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:
Oct. 17, 2000
Filed:
Nov. 17, 1997
Applicant:
Inventors:
Masaaki Motokawa, Yamanashi-ken, JP;
Haruhisa Maruyama, Yamanashi-ken, JP;
Assignees:
Pioneer Electronic Corporation, Tokyo, JP;
Pioneer Video Corporation, Yamanashi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
156155 ; 156322 ; 156245 ; 369283 ; 369286 ;
Abstract
A method of making a two-disc laminated optical disc, comprises: continuously producing two synthetic resin discs in one injection molding machine using one stamper; forming a reflecting film and a protection film on each synthetic resin disc; and bonding together the two synthetic resin discs by forming an adhesive layer therebetween.