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. 06, 1989
Filed:
Aug. 27, 1987
Applicant:
Inventors:
Minemasa Ohta, Yamanashi, JP;
Kenji Suzuki, Yamanashi, JP;
Satoru Fukuoka, Yamanashi, JP;
Toshihiko Takishita, Yamanashi, JP;
Tuyoshi Hayashi, Yamanashi, JP;
Assignees:
Pioneer Electronic Corp., both of, JP;
Pioneer Video Corporation, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430321 ; 430312 ; 430323 ; 430394 ; 430945 ; 369284 ; 369288 ;
Abstract
In an optical disk manufacturing method in which a first photo resist layer, an intermediate resin layer, and a second photo resist layer are formed on a substrate in the stated order, a resin solution which is unsoluble in organic solvent is applied to the first photo resist layer, heated, and hardened to form the intermediate resin layer. Thereby the use of a large, expensive device such as a vacuum deposition device or sputting device is eliminated.