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:
Mar. 24, 1992
Filed:
Jan. 05, 1990
Applicant:
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 428 65 ; 428 76 ; 428668 ; 428689 ; 428697 ; 428913 ; 346 / ; 3461351 ; 369283 ; 369288 ;
Abstract
An optical recording medium includes a substrate, a recording layer and a dielectric layer formed on said substrate, said dielectric layer containing a mixture containing at least a chalcogen compound and fluoride compound. The optical recording medium has excellent long term storage stability, excellent recording and erasing cycle characteristics and excellent recording and/or erasing characteristics.