Patents by Inventor Shuuichirou Adachi
Shuuichirou Adachi 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: 9390829Abstract: The paste composition for an electrode are constituted with copper-containing particles having a peak temperature of an exothermic peak showing a maximum area in the simultaneous ThermoGravimetry/Differential Thermal Analysis of 280° C. or higher, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for a photovoltaic cell electrode.Type: GrantFiled: January 25, 2011Date of Patent: July 12, 2016Assignee: HITACHI CHEMICAL COMPANY, LTD.Inventors: Masato Yoshida, Takeshi Nojiri, Mitsunori Iwamuro, Shuuichirou Adachi, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato
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Publication number: 20140060385Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: November 5, 2013Publication date: March 6, 2014Applicant: Hitachi Chemical Company, Ltd.Inventors: Youichi MACHII, Masato YOSHIDA, Takeshi NOJIRI, Kaoru OKANIWA, Mitsunori IWAMURO, Shuuichirou ADACHI, Takuya Aoyagi
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Patent number: 8410000Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.Type: GrantFiled: November 17, 2011Date of Patent: April 2, 2013Assignee: Hitachi Chemical Company, Ltd.Inventors: Youichi Machii, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Satou, Keiko Kizawa
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Patent number: 8404599Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second n-type diffusion layer forming composition which includes an n-type impurity-containing glass powder and a dispersion medium and in which a concentration of the n-type impurity is lower than that of the first n-type diffusion layer forming composition, where the first n-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first n-type diffusion layer forming composition and the second n-type diffusion layer forming composition are applied to form an n-type diffusion layer; and forming an electrode on the partial region.Type: GrantFiled: November 17, 2011Date of Patent: March 26, 2013Assignee: Hitachi Chemical Company, Ltd.Inventors: Youichi Machii, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Satou, Keiko Kizawa
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Publication number: 20130048921Abstract: A conductive material used for connecting electrodes of a solar battery cell and wiring members, the conductive material comprising a resin binder; and a conductive particle dispersed in the resin binder, wherein the conductive particle comprises a phosphorous-containing copper alloy having a phosphorus content of 0.01% by mass or more and 8% by mass or less.Type: ApplicationFiled: July 23, 2012Publication date: February 28, 2013Applicant: HITACHI CHEMICAL CO., LTD.Inventors: Yasuo Tsuruoka, Takeshi Nojiri, Shuuichirou Adachi, Takahiro Fukutomi, Waka Inoue, Kenzou Takemura, Michio Uruno
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Publication number: 20120184062Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: March 22, 2012Publication date: July 19, 2012Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Takuya Aoyagi
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Publication number: 20120178201Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: March 23, 2012Publication date: July 12, 2012Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Takuya Aoyagi
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Publication number: 20120122264Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.Type: ApplicationFiled: November 17, 2011Publication date: May 17, 2012Inventors: Youichi MACHII, Masato YOSHIDA, Takeshi NOJIRI, Kaoru OKANIWA, Mitsunori IWAMURO, Shuuichirou ADACHI, Akihiro ORITA, Tetsuya SATOU, Keiko KIZAWA
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Publication number: 20120122263Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second n-type diffusion layer forming composition which includes an n-type impurity-containing glass powder and a dispersion medium and in which a concentration of the n-type impurity is lower than that of the first n-type diffusion layer forming composition, where the first n-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first n-type diffusion layer forming composition and the second n-type diffusion layer forming composition are applied to form an n-type diffusion layer; and forming an electrode on the partial region.Type: ApplicationFiled: November 17, 2011Publication date: May 17, 2012Inventors: Youichi MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Satou, Keiko Kizawa
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Publication number: 20120122265Abstract: The method for producing a photovoltaic cell includes applying an n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium onto a first region on one surface side of a semiconductor substrate; applying a p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium onto a second region other than the first region on the surface of the semiconductor substrate where the first region is provided; a thermal diffusion process in which an n-type diffusion layer and a p-type diffusion layer are formed by heat-treating the semiconductor substrate onto which the n-type diffusion layer forming composition and the p-type diffusion layer forming composition are applied; and forming an electrode on each of the first region where the n-type diffusion layer is formed and the second region where the p-type diffusion layer is formed, respectively.Type: ApplicationFiled: November 17, 2011Publication date: May 17, 2012Inventors: Youichi Machii, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Satou, Keiko Kizawa
