The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2023
Filed:
Jan. 21, 2020
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01); C03B 32/02 (2006.01); C03C 10/00 (2006.01); C03C 4/00 (2006.01); C03C 4/18 (2006.01); B32B 17/10 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); B32B 17/10 (2013.01); C03B 32/02 (2013.01); C03C 4/0028 (2013.01); C03C 4/18 (2013.01); C03C 10/0027 (2013.01); C03C 10/0054 (2013.01); C03C 2204/00 (2013.01);
Abstract
The purpose of the present invention is to provide a chemically strengthened glass having excellent transparency and strength and being scratch resistant. The present invention pertains to a chemically strengthened glass that: has a compressive stress layer on the surface thereof; has a visible light transmittance of at least 70% when the thickness thereof is converted to 0.8 mm; has a surface compressive stress of at least 600 MPa; has a compressive stress depth of at least 80 μm; and contains a β-spodumene.