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:
Jan. 14, 2025
Filed:
Mar. 25, 2022
Applicant:
Agc Inc., Tokyo, JP;
Inventors:
Yuji Imoto, Tokyo, JP;
Yusuke Fujiwara, Tokyo, JP;
Assignee:
AGC INC., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01); C03C 15/00 (2006.01); C09G 1/02 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 15/00 (2013.01); C03C 2203/50 (2013.01); C09G 1/02 (2013.01); Y10T 428/315 (2015.01);
Abstract
The present invention relates to a chemically strengthened glass including alkali metal ions, having a thickness of 0.20 mm or smaller, and having a pair of major surfaces that are opposed to each other and have been subjected to a chemically strengthening treatment, in which at least one of the pair of major surfaces has a core roughness depth Sk of 0.90 nm or smaller and a mean summit curvature Ssc of 13.0×10/nm or smaller.