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Publication number: 20110277831Abstract: The paste composition for an electrode are constituted with copper-containing particles having a peak temperature of an exothermic peak showing a maximum area in the simultaneous ThermoGravimetry/Differential Thermal Analysis of 280° C. or higher, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for a photovoltaic cell electrode.Type: ApplicationFiled: January 25, 2011Publication date: November 17, 2011Inventors: Masato YOSHIDA, Takeshi Nojiri, Mitsunori Iwamuro, Shuuichirou Adachi, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato
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Publication number: 20110256658Abstract: In a method for producing a photovoltaic cell, the improvement comprising: 1) coating a portion of a semiconductor substrate with a layer of a composition comprising donor element-containing glass particles and a dispersion medium, and 2) heating the coated semiconductor substrate to a temperature sufficient to cause donor element diffusion from the glass particles into the semiconductor substrate so as to form an n-type diffusion region in the semiconductor substrate.Type: ApplicationFiled: January 25, 2011Publication date: October 20, 2011Inventors: YOUICHI MACHII, Masato Yoshida, Takashi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Sato, Keiko Kizawa
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Publication number: 20110209751Abstract: The paste composition for an electrode according to the present invention includes metal particles containing copper as a main component, a flux, glass particles, a solvent, and a resin. Further, a photovoltaic cell according to the present invention has an electrode formed by using the paste composition for an electrode.Type: ApplicationFiled: January 25, 2011Publication date: September 1, 2011Inventors: Takeshi Nojiri, Masato Yoshida, Mitsunori Iwamuro, Shuuichirou Adachi, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato
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Publication number: 20110212564Abstract: In a method for producing a photovoltaic cell, the improvement comprising: 1) coating a portion of a semiconductor substrate with a layer of a composition comprising acceptor element-containing glass particles and a dispersion medium, and 2) heating the coated semiconductor substrate to a temperature sufficient to cause acceptor element diffusion from the glass particles into the semiconductor substrate so as to form an p-type diffusion region in the semiconductor substrate.Type: ApplicationFiled: January 25, 2011Publication date: September 1, 2011Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Akihiro Orita, Tetsuya Sato, Keiko Kizawa
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Publication number: 20110195540Abstract: The composition for forming a p-type diffusion layer in accordance with the present invention contains an acceptor element-containing glass powder and a dispersion medium. A p-type diffusion layer and a photovoltaic cell having a p-type diffusion layer are prepared by applying the composition for forming a p-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: January 25, 2011Publication date: August 11, 2011Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi
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Publication number: 20110195541Abstract: The composition for forming an n-type diffusion layer in accordance with the present invention contains a donor element-containing glass powder and a dispersion medium. An n-type diffusion layer and a photovoltaic cell having an n-type diffusion layer are prepared by applying the composition for forming an n-type diffusion layer, followed by a thermal diffusion treatment.Type: ApplicationFiled: January 25, 2011Publication date: August 11, 2011Inventors: YOUICHI MACHII, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuuichirou Adachi, Takuya Aoyagi
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Publication number: 20110180139Abstract: The paste composition for an electrode of the first aspect of the present invention includes silver alloy particles, glass particles, a resin, and a solvent. The paste composition for an electrode of the second aspect of the present invention includes copper particles, silver or silver alloy particles, glass particles containing P2O5 and V2O5, a resin, and a solvent, in which the content of the copper particles to the silver or silver alloy particles is from 9% by mass to 88% by mass. Further, the cell of a photovoltaic cell of the present invention has an electrode formed by using the paste composition for an electrode.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Inventors: SHUUICHIROU ADACHI, Masato Yoshida, Takeshi Nojiri, Mitsunori Iwamuro, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato
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Publication number: 20110180137Abstract: The paste composition for an electrode are constituted with metal particles having copper as a main component, a phosphorous-containing compound, glass particles, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Inventors: Mitsunori Iwamuro, Masato Yoshida, Takeshi Nojiri, Shuuichirou Adachi, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato
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Publication number: 20110180138Abstract: The paste composition for an electrode includes metal particles having copper as a main component, glass particles including diphosphorus pentoxide and divanadium pentoxide and having a content of divanadium pentoxide of 1% by mass or more, a solvent, and a resin. Further, the photovoltaic cell has an electrode formed by using the paste composition for an electrode.Type: ApplicationFiled: January 25, 2011Publication date: July 28, 2011Inventors: Shuuichirou Adachi, Masato Yoshida, Takeshi Nojiri, Mitsunori Iwamuro, Keiko Kizawa, Takuya Aoyagi, Hiroki Yamamoto, Takashi Naito, Takahiko Kato