Assignee: Shoei Chemical Inc.

Location: Tokyo, JP
No. of patents: 28

Number	Title	Issue Date
7785499	Nickel-rhenium alloy powder and conductor paste containing the same The invention provides a nickel-rhenium alloy powder that contains 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 ...	08/31/2010
7744779	Nickel-rhenium alloy powder and conductor paste containing the same A nickel-rhenium alloy powder comprising nickel as a main component, 0.1 to 10% by weight of rhenium, and having an average particle size of 0.05 to 1.0 μm is provided. The nickel-rhenium alloy powder has a surface oxide film containing a nickel oxide and a rhenium...	06/29/2010
7704297	Nickel powder manufacturing method A melt of nickel nitrate hydrate is introduced as droplets or liquid flow into a heated reaction vessel and thermally decomposed in a gas phase at a temperature of 1200° C. or more and at an oxygen partial pressure equal to or below the equilibrium oxygen pressure ...	04/27/2010
7618474	Nickel powder, conductive paste, and multilayer electronic component using same A nickel powder with a mean particle size of 0.05 to 1.0 μm, the nickel powder having a thin oxidized layer of nickel on a surface thereof, an oxygen content of 0.3 to 3.0 wt. % and a carbon content of 100 ppm or less per specific surface area of 1 m2/g ...	11/17/2009
7503959	Method for manufacturing rhenium-containing alloy powder, rhenium-containing alloy powder, and conductor paste Metal particles that can be alloyed with rhenium are dispersed as a main component in a gas phase, a rhenium oxide vapor is made to be present around these particles, the rhenium oxide is reduced, and the rhenium precipitated on the surface of the main component met...	03/17/2009
7423220	Conductive paste for multilayer electronic components and multilayer electronic component using same A conductive paste for multilayer electronic components which is to be directly printed on a ceramic green sheet, the conductive paste contains a conductive powder, a resin and an organic solvent, wherein the organic solvent contains at least one solvent selected fr...	09/09/2008
7410601	Conductive paste for multilayer electronic part Disclosed is a conductive paste for a multilayer electronic part to be screen-printed on a ceramic green sheet, comprising 70-95 weight % of conductive metal powder, a resin, and a solvent, wherein a phase angle δ in a dynamic viscoelastic measurement is within a r...	08/12/2008
7368070	Conductive paste for terminal electrode of multilayer ceramic electronic part A conductive paste for a terminal electrode of a multilayer ceramic electronic part, comprising (A) a spherical conductive powder which comprises chiefly copper, and which has a vitreous thin film on at least a portion of the surfaces thereof, (B) a flaky conductive...	05/06/2008
7214330	Method of manufacturing phosphor powder, phosphor powder, and phosphor composition A method of manufacturing a highly crystallized phosphor powder, comprising: making a raw material solution containing metal elements and/or semimetal elements that will be constituents of the phosphor into fine liquid droplets, subjecting the liquid droplets to dec...	05/08/2007
7138102	Method for manufacturing highly-crystallized double oxide powder A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc. The method involves forming fine droplets of a raw material solution co...	11/21/2006
7094289	Method for manufacturing highly-crystallized oxide powder A method for manufacturing a highly-crystallized oxide powder, wherein an oxide powder is produced by ejecting a starting material powder containing at least one metal element and/or semimetal element, which will become a constituent component of the oxide, into a r...	08/22/2006
6841495	Glass and conductive paste using the same A glass containing no lead and comprising, calculated as oxides: 40-60 wt. % ZnO, 15-35 wt. % B2O3, 1-16 wt. % SiO2, 1-10 wt. % Al2O3, 2-15 wt. % MnO2, and at least one selected from the group consist...	01/11/2005
6793842	Single-crystal ferrite fine powder A ferrite fine powder having a mean particle size of 0.1 to 30 μm and made of spherical single-crystal particles. The ferrite fine powder has superior physical properties and excellent magnetic properties desirable for use as a raw material for a dust core of coils...	09/21/2004
6551527	Conductive paste comprising N-acylamino acid A conductive paste comprising a conductive powder, an organic binder and a solvent as principal components, wherein the paste also contains at least one selected from the group consisting of N-acylamino acids and salts thereof. The conductive paste has a ...	04/22/2003
