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:
Oct. 13, 2015
Filed:
Aug. 29, 2012
Applicants:
Hiroki Katayama, Shiga, JP;
Masashi Tabe, Shiga, JP;
Takuji Oka, Shiga, JP;
Inventors:
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 15/00 (2006.01); C03C 19/00 (2006.01); C03B 18/02 (2006.01); C03C 4/18 (2006.01); C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 4/18 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); C03C 21/002 (2013.01); Y10T 428/315 (2015.01);
Abstract
Provided is a tempered glass substrate formed by a float method, comprising a bottom surface and a top surface, wherein a compression stress value of the bottom surface is larger than a compression stress value of the top surface.