Patents by Inventor Kazumasa Igarashi
Kazumasa Igarashi 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: 11923177Abstract: A plasma processing apparatus includes: a processing container having a vertical tubular shape and an opening formed in a side wall of the processing container, the processing container configured to accommodate a plurality of substrates in multiple stages; a plasma partition wall airtightly provided on an outer wall of the processing container and configured to cover the opening and define a plasma generation space; a plasma electrode provided along the plasma partition wall; and a processing gas supplier provided outside the plasma generation space and configured to supply a plasma generation gas.Type: GrantFiled: July 6, 2021Date of Patent: March 5, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Keiji Tabuki, Yamato Tonegawa, Kazumasa Igarashi, Kazuo Yabe
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Publication number: 20230395368Abstract: A substrate processing method includes preparing a substrate having a target film including silicon, carbon, and nitrogen on a surface of the substrate; supplying hydrogen gas and oxygen gas to the target film to oxidize a surface layer of the target film and form an oxide film; and etching the oxide film.Type: ApplicationFiled: May 12, 2023Publication date: December 7, 2023Inventors: Kazumasa IGARASHI, Yamato TONEGAWA, Jun OGAWA, Yuki TANAKA
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Publication number: 20230395371Abstract: A substrate processing method includes housing, in a processing container, a substrate having an insulating film on a surface of the substrate; exposing the insulating film to plasma generated from a gas including deuterium gas in a state where the substrate housed in the processing container is maintained at a first temperature, to introduce deuterium into the insulating film; and heat-treating the insulating film without exposing the insulating film to the plasma in a state where the substrate housed in the processing container is controlled to be at a second temperature that is different from the first temperature, to adjust concentration of the deuterium introduced into the insulating film.Type: ApplicationFiled: May 10, 2023Publication date: December 7, 2023Inventors: Kazumasa IGARASHI, Jun OGAWA, Yuki TANAKA
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Patent number: 11781219Abstract: A processing apparatus includes a processing container accommodating a substrate therein, a plasma generator having a plasma generation space communicating with an inside of the processing container, a first gas supply provided in the plasma generation space and configured to supply a hydrogen gas, and a second gas supply provided in the processing container and configured to supply a hydrogen gas.Type: GrantFiled: March 16, 2020Date of Patent: October 10, 2023Assignee: TOKYO ELECTRON LIMITEDInventors: Kazuo Yabe, Kazumasa Igarashi, Yamato Tonegawa
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Publication number: 20220293394Abstract: An ignition method in a plasma processing apparatus includes: applying a first radio frequency from a radio-frequency power supply to an electrode of a plasma generator, thereby igniting plasma from a gas, the radio-frequency power supply being capable of applying a radio frequency of a variably controlled frequency to the electrode of the plasma generator; and applying a second radio frequency different from the first radio frequency to the electrode of the plasma generator after a predetermined time is elapsed after applying the first radio frequency to the electrode of the plasma generator.Type: ApplicationFiled: March 4, 2022Publication date: September 15, 2022Inventors: Takeshi KOBAYASHI, Takeshi ANDO, Kazumasa IGARASHI
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Publication number: 20220013333Abstract: A plasma processing apparatus includes: a processing container having a vertical tubular shape and an opening formed in a side wall of the processing container, the processing container configured to accommodate a plurality of substrates in multiple stages; a plasma partition wall airtightly provided on an outer wall of the processing container and configured to cover the opening and define a plasma generation space; a plasma electrode provided along the plasma partition wall; and a processing gas supplier provided outside the plasma generation space and configured to supply a plasma generation gas.Type: ApplicationFiled: July 6, 2021Publication date: January 13, 2022Inventors: Keiji TABUKI, Yamato TONEGAWA, Kazumasa IGARASHI, Kazuo YABE
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Publication number: 20200299839Abstract: A processing apparatus includes a processing container accommodating a substrate therein, a plasma generator having a plasma generation space communicating with an inside of the processing container, a first gas supply provided in the plasma generation space and configured to supply a hydrogen gas, and a second gas supply provided in the processing container and configured to supply a hydrogen gas.Type: ApplicationFiled: March 16, 2020Publication date: September 24, 2020Inventors: Kazuo YABE, Kazumasa IGARASHI, Yamato TONEGAWA
