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. 09, 1991
Filed:
Oct. 04, 1989
Applicant:
Inventors:
Toshiyuki Takao, Fujinomiya, JP;
Toshiaki Igata, Fujinomiya, JP;
Assignee:
Fujii Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 421 65 ; 421 76 ; 421913 ; 369286 ; 369288 ; 346 / ; 3461351 ; 430945 ;
Abstract
An improvement of an information recording medium comprising a substrate and a recording layer provided thereon which is capable of writing information with a laser beam is disclosed. The improvement comprises the recording layer comprising a metal layer containing Se and Te and a TeO.sub.x layer (1.ltoreq.x.ltoreq.2) deposited on the metal layer.
Takao, Toshiyuki. (1991). Information recording medium (U.S. Patent No. 5006387). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5006387
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile