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公开(公告)号：US11495816B2
公开(公告)日：2022-11-08
申请号：US15714419
申请日：2017-09-25
申请人： AGC Inc.
IPC分类号： H01M4/86 , H01M4/88 , H01M8/10 , H01M8/1072 , H01M8/1039 , H01M8/1051 , H01M8/1023 , H01M8/1004 , H01M8/1048 , H01M8/1081
摘要： A method for producing a liquid composition containing a fluoropolymer having sulfonic acid groups, trivalent cerium ions and water, by (1) irradiating a solution containing at least one cerium compound selected from cerium carbonate, cerium hydroxide and cerium oxide, the fluoropolymer and the water, with light at least partially in a wavelength region from 300 to 400 nm so that the ultraviolet irradiance on the surface of the solution is at least 0.1 mW/cm2 or (2) adding a reducing agent to a solution containing at least one cerium compound selected from cerium carbonate, cerium hydroxide and cerium oxide, the fluoropolymer and the water.
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公开(公告)号：US12071370B2
公开(公告)日：2024-08-27
申请号：US17160468
申请日：2021-01-28
申请人： AGC Inc.
发明人： Hirofumi Tokunaga , Daisuke Kobayashi , Kazutaka Ono , Atsuyoshi Takenaka , Yoshitaka Maeyanagi
CPC分类号： C03C21/008 , C03C3/087 , C03C3/091 , C03C17/009 , C03C19/00 , G02F1/133512 , C03C2203/10
摘要： The present invention relates to a glass substrate including a pair of main surfaces and an end surface, and having a surface layer diffusion Sn atom concentration of 2.0×1018 atomic/cm3 or more and 1.4×1019 atomic/cm3 or less in at least one of the main surfaces, the surface layer diffusion Sn atom concentration being obtained by subtracting an Sn atom concentration of an inside of the glass substrate from an Sn atom concentration of a surface layer of the glass substrate, in which the Sn atom concentration of a surface layer of the glass substrate is defined as an Sn atom concentration at a depth of 0.1 to 0.3 μm from the main surface and the Sn atom concentration of an inside of the glass substrate is defined as an Sn atom concentration at a depth of 9.0 to 9.2 μm from the main surface.
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