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Patent number: 10025432Abstract: Provided is a capacitive touch panel which has enhanced sensitivity and is usable in an image display panel, etc. in this capacitive touch panel, a window, a first transparent film having a first transparent conductive electrode pattern formed on one surface thereof, and a second transparent film having a second transparent conductive electrode pattern which is formed on one surface thereof and disposed with respect to the first transparent film in such a manner as to allow a capacitance to be formed therebetween, are stacked in turn. The capacitive touch panel comprises a first transparent inter-layer resin provided between the window and the first transparent film, and a second transparent inter-layer resin provided between the first transparent film and the second transparent film, wherein the first transparent inter-layer resin has a dielectric constant greater than that of the second transparent inter-layer resin.Type: GrantFiled: June 20, 2012Date of Patent: July 17, 2018Assignee: NITTO DENKO CORPORATIONInventors: Hiroaki Kishioka, Mayumi Kishioka, Tomohide Banba, Mitsuru Honjo, Naoki Nagaoka, Kazumasa Igarashi, Yuki Hasegawa, Hiroshi Wada, Yuki Tsubaki, Tomotake Nashiki
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Patent number: 9777366Abstract: A thin film forming method which forms a seed film and an impurity-containing silicon film on a surface of an object to be processed in a processing container configured to be vacuum exhaustible, the thin film forming method includes: performing a first step which forms the seed film formed of a compound of silicon, carbon and nitrogen on the surface of the object by supplying a seed film raw material gas comprising an aminosilane-based gas into the processing container; and performing a second step which forms the impurity-containing silicon film in an amorphous state on the seed film by supplying a silane-based gas and an impurity-containing gas into the processing container.Type: GrantFiled: June 4, 2015Date of Patent: October 3, 2017Assignee: TOKYO ELECTRON LIMITEDInventors: Akinobu Kakimoto, Atsushi Endo, Takahiro Miyahara, Shigeru Nakajima, Satoshi Takagi, Kazumasa Igarashi
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Patent number: 9145604Abstract: A thin film forming method which forms a seed film and an impurity-containing silicon film on a surface of an object to be processed in a processing container configured to be vacuum exhaustible includes: performing a first step which forms the seed film by supplying a seed film raw material gas including at least any one of an aminosilane-based gas and a higher silane into the processing container; and performing a second step which forms the impurity-containing silicon film in an amorphous state by supplying a silane-based gas and an impurity-containing gas into the processing container.Type: GrantFiled: September 27, 2012Date of Patent: September 29, 2015Assignee: TOKYO ELECTRON LIMITEDInventors: Akinobu Kakimoto, Atsushi Endo, Takahiro Miyahara, Shigeru Nakajima, Satoshi Takagi, Kazumasa Igarashi
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Publication number: 20150270126Abstract: A thin film forming method which forms a seed film and an impurity-containing silicon film on a surface of an object to be processed in a processing container configured to be vacuum exhaustible, the thin film forming method includes: performing a first step which forms the seed film formed of a compound of silicon, carbon and nitrogen on the surface of the object by supplying a seed film raw material gas comprising an aminosilane-based gas into the processing container; and performing a second step which forms the impurity-containing silicon film in an amorphous state on the seed film by supplying a silane-based gas and an impurity-containing gas into the processing container.Type: ApplicationFiled: June 4, 2015Publication date: September 24, 2015Inventors: Akinobu KAKIMOTO, Atsushi ENDO, Takahiro MIYAHARA, Shigeru NAKAJIMA, Satoshi TAKAGI, Kazumasa IGARASHI
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Patent number: 8895414Abstract: A method of forming an amorphous silicon film includes: forming a seed layer on a surface of a base by heating the base and supplying an amino silane-based gas to the heated base, forming the amorphous silicon film with thickness for layer growth on the seed layer by heating the base and supplying a silane-based gas containing no amino group to the seed layer on the surface of the heated base, and decreasing a film thickness of the amorphous silicon film by etching the amorphous silicon film formed with thickness for layer growth.Type: GrantFiled: July 3, 2014Date of Patent: November 25, 2014Assignee: Tokyo Electron LimitedInventors: Akinobu Kakimoto, Satoshi Takagi, Kazumasa Igarashi
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Publication number: 20140342534Abstract: A method of forming an amorphous silicon film includes: forming a seed layer on a surface of a base by heating the base and supplying an amino silane-based gas to the heated base, forming the amorphous silicon film with thickness for layer growth on the seed layer by heating the base and supplying a silane-based gas containing no amino group to the seed layer on the surface of the heated base, and decreasing a film thickness of the amorphous silicon film by etching the amorphous silicon film formed with thickness for layer growth.Type: ApplicationFiled: July 3, 2014Publication date: November 20, 2014Inventors: Akinobu KAKIMOTO, Satoshi TAKAGI, Kazumasa IGARASHI
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Patent number: 8802547Abstract: A method of forming an amorphous silicon film includes: forming a seed layer on a surface of a base by heating the base and supplying an amino silane-based gas to the heated base, forming the amorphous silicon film with thickness for layer growth on the seed layer by heating the base and supplying a silane-based gas containing no amino group to the seed layer on the surface of the heated base, and decreasing a film thickness of the amorphous silicon film by etching the amorphous silicon film formed with thickness for layer growth.Type: GrantFiled: July 19, 2012Date of Patent: August 12, 2014Assignee: Tokyo Electron LimitedInventors: Akinobu Kakimoto, Satoshi Takagi, Kazumasa Igarashi
