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:
Nov. 03, 2009
Filed:
Oct. 22, 2003
Applicants:
Yasuhiro Saito, Osaka, JP;
Toshiaki Hashimoto, Osaka, JP;
Yuriko Kudoh, Osaka, JP;
Inventors:
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 15/00 (2006.01); G11B 5/84 (2006.01); G11B 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing a glass substrate having projections of the same height. The method includes forming a surface layer having a decreased chemical resistance on a glass plate, forming a texture including a plurality of projections having upper portions included in the surface layer, and selectively removing the surface layer.
Saito, Yasuhiro. (2009). Glass substrate for information recording medium and method for manufacturing same (U.S. Patent No. 7611639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7611639
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile