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:
Jul. 03, 1990
Filed:
Feb. 24, 1989
Applicant:
Inventors:
Hidekazu Takahashi, Osaka, JP;
Tadanori Michimoto, Osaka, JP;
Yasuo Mitoh, Osaka, JP;
Eiji Takabatake, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 428 65 ; 428209 ; 428409 ; 428446 ; 428447 ; 428448 ; 428457 ; 428913 ; 430945 ; 525477 ; 369284 ; 369286 ; 369288 ; 346-11 ; 346 / ; 3461351 ;
Abstract
An optical disk comprising a pair of substrates, each having a recording surface and a reflective layer in super-position on one side, is disclosed. Such an optical disk has satisfactory shear adhesive strength and peeling strength under high temperature and high moisture conditions.