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Patent number: 8765833Abstract: A UV-curable optical resin adhesive composition is provided having excellent transparency, adhesion reliability, and durability without causing any adverse affect on image qualities such as luminance and contrast, and suitable for a reworking (repairing) process. The UV-curable optical resin adhesive composition fills a gap between an image display panel and a protective cover plate. The UV-curable optical resin adhesive composition contains, a urethane acrylate-based polymer (A) having a (meth) acryloyl group and a hydroxyl group on side chains thereof, and a photopolymerization initiator (B).Type: GrantFiled: January 27, 2012Date of Patent: July 1, 2014Assignee: Nitto Denko CorporationInventors: Kazumasa Igarashi, Yuki Hasegawa
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Patent number: 8541099Abstract: The present invention provides a low-modulus low-stress resin which has such heat resistance that cohesive force and reliability can be retained even at high temperatures and which is applicable as various functional materials. The resin is a thermoplastic resin having a modulus of elasticity at room temperature, 25° C., of 1 GPa or lower and a modulus of elasticity at 250° C. of 1 MPa or higher, or a precursor resin thereof.Type: GrantFiled: January 8, 2009Date of Patent: September 24, 2013Assignee: Nitto Denko CorporationInventors: Hirofumi Fujii, Yoshio Terada, Kazumasa Igarashi
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Publication number: 20130084693Abstract: A thin film forming method which forms a seed film and an impurity-containing silicon film on a surface of an object to be processed in a processing container configured to be vacuum exhaustible includes: performing a first step which forms the seed film by supplying a seed film raw material gas including at least any one of an aminosilane-based gas and a higher silane into the processing container; and performing a second step which forms the impurity-containing silicon film in an amorphous state by supplying a silane-based gas and an impurity-containing gas into the processing container.Type: ApplicationFiled: September 27, 2012Publication date: April 4, 2013Applicant: TOKYO ELECTRON LIMITEDInventors: Akinobu KAKIMOTO, Atsushi ENDO, Takahiro MIYAHARA, Shigeru NAKAJIMA, Satoshi TAKAGI, Kazumasa IGARASHI
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Publication number: 20130023110Abstract: A method of forming an amorphous silicon film includes: forming a seed layer on a surface of a base by heating the base and supplying an amino silane-based gas to the heated base, forming the amorphous silicon film with thickness for layer growth on the seed layer by heating the base and supplying a silane-based gas containing no amino group to the seed layer on the surface of the heated base, and decreasing a film thickness of the amorphous silicon film by etching the amorphous silicon film formed with thickness for layer growth.Type: ApplicationFiled: July 19, 2012Publication date: January 24, 2013Applicant: TOKYO ELECTRON LIMITEDInventors: Akinobu KAKIMOTO, Satoshi TAKAGI, Kazumasa IGARASHI
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Publication number: 20120260980Abstract: A dye-sensitized solar cell of a polymer resin type is provided, which is excellent in sealability. A counter electrode substrate provided with an electrically conductive transparent electrode layer and a working electrode substrate provided with an electrically conductive transparent electrode layer are opposed to each other with the electrode layers facing inward. A space defined between the substrates is sealed with a seal member disposed along peripheries of inner surfaces of the substrates. An electrolyte solution is filled in the sealed space. The substrates are each made of a polymer resin material. Inorganic layers are provided between the substrates and the electrode layers. The seal member is composed of a material obtained by curing a photopolymerizable composition essentially comprising a specific hydrogenated elastomer derivative. The inorganic layers each have a portion coated with a (meth)acryloxyalkylsilane silane coupling agent in contact with the seal member.Type: ApplicationFiled: March 27, 2012Publication date: October 18, 2012Applicant: NITTO DENKO CORPORATIONInventors: Kazumasa Igarashi, Yuki Hasegawa, Naoko Yoshida, Yasumi Yamada, Kazuaki Sasa
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Publication number: 20120214896Abstract: A UV-curable optical resin adhesive composition is provided having excellent transparency, adhesion reliability, and durability without causing any adverse affect on image qualities such as luminance and contrast, and suitable for a reworking (repairing) process. The UV-curable optical resin adhesive composition fills a gap between an image display panel and a protective cover plate. The UV-curable optical resin adhesive composition contains, a urethane acrylate-based polymer (A) having a (meth) acryloyl group and a hydroxyl group on side chains thereof, and a photopolymerization initiator (B).Type: ApplicationFiled: January 27, 2012Publication date: August 23, 2012Applicant: NITTO DENKO CORPORATIONInventors: Kazumasa Igarashi, Yuki Hasegawa