Patents by Inventor Yasuaki Yokoyama
Yasuaki Yokoyama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9513567Abstract: To provide a mask aligner that can appropriately manage very small-quantity production and multiproduct production. The present invention is a mask aligner 1 that exposes a wafer W in a predetermined size through a mask M, and has a configuration that includes: a conveying device 5 for conveying the wafer W and the mask M; an exposure stage 3f on which the wafer W conveyed by the conveying device 5 is installed; a mask holder 3b that is mounted to face the exposure stage 3f and on which the mask M conveyed by the conveying device 5 is installed; and an LED light source 8c mounted to face the exposure stage 3f via the mask holder 3b.Type: GrantFiled: December 4, 2012Date of Patent: December 6, 2016Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Shiro Hara, Sommawan Khumpuang, Yoshiki Inuzuka, Yasuaki Yokoyama
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Publication number: 20140320840Abstract: To provide a mask aligner that can appropriately manage very small-quantity production and multiproduct production. The present invention is a mask aligner 1 that exposes a wafer W in a predetermined size through a mask M, and has a configuration that includes: a conveying device 5 for conveying the wafer W and the mask M; an exposure stage 3f on which the wafer W conveyed by the conveying device 5 is installed; a mask holder 3b that is mounted to face the exposure stage 3f and on which the mask M conveyed by the conveying device 5 is installed; and an LED light source 8c mounted to face the exposure stage 3f via the mask holder 3b.Type: ApplicationFiled: December 4, 2012Publication date: October 30, 2014Applicant: National Institute of Advanced Industrial Science and TechnologyInventors: Shiro Hara, Sommawan Khumpuang, Yoshiki Inuzuka, Yasuaki Yokoyama
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COMPOSITION FOR FORMING SILICON-ALUMINUM FILM, SILICON-ALUMINUM FILM AND METHOD FOR FORMING THE SAME
Publication number: 20090142617Abstract: A composition for forming a silicon.aluminum film, containing a silicon compound and an aluminum compound. The silicon.aluminum film is obtained by forming a coating film of the above composition and treating it with heat and/or light.Type: ApplicationFiled: February 3, 2009Publication date: June 4, 2009Applicant: JSR CORPORATIONInventors: Yasuaki YOKOYAMA, Michiko Yokoyama, Naomi Shinoda, Risa Yokoyama, Yasuo Matsuki -
Patent number: 7429778Abstract: There is provided a method for forming wiring or an electrode by coating a substrate with a composition comprising (A) a complex of an amine compound and a hydrogenated aluminum compound and (B) a titanium compound or a composition comprising the complex and (C) metal particles and subjecting the obtained coating film to heating and/or a light treatment. By the method, a film can be formed that uses a conductive film forming composition with which wiring and an electrode that can be suitably used for electronic devices can be formed easily and inexpensively.Type: GrantFiled: September 29, 2005Date of Patent: September 30, 2008Assignees: JSR Corporation, Sharp CorporationInventors: Michiko Yokoyama, legal representative, Naomi Shinoda, legal representative, Risa Yokoyama, legal representative, Isamu Yonekura, Takashi Satoh, Tamaki Wakasaki, Yasumasa Takeuchi, Masayuki Endo, Yasuaki Yokoyama
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Publication number: 20070135543Abstract: [Problem] To provide an adhesive composition which is used for fixing a semiconductor wafer or the like onto a substrate, exhibits firm adhesion with high heat resistance in the wafer grinding stage and is melted by heating to enable easy peeling after the completion of the wafer grinding stage. [Means to solve problem] The hot-melt adhesive composition of the invention is a composition containing as a main component a crystalline compound having a melting temperature of 50 to 300° C., and has a melting temperature width of not more than 30° C. and a melt viscosity of not more than 0.1 Pa·s. The crystalline compound as a main component is desired to be an organic compound composed of elements of C, H and O only and having a molecular weight of not more than 1000, preferably an aliphatic compound or an alicyclic compound, particularly preferably a compound having a steroid skeleton and/or a hydroxyl group.Type: ApplicationFiled: November 25, 2004Publication date: June 14, 2007Applicant: JSR CORPORATIONInventors: Kyouyu Yasuda, Nobuyuki Itou, Yasuaki Yokoyama, Michiko Yokoyama
