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. 06, 1990
Filed:
Jul. 10, 1989
Applicant:
Inventors:
Yasuo Nishikawa, Kanagawa, JP;
Yonosuke Takahashi, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430531 ; 430271 ; 430273 ; 430346 ; 430523 ; 430945 ; 430961 ; 3461351 ;
Abstract
An optical recording medium comprising a substrate and a recording layer made of metal and/or semi-metal and on which data can be recorded with a laser beam, wherein a plasma polymerization layer is formed on at least an upper surface of said recording layer.
Quick Actions:
Nishikawa, Yasuo. (1990). Optical recording medium (U.S. Patent No. 4906556). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4906556
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