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. 28, 2025
Filed:
Mar. 06, 2020
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Masahiro Hayashi, Shiga, JP;
Mayu Nishimiya, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/093 (2006.01);
U.S. Cl.
CPC ...
C03C 3/093 (2013.01);
Abstract
A glass substrate of the present invention has a strain point of from 695° C. to 740° C., a temperature at 10dPa·s of 1,300° C. or less, a liquidus viscosity of 10dPa·s or more, a Young's modulus of 78 GPa or more, and a thermal shrinkage rate in heat treatment at 500° C. for 1 hour of 20 ppm or less.