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Publication number: 20070082965Abstract: It is an object of the present invention to provide a novel photo-curing composition which can be cured by light of a wide wavelength region including ultraviolet light or visible light, has such high sensitivity that it can be sufficiently cured by exposure to a small amount of light, can favorably form a fine pattern when used as a resist and provides a cured product having excellent heat resistance and insulating properties, and a negative photoresist composition using the photo-curing composition. It is another object of the present invention to provide a process for highly accurately and easily producing a polyimide thin film used for a medical instrument, and a medical instrument having the polyimide thin film. The photo-curing composition of the present invention comprises (A) a carbon cluster and/or its derivative, having a photosensitizing function, (B) a compound having plural heterocyclic rings in a molecule, and if necessary, (C) a photo-insensitive resin.Type: ApplicationFiled: November 13, 2003Publication date: April 12, 2007Applicant: JSR CorporationInventors: Kyouyu Yasuda, Yasuaki Yokoyama, Michiko Yokoyama, Naomi Shinoda, Risa Yokoyama, Nobuo Bessho
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Patent number: 7186448Abstract: The present invention relates to a method of temporarily and firmly fixing two solids to each other and to a composition used in the method, which is a method of temporarily fixing, comprising temporarily fixing the two solids to each other with a liquid crystal compound or a composition comprising the liquid crystal compound. This method is used for a method of temporarily fixing a pad for chemical mechanical polishing, for example, to polish a wafer for a semiconductor device fixed on a surface of a base plate, when one solid is a pad for chemical mechanical polishing of a wafer for a semiconductor device and the other is a base plate to fix the pad.Type: GrantFiled: May 12, 2003Date of Patent: March 6, 2007Assignee: JSR CorporationInventors: Yasuaki Yokoyama, Nobuo Bessho, Masaaki Hanamura
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Publication number: 20060275939Abstract: The present invention relates to a method of temporarily and firmly fixing two solids to each other and to a composition used in the method, which is a method of temporarily fixing, comprising temporarily fixing the two solids to each other with a liquid crystal compound or a composition comprising the liquid crystal compound. This method is used for a method of temporarily fixing a pad for chemical mechanical polishing, for example, to polish a wafer for a semiconductor device fixed on a surface of a base plate, when one solid is a pad for chemical mechanical polishing of a wafer for a semiconductor device and the other is a base plate to fix the pad.Type: ApplicationFiled: August 10, 2006Publication date: December 7, 2006Applicant: JSR CorporationInventors: Yasuaki Yokoyama, Nobuo Bessho, Masaaki Hanamura
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Composition for forming silicon-aluminum film, silicon-aluminum film and method for forming the same
Publication number: 20060257667Abstract: A composition for forming a silicon.aluminum film, containing a silicon compound and an aluminum compound. The silicon.aluminum film is obtained by forming a coating film of the above composition and treating it with heat and/or light. The silicon.aluminum film can easily be formed from the above composition by the above method at a low cost without requiring an expensive vacuum apparatus or high-frequency wave generator.Type: ApplicationFiled: December 24, 2003Publication date: November 16, 2006Applicant: JSR CORPORATIONInventors: Yasuaki Yokoyama, Michiko Yokoyama, Naomi Shinoda, Risa Yokoyama, Yasuo Matsuki -
