Patents by Inventor Yu HANAWA
Yu HANAWA 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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Publication number: 20230357091Abstract: The present invention relates to a laminated member, including: a glass member having a linear transmittance at a wavelength of 850 nm of 80% or more; a bonding layer containing a resin and lying on the glass member; and a Si—SiC member lying on the bonding layer, in which the glass member includes predetermined amounts of SiO2, Al2O3, B2O3, and P2O5, the Si—SiC member has an average linear expansion coefficient ? at 20 to 200° C. of 2.85 to 4.00 ppm/° C., and has an average linear expansion coefficient ? at 20 to 200° C. of 1.50 to 5.00 ppm/° C., and the laminated member has an absolute value |???|, which is a value obtained by subtracting ? from ?, of 2.00 ppm/° C. or less.Type: ApplicationFiled: July 18, 2023Publication date: November 9, 2023Applicant: AGC Inc.Inventors: Yu HANAWA, Shuhei OGAWA, Seiji INABA
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Patent number: 11753330Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO:15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion ? of 56-90 (×10?7/° C.) at 50° C.-350° C.Type: GrantFiled: September 21, 2021Date of Patent: September 12, 2023Assignee: AGC INC.Inventors: Yu Hanawa, Kazutaka Ono, Shigeki Sawamura
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Patent number: 11715673Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: GrantFiled: July 6, 2021Date of Patent: August 1, 2023Assignee: AGC Inc.Inventors: Yu Hanawa, Shigeki Sawamura, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Publication number: 20230107722Abstract: The present invention relates to a laminated member including: a glass member having a linear transmittance at a wavelength of 850 nm of 80% or more; a bonding layer including a resin and lying on the glass member; and a Si—SiC member lying on the bonding member, in which the Si—SiC member has an average linear expansion coefficient ? at from 20° C. to 200° C. of from 2.85 ppm/° C. to 4.00 ppm/° C.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: AGC Inc.Inventors: Yu HANAWA, Shuhei OGAWA, Seiji INABA, Hiroyuki YAMAMOTO
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Publication number: 20220002183Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO:15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion ? of 56-90 (×10?7/° C.) at 50° C.-350° C.Type: ApplicationFiled: September 21, 2021Publication date: January 6, 2022Applicant: AGC INC.Inventors: Yu HANAWA, Kazutaka ONO, Shigeki SAWAMURA
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Publication number: 20210366760Abstract: A glass substrate is laminated with a substrate containing silicon to thereby form a laminated substrate. The glass substrate has a concave surface and a convex surface and has one or more marks that distinguish between the concave surface and the convex surface.Type: ApplicationFiled: August 10, 2021Publication date: November 25, 2021Applicant: AGC Inc.Inventors: Yu Hanawa, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Patent number: 11180407Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO: 15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion ? of 56-90 (×10?7/° C.) at 50° C.-350° C.Type: GrantFiled: March 29, 2018Date of Patent: November 23, 2021Assignee: AGC Inc.Inventors: Yu Hanawa, Kazutaka Ono, Shigeki Sawamura
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Publication number: 20210343610Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: ApplicationFiled: July 6, 2021Publication date: November 4, 2021Applicant: AGC Inc.Inventors: Yu HANAWA, Shigeki SAWAMURA, Shuhei NOMURA, Kazutaka ONO, Nobuhiko TAKESHITA, Keisuke HANASHIMA
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Patent number: 11133215Abstract: A glass substrate is laminated with a substrate containing silicon to thereby form a laminated substrate. The glass substrate has a concave surface and a convex surface and has one or more marks that distinguish between the concave surface and the convex surface.Type: GrantFiled: January 23, 2018Date of Patent: September 28, 2021Assignee: AGC Inc.Inventors: Yu Hanawa, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Patent number: 11114356Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: GrantFiled: August 29, 2019Date of Patent: September 7, 2021Assignee: AGC Inc.Inventors: Yu Hanawa, Shigeki Sawamura, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Patent number: 10882778Abstract: A glass substrate includes, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 55%-75%, Al2O3: 2%-15%, MgO: 0%-10%, CaO: 0%-10%, SrO: 0%-10%, BaO: 0%-15%, ZrO2: 0%-5%, Na2O: 0%-20%, K2O: 5%-30%, and Li2O: 0%-5.0%. The glass substrate has a total content of alkali metal oxides, as represented by mole percentage based on oxides, of 10%-30%, a value obtained by dividing the total content of alkali metal oxides by the content of SiO2 of 0.50 or smaller, a value obtained by dividing the content of Na2O by a value obtained by subtracting the content of Al2O3 from a total content of Na2O and K2O of 0.90 or smaller, and an average coefficient of thermal expansion ?1 at 50° C.-350° C. of 11 ppm/° C.-16 ppm/° C.Type: GrantFiled: June 26, 2018Date of Patent: January 5, 2021Assignee: AGC Inc.Inventors: Shigeki Sawamura, Kazutaka Ono, Yu Hanawa
