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. 23, 1991
Filed:
Nov. 07, 1989
Applicant:
Inventors:
Assignee:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264-1003 ; 264-1004 ; 264-1009 ; 264 22 ; 264106 ; 264135 ; 425810 ;
Abstract
A method of manufacturing an optical information recorded disc. The method includes steps of forming a light-absorbing layer and a protective layer on a substrate, irradiating a laser through the substrate on the light-absorbing layer to form reproducible information which can be reproduced by a reproducible signal satisfying a standard of a compact disc.
Arai, Yuji. (1991). Method of manufacturing an optical information recorded disc (U.S. Patent No. 5009818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5009818
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile