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:
Dec. 31, 2002
Filed:
Aug. 23, 2000
Applicant:
Inventors:
Kei Maeda, Yokohama, JP;
Yasumasa Nakao, Yokohama, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/04 ; C03C 3/091 ;
U.S. Cl.
CPC ...
C03C 3/04 ; C03C 3/091 ;
Abstract
A glass substrate for a display, which has a strain point of at least 550° C., an average linear expansion coefficient of from 65×10 to 100×10 /°C. within a range of from 50 to 350° C. and a ratio K /d of at least 280 Pa·kg·m where K is the fracture toughness and d is the density.