logo

For the Inventor, By the Inventor

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.:

US 11365149 B1

PDFFull Text
Date of Patent:
Jun. 21, 2022

Filed:

Jun. 13, 2019

Chemically strengthened glass and method for manufacturing chemically strengthened glass

Applicant:

Agc Inc., Chiyoda-ku, JP;

Inventors:

Suguru Murayama, Tokyo, JP;

Yuriko Banno, Tokyo, JP;

Assignee:

AGC INC., Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

David Sample

Int. Cl.
CPC ...
C03C 21/00 (2006.01); C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 3/091 (2006.01); C03C 3/093 (2006.01); C03C 3/097 (2006.01); C03C 3/083 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 3/083 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 3/091 (2013.01); C03C 3/093 (2013.01); C03C 3/097 (2013.01); C03C 21/00 (2013.01);
Abstract

A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS) at a portion of 90 μm deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.

Find Patent Forward Citations

Murayama, Suguru. (2022). Chemically strengthened glass and method for manufacturing chemically strengthened glass (U.S. Patent No. 11365149). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11365149

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…