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:
Jun. 20, 1989
Filed:
Jul. 10, 1987
Applicant:
Inventors:
Hideki Kobayashi, Kurashiki, JP;
Minoru Ikeda, Kurashiki, JP;
Koichi Saito, Okayama, JP;
Shiro Nagata, Kurashiki, JP;
Koichi Horino, Kurashiki, JP;
Assignees:
Kuraray Co., Ltd., Kurashiki, JP;
Kuraray Plasmon Data Systems Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430273 ; 430270 ; 430275 ; 430277 ; 430278 ; 430945 ; 430327 ; 430330 ; 3461351 ; 264235 ; 264346 ;
Abstract
A process for producing an optical recording medium, comprising heat-treating an optical recording medium formed of a thin metal film on the minutely roughened surface of a plastic substrate, the medium being capable of strongly absorbing laser light of a specific wavelength region thereby being able to be written upon.