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Patent number: 10562805Abstract: A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 ?m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 ?m from the surface of the thick part is 0.7 to 15 mass ppm.Type: GrantFiled: December 22, 2017Date of Patent: February 18, 2020Assignee: AGC Inc.Inventors: Yu Hanawa, Masamichi Tanida
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Patent number: 10515864Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: GrantFiled: November 27, 2017Date of Patent: December 24, 2019Assignee: AGC Inc.Inventors: Yu Hanawa, Shigeki Sawamura, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Publication number: 20190385920Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: ApplicationFiled: August 29, 2019Publication date: December 19, 2019Applicant: AGC Inc.Inventors: Yu Hanawa, Shigeki Sawamura, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Patent number: 10478784Abstract: There is provided a glass substrate for observing minute substance, made of porous glass and capable of separating and capturing a minute substance with a 10 to 500 nm average particle diameter contained in a solution or a suspension, comprising a porous glass substrate having a plurality of pores, wherein the plurality of pores has an average pore diameter ranging from 30 to 110% of the average particle diameter of the minute substance, each of the plurality of pores has a surface pore diameter on an uppermost surface of the glass substrate, a standard deviation of the surface pore diameter is 60% or less of the average particle diameter of the minute substance, and a pore with a pore diameter ranging from 60 to 140% of a pore diameter at peak top in a pore diameter distribution of the plurality of pores occupies 90% or more of total pore volume.Type: GrantFiled: August 22, 2017Date of Patent: November 19, 2019Assignee: AGC Inc.Inventors: Shuji Yamazaki, Shuichiro Kimura, Kenji Kitaoka, Yu Hanawa
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Publication number: 20180305241Abstract: A glass substrate includes, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 55%-75%, Al2O3: 2%-15%, MgO: 0%-10%, CaO: 0%-10%, SrO: 0%-10%, BaO: 0%-15%, ZrO2: 0%-5%, Na2O: 0%-20%, K2O: 5%-30%, and Li2O: 0%-5.0%. The glass substrate has a total content of alkali metal oxides, as represented by mole percentage based on oxides, of 10%-30%, a value obtained by dividing the total content of alkali metal oxides by the content of SiO2 of 0.50 or smaller, a value obtained by dividing the content of Na2O by a value obtained by subtracting the content of Al2O3 from a total content of Na2O and K2O of 0.90 or smaller, and an average coefficient of thermal expansion ?1 at 50° C.-350° C. of 11 ppm/° C.-16 ppm/° C.Type: ApplicationFiled: June 26, 2018Publication date: October 25, 2018Applicant: Asahi Glass Company, LimitedInventors: Shigeki SAWAMURA, Kazutaka Ono, Yu Hanawa
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Publication number: 20180222787Abstract: A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO2: 58-75%, Al2O3: 4.5-16%, B2O3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO: 15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion ? of 56-90 (×10?7/° C.) at 50° C.-350° C.Type: ApplicationFiled: March 29, 2018Publication date: August 9, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yu HANAWA, Kazutaka Ono, Shigeki Sawamura
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Publication number: 20180151408Abstract: A glass substrate is laminated with a substrate containing silicon to thereby form a laminated substrate. The glass substrate has a concave surface and a convex surface and has one or more marks that distinguish between the concave surface and the convex surface.Type: ApplicationFiled: January 23, 2018Publication date: May 31, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yu Hanawa, Shuhei Nomura, Kazutaka Ono, Nobuhiko Takeshita, Keisuke Hanashima
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Publication number: 20180118610Abstract: A sintered formed body containing a glass in which undesired coloring in a blackish color, incomplete sintering, a lack of strength, and formation of bubbles are suppressed, and an article provided with the same are provided. Provided are a sintered formed body and an article provided with the same, the sintered formed body consisting of a sintered body containing a glass, and having a thick part with a thickness of 60 ?m or more, in which a carbon content from a position of a surface of the thick part to a position at a depth of at least 30 ?m from the surface of the thick part is 0.7 to 15 mass ppm.Type: ApplicationFiled: December 22, 2017Publication date: May 3, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yu HANAWA, Masamichi TANIDA
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Publication number: 20180082914Abstract: The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 ?m to 300 ?m, and an inclination angle due to the warpage of 0.0004° to 0.12°.Type: ApplicationFiled: November 27, 2017Publication date: March 22, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yu HANAWA, Shigeki SAWAMURA, Shuhei NOMURA, Kazutaka ONO, Nobuhiko TAKESHITA, Keisuke HANASHIMA