Patent number: 7071084Abstract: There is provided a method for forming wiring or an electrode by coating a substrate with a composition comprising (A) a complex of an amine compound and a hydrogenated aluminum compound and (B) a titanium compound or a composition comprising the complex and (C) metal particles and subjecting the obtained coating film to heating and/or a light treatment. By the method, a film can be formed that uses a conductive film forming composition with which wiring and an electrode that can be suitably used for electronic devices can be formed easily and inexpensively.Type: GrantFiled: March 25, 2004Date of Patent: July 4, 2006Assignees: JSR Corporation, Sharp Corporation, International Center for Materials ResearchInventors: Yasuaki Yokoyama, Isamu Yonekura, Takashi Satoh, Tamaki Wakasaki, Yasumasa Takeuchi, Masayuki Endo
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Publication number: 20060024937Abstract: There is provided a method for forming wiring or an electrode by coating a substrate with a composition comprising (A) a complex of an amine compound and a hydrogenated aluminum compound and (B) a titanium compound or a composition comprising the complex and (C) metal particles and subjecting the obtained coating film to heating and/or a light treatment. By the method, a film can be formed that uses a conductive film forming composition with which wiring and an electrode that can be suitably used for electronic devices can be formed easily and inexpensively.Type: ApplicationFiled: September 29, 2005Publication date: February 2, 2006Applicants: JSR Corporation, SHARP CORPORATION, International Center for Materials ResearchInventors: Yasuaki Yokoyama, Isamu Yonekura, Takashi Satoh, Tamaki Wakasaki, Yasumasa Takeuchi, Masayuki Endo
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Patent number: 6953600Abstract: There are provided a conductive film forming composition capable of forming wiring or an electrode which can be suitably used in a variety of electronic devices, easily and inexpensively, a method for forming a film using the composition, a conductive film formed by the method, and wiring or an electrode which comprises the film. A conductive film forming composition comprising a complex of an amine compound and aluminum hydride and an organic solvent is applied on a substrate and then subjected to a heat treatment and/or irradiation with light, whereby a conductive film such as an electrode or wiring is produced.Type: GrantFiled: April 10, 2003Date of Patent: October 11, 2005Assignees: JSR Corporation, Sharp Corporation, International Center for Materials ResearchInventors: Yasuaki Yokoyama, Yasuo Matsuki, Ikuo Sakono, Kazuki Kobayashi, Yasumasa Takeuchi
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Patent number: 6875518Abstract: A composition capable of forming a metal ruthenium film and a ruthenium oxide film by a simple application/baking process, a process for forming a metal ruthenium film and a ruthenium oxide film from the composition, a metal ruthenium film and a ruthenium oxide film formed by the process, and electrodes formed of the films. A solution composition comprising a specific ruthenium complex. The coating film of this solution composition is heated in an atmosphere containing no oxygen or an atmosphere containing oxygen to form a metal ruthenium film or a ruthenium oxide film, respectively, and electrodes formed of the films.Type: GrantFiled: October 16, 2001Date of Patent: April 5, 2005Assignee: JSR CorporationInventors: Hiroshi Shiho, Hitoshi Kato, Yasuo Matsuki, Satoshi Ebata, Yoichiro Maruyama, Yasuaki Yokoyama
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Patent number: 6846513Abstract: Provided is a method of forming a silicon thin-film which comprises a step of arranging in one or more parts of a liquid arranging surface liquid which contains a silicide comprising ring silane and/or a derivative thereof, such ring silane comprising silicon and hydrogen, and a step of forming a silicon thin-film by vaporizing silicide from liquid and supplying the silicide to a thin-film-forming surface.Type: GrantFiled: December 28, 2001Date of Patent: January 25, 2005Assignee: Seiko Epson CorporationInventors: Masahiro Furusawa, Satoru Miyashita, Ichio Yudasaka, Tatsuya Shimoda, Yasuaki Yokoyama, Yasuo Matsuki, Yasumasa Takeuchi
