 V. A voltage, V | 03-25-2010 |