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1.发明公开公开(公告)号：US20240279103A1
公开(公告)日：2024-08-22
申请号：US18652972
申请日：2024-05-02
Applicant: AGC Inc.
Inventor： Takanori FUKUSHI , Mizuki MATSUOKA , Hiroshi KOMATSU , Satoshi KANASUGI
CPC classification number: C03B23/03 , C03C10/00 , C03C10/0027 , C03C10/0054 , C03C21/002
Abstract: The present invention relates to a glass ceramic having a three-dimensional shape including a plurality of round shapes including a minimum round shape having an average curvature radius of 5.0×102 mm or less and a maximum round shape having an average curvature radius of 1.0×103 mm or more, in which the glass ceramic has a sheet thickness t [mm], and a value obtained by dividing a maximum value of retardation [nm] measured by the following measurement method by the sheet thickness t [mm] is 50 [nm/mm] or less, measurement method: retardation is measured using a birefringence measuring device by vertically irradiating one or more points on an arc of each of the round shapes with light having a wavelength of 543 nm.
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2.发明申请公开(公告)号：US20190071361A1
公开(公告)日：2019-03-07
申请号：US16180430
申请日：2018-11-05
Applicant: AGC Inc.
Inventor： Kazuo HAMASHIMA , Mizuki MATSUOKA
Abstract: To form, on a ceramic member or a metal member, a thermal spray ceramic coating film which achieves both the quality of a ceramic coating film and gas barrier property, and with which a composite oxide having a melting point lower than the ambient temperature will not form when used as a coating film on a ceramic member or a metal member constituting a glass article manufacturing apparatus.A ceramic coating film-provided member comprising a ceramic member or a metal member and a thermal spray ceramic coating film formed on at least a part of the surface of the ceramic member or the metal member, wherein the thermal spray ceramic coating film contains Al2O3 and 12CaO.7Al2O3, and the weight ratio of CaO to Al2O3 (CaO/Al2O3) is more than 0.11 to 0.50.
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