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Publication number: 20040192038Abstract: There is provided a method for forming wiring or an electrode by coating a substrate with a composition comprising (A) a complex of an amine compound and a hydrogenated aluminum compound and (B) a titanium compound or a composition comprising the complex and (C) metal particles and subjecting the obtained coating film to heating and/or a light treatment. By the method, a film can be formed that uses a conductive film forming composition with which wiring and an electrode that can be suitably used for electronic devices can be formed easily and inexpensively.Type: ApplicationFiled: March 25, 2004Publication date: September 30, 2004Applicants: JSR Corporation, SHARP CORPORATION, International Center for Materials ResearchInventors: Yasuaki Yokoyama, Isamu Yonekura, Takashi Satoh, Tamaki Wakasaki, Yasumasa Takeuchi, Masayuki Endo
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Publication number: 20040185187Abstract: The present invention relates to a method of temporarily and firmly fixing two solids to each other and to a composition used in the method, which is a method of temporarily fixing, comprising temporarily fixing the two solids to each other with a liquid crystal compound or a composition comprising the liquid crystal compound. This method is used for a method of temporarily fixing a pad for chemical mechanical polishing, for example, to polish a wafer for a semiconductor device fixed on a surface of a base plate, when one solid is a pad for chemical mechanical polishing of a wafer for a semiconductor device and the other is a base plate to fix the pad.Type: ApplicationFiled: January 9, 2004Publication date: September 23, 2004Inventors: Yasuaki Yokoyama, Nobuo Bessho, Masaaki Hanamura
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Publication number: 20030224152Abstract: There are provided a conductive film forming composition capable of forming wiring or an electrode which can be suitably used in a variety of electronic devices, easily and inexpensively, a method for forming a film using the composition, a conductive film formed by the method, and wiring or an electrode which comprises the film.Type: ApplicationFiled: April 10, 2003Publication date: December 4, 2003Applicants: JSR CORPORATION, SHARP CORPORATION, International Center for Materials ResearchInventors: Yasuaki Yokoyama, Yasuo Matsuki, Ikuo Sakono, Kazuki Kobayashi, Yasumasa Takeuchi
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Publication number: 20030087110Abstract: Provided is a method of forming a silicon thin-film which comprises a step of arranging in one or more parts of a liquid arranging surface liquid which contains a silicide comprising ring silane and/or a derivative thereof, such ring silane comprising silicon and hydrogen, and a step of forming a silicon thin-film by vaporizing silicide from liquid and supplying the silicide to a thin-film-forming surface.Type: ApplicationFiled: December 28, 2001Publication date: May 8, 2003Applicant: SEIKO EPSON CORPORATIONInventors: Masahiro Furusawa, Satoru Miyashita, Ichio Yudasaka, Tatsuya Shimoda, Yasuaki Yokoyama, Yasuo Matsuki, Yasumasa Takeuchi
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Publication number: 20030008157Abstract: A composition capable of forming a metal ruthenium film and a ruthenium oxide film by a simple application/baking process, a process for forming a metal ruthenium film and a ruthenium oxide film from the composition, a metal ruthenium film and a ruthenium oxide film formed by the process, and electrodes formed of the films.Type: ApplicationFiled: June 17, 2002Publication date: January 9, 2003Inventors: Hiroshi Shiho, Hitoshi Kato, Yasuo Matsuki, Satoshi Ebata, Yoichiro Maruyama, Yasuaki Yokoyama
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Patent number: 6423463Abstract: A positive-tone photosensitive resin composition for forming a thick film which is suitably used for photofabrication such as manufacture of circuit boards, a photosensitive resin film, and a method of forming a bump using the same. The photosensitive resin composition comprising (A) a novolac resin with a weight average molecular weight of 2,000-30,000, (B) a polyvinyl lower alkyl ether, (C) a polyphenol derivative compound with a molecular weight of 200-1,000, and (D) a compound containing a naphthoquinonediazido group.Type: GrantFiled: February 29, 2000Date of Patent: July 23, 2002Assignee: JSR CorporationInventors: Masaru Oota, Isamu Mochizuki, Kouichi Hirose, Yasuaki Yokoyama, Hozumi Sato