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:
Apr. 15, 2008
Filed:
Jan. 21, 2004
Applicant:
Kengo Oishi, Kanagawa, JP;
Inventor:
Kengo Oishi, Kanagawa, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical disk is provided with a disk substrate having a recording layer formed on one surface of a substrate and a cover sheet applied over the recording layer; and a display sheet which is affixed to a surface of the disk substrate opposite to a surface covered with the cover sheet and which has substantially the same physical characteristic as that of the cover sheet. The display sheet and the cover sheet are substantially brought into coincidence with each other in terms a direction of heat contraction and a heat contraction rate.