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:
May. 12, 2015
Filed:
Jul. 14, 2011
Applicants:
Toshiyuki Asai, Tokyo, JP;
Tetsuo Suzuki, Tokyo, JP;
Inventors:
Toshiyuki Asai, Tokyo, JP;
Tetsuo Suzuki, Tokyo, JP;
Assignee:
Furukawa Electric Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03B 23/037 (2006.01); C03B 23/26 (2006.01); G11B 5/84 (2006.01);
U.S. Cl.
CPC ...
C03B 23/037 (2013.01); C03B 23/26 (2013.01); G11B 5/8404 (2013.01);
Abstract
A method includes forming a glass ribbon by heating and softening a glass plate preform and drawing the glass plate preform to a predetermined thickness in a heating furnace; and performing coring on the glass ribbon in order to form circular substrates in a straight line along a longitudinal direction of the glass ribbon.