Asahi Glass Company, Limited

Elna Co., Ltd.

Other

Asahi Glass Company, Limted

Yasuhiro Sanada

Takeshi Morimoto

Kazuya Hiratsuka

Keisuke Abe

Hideyuki Hirakoso

Hiroshi Aruga

Akira Hirano

Takeshi Kawasato

Akira Mitsui

Kiyoshi Matsumoto

Atsushi Hayashi

Kazuo Sunahara

Kenji Ishizeki

Satoshi Takeda

Kunihiko Terase

Hiromichi Nishimura

Suekazu Hirata

Hiroshi Ariga

Michiomi Nagase

Kentarou Tsunozaki

Kouichi Yokoyama

Makoto Noshiro

Sadao Hagita

Keiko Ohashi

Yoshikatsu Kimura

Shinichi Ohashi

To provide an ink composition capable of forming a metallic material which is excellent in adhesion to a substrate and free from ion migration. An ink composition having fine metallic copper particles and/or fine copper hydride particles, and fine silver oxide particles or fine metallic silver particles, dispersed in a water-insoluble organic liquid, which composition has a solid content concentration of from 10 to 80 mass % and contains from 5 to 90 parts by mass of the fine metallic copper particles and/or fine copper hydride particles, and from 10 to 95 parts by mass of the fine silver oxide particles or fine metallic silver particles, per 100 parts by mass of the total solid content in the ink composition.

Ink composition and metallic material

It is to provide fine particles of copper, nickel or palladium hydride having an average particle diameter of at most 50 nm, which are hardly oxidized in the atmosphere and are excellent in storage stability and are thereby very suitable for formation of metallic materials, and their production process. Further, it is to provide a dispersion containing fine particles of copper, nickel or palladium hydride, which is excellent in storage stability, and a metallic material obtained by applying the dispersion, followed by baking. The fine particles of copper, nickel or palladium hydride and the dispersion thereof, to be obtained by the present invention, are applicable to various applications, and they can be used for e.g. formation and repair of printed wiring, etc. employing a dispersion, interlayer wiring in semiconductor packages, and joining of printed wiring boards and electronic components.

Fine metal hydride particles, their production process, dispersion containing fine metal hydride particles and metallic material

To provide metal-containing fine particles having good dispersion stability, which have their surface coated with dispersants vaporizable even during firing at low temperatures, a fine particle dispersion having the above metal-containing fine particles dispersed therein, and an electroconductive metal-containing material having an excellent volume resistivity formed by using the fine particle dispersion. Metal-containing fine particles with their surface coated with at least two dispersants having different vaporization temperatures.

Process for producing metal-containing particles having their surface coated with at least two dispersants different in vaporization temperature

The present invention has an object to provide an integrated circuit device having a Cu wiring, using a barrier layer which facilitates planarization. The present invention relates to an integrated circuit device having a Cu wiring layer, a barrier layer therefor and a dielectric layer, wherein the barrier layer is represented by a compositional formula of TaO N (the range of x being 0<x<2.5, and the range of y being 0<y<1). Further, the present invention relates to an integrated circuit device having a Cu wiring layer, a barrier layer therefor and a dielectric layer, wherein the barrier layer is represented by a compositional formula of Ta M O N (M being at least one member selected from the group consisting of elements of Groups 3, 4, 6, 7, 8, 9, 10, 12, 13 and 14 of the long form of the periodic table, the range of a being 0<a<1, the range of b being 0<b<2.5, and the range of c being 0<c<1).

Integrated circuit device and its manufacturing method

A colored film comprising gold, bismuth oxide and an oxide other than bismuth oxide.

Colored film, colored film-attached glass product and process for producing the product

A coating solution for forming a colored thin film, which contains a metal oxide containing nitrogen.

Colored thin film-forming coating solution and colored thin film

A process for preparing hydrogen fluoride, which comprises (i) reacting calcium fluoride with sulfuric acid to produce a gypsum and a gas containing hydrogen fluoride, (ii) separating hydrogen fluoride from said gas containing hydrogen fluoride, (iii) absorbing said hydrogen fluoride-separated gas with water to obtain an aqueous solution containing hydrogen fluoride and silicofluoric acid, (iv) reacting calcium carbonate with said aqueous solution to obtain a suspension containing silicic acid and calcium fluoride, (v) adding an alkaline substance to said suspension to make pH at least 8, thereby stabilizing the silicic acid as a colloidal solution, (vi) separating a calcium fluoride solid and the colloidal solution of silicic acid from said suspension, and (vii) recycling the separated calcium fluoride as a starting calcium fluoride.

Process for preparing hydrogen fluoride

Method for forming thin MgF.sub.2 film and low-reflection film

A polarizable electrode for an electric double layer capacitor, composed of a continuously micro-porous structure of a fluorine-containing polymer resin with a fine carbon powder incorporated therein, wherein said structure includes a numerous fine nodes of the resin and fine fibers of the resin three dimensionally connecting the nodes so that the nodes are partially in contact with or connected to one another, and the fine carbon powder is contained substantially in the nodes.

Electric double layer capacitor

An electric double layer capacitor comprising a casing and polarizable electrodes and an electrolyte solution accommodated in the casing and utilizing an electric double layer formed by the interface of the electrolyte solution and the polarizable electrodes, characterized in that at least the portion of the casing which is in contact with the electrolyte solution at the anode side is made of an alloy steel consisting essentially of from 50 to 75.3% by weight of Fe, from 10.0 to 35.0% by weight of Cr, from 0 to 25.0% by weight of Ni, from 0.1 to 5.0% by weight of Mo and from 0.1 to 2.0% by weight of N.

An electric double layer capacitor utilizing an electric double layer formed by the interface of an electrolyte solution and polarizable electrodes, wherein the electrolyte solution comprises a solute dissolved in at least one solvent selected from the group consisting of sulfolane and a derivative thereof.

An electric double layer capacitor utilizing an electric double layer formed by the interface of an electrolyte solution and polarizable electrodes, wherein the electrolyte solution comprises a quaternary phosphonium salt of the formula I dissolved in an organic solvent: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a hydrogen atom, an alkyl group having from 1 to 15 carbon atoms or an aryl group having from 6 to 15 carbon atoms, provided that not all of R.sub.1 to R.sub.4 are hydrogen atoms, and X is BF.sub.4, PF.sub.6 , ClO.sub.4, AsF.sub.6, SbF.sub.6, AlCl.sub.4 or R.sub.f SO.sub.3 wherein R.sub.f is a fluoroalkyl group having from 1 to 8 carbon atoms.

Growing community of inventors

Yokohama, Japan

Yasuhiro Sanada