Invention Grant
- Patent Title: Crystallized glass and chemically strengthened glass
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Application No.: US16747586Application Date: 2020-01-21
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Publication No.: US11274058B2Publication Date: 2022-03-15
- Inventor: Qing Li , Akio Koike , Kazuki Kanehara
- Applicant: AGC Inc.
- Applicant Address: JP Chiyoda-ku
- Assignee: AGC Inc.
- Current Assignee: AGC Inc.
- Current Assignee Address: JP Chiyoda-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JPJP2017-144868 20170726,JPJP2018-002200 20180110,JPJP2018-043494 20180309
- Main IPC: C03C10/00
- IPC: C03C10/00 ; C03C3/097 ; C03B32/02 ; C03C3/083 ; C03C21/00

Abstract:
A crystallized glass that: has a visible light transmittance of at least 85% when the thickness thereof is converted to 0.8 mm; has a haze value of no more than 1.0% when the thickness thereof is converted to 0.8 mm; contains, in terms of mass % on an oxide basis, 58%-70% SiO2, 15%-30% Al2O3, 2%-10% Li2O, 0%-5% Na2O, 0%-2% K2O, 0%-1.8% SrO, 0%-2% BaO, 0.5%-6% SnO2, 0.5%-6% ZrO2, and 0%-6% P2O5; has a total SrO and BaO content of 0.1%-3%; and has a total Na2O and K2O content of 1%-5%.
Public/Granted literature
- US20200239354A1 CRYSTALLIZED GLASS AND CHEMICALLY STRENGTHENED GLASS Public/Granted day:2020-07-30
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