6530972	Method for preparing metal powder A method for preparing a highly crystallized metal powder, involving the steps of: supplying at least one heat-decomposable metal compound powder into a reaction vessel using a carrier gas; and forming a metal powder by heating the metal compound powder i...	03/11/2003
6528166	Nickel composite particle and production process therefor Nickel composite particles having a layer of a nickel-containing spinel on at least a part of the surface of nickel particles, or nickel composite particles having an oxide layer of metals other than nickel on at least a part of the surface of nickel part...	03/04/2003
6403218	Nickel composite particle and production process therefor Nickel composite particles having a layer of a nickel-containing spinel on at least a part of the surface of nickel particles, or nickel composite particles having an oxide layer of a metal other than nickel on at least a part of the surface of nickel par...	06/11/2002
6060165	Metal powder and process for preparing the same A metal powder having a vitreous thin layer on at least a part of the surface thereof wherein the amount of the vitreous thin layer is preferably 0.01 to 50% by weight based on the metal powder without the vitreous thin layer. The metal powder is prepared...	05/09/2000
5964918	Process for preparing metal powder A process for preparing a metal powder, comprising the steps of: bringing a solution comprising at least one metal salt to fine droplets; and heating the droplets to a temperature above the decomposition temperature of the metal salt, wherein at least one...	10/12/1999
5871840	Nickel powder containing a composite oxide of La and Ni and process for preparing the same A nickel powder having a composite oxide layer comprising lanthanum and nickel and, optionally an oxide of chromium, on at least a part of the surface thereof. The nickel powder is produced by a process comprising the steps of: bringing a solution compris...	02/16/1999
5763339	Insulating glass composition A lead-free insulating glass composition comprises (A) 50 to 85 wt. % of a glass comprising, on a weight basis, 28 to 38% of SiO2, 4 to 10% of B2 O3, 8 to 16% of Al2 O3, 15 to 23% of MgO, 1 to 12% of ...	06/09/1998
5645765	Lead-free conductive paste A nontoxic lead-free conductive paste comprising (a) a lead-free glass frit having a crystallization temperature of 700°-870° C. and consisting essentially of, by weight %, 20-38% of SiO2, 5.5-13.5% of B2 O3, 8-15.5% of ...	07/08/1997
5420744	Multilayered ceramic capacitor A multilayered ceramic capacitor having internal electrodes comprising a substantially single-crystal metallic powder as a conductor, the powder having been produced by spraying a solution containing at least one metal salt to form droplets and heating th...	05/30/1995
5402305	Oxidation-resistant palladium powder, production method thereof and thick-film conductive paste and multilayered ceramic capacitor produced therefrom An oxidation-resistant palladium powder containing one or more alkaline earth metal elements in a total amount of at least 0.005% by weight relative to Pd. The palladium powder is useful as a conductive component of a thick-film conductive paste and the r...	03/28/1995
4986933	Resistor composition A resistor composition comprising at least one electrically conductive powder selected from the group consisting of (a) tin oxide power and (b) powder resulting from heat treatment of tin oxide and tantalum oxide, a glass frit and double oxide of tantalum...	01/22/1991
4752442	Bonding wire A bonding wire for use in semiconductor devices which consists essentially of 0.0003 to 0.01 wt. % of barium and the balance gold, the gold purity of said bonding wire being at least 99.99%. The bonding wire may further contain at least one element select...	06/21/1988
4574055	Resistor compositions A resistor composition comprising conductive particles, a glass frit and a vehicle in which RuO2 particles coated with a polynary oxide of Bi and/or Pb and Ru are employed and, by using the surface-coated RuO2, the composition can pr...	03/04/1986
4439352	Resistor compositions and resistors produced therefrom Resistor compositions are disclosed which comprise: (a) ruthenium oxide; (b) glass; (c) at least one metal oxide selected from the group consisting of lanthanum oxide, neodymium oxide, praseodymium oxide and samarium oxide; and (d) an organic vehicle. Res...	03/27/1984

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Assignee: Shoei Chemical Inc.