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:
Feb. 06, 2001
Filed:
Nov. 18, 1998
Applicant:
Inventors:
Toshikazu Kozono, Neyagawa, JP;
Toshio Yanai, Osaka, JP;
Manabu Nakanishi, Katano, JP;
Kiyoshi Inoue, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 3/106 ; B32B 3/116 ; B32B 3/128 ;
U.S. Cl.
CPC ...
B32B 3/106 ; B32B 3/116 ; B32B 3/128 ;
Abstract
A method for manufacturing an optical information medium has a step of bending at least one of a first board and a second board having a center hole, a step of applying a radiation-curing resin onto the bent board in a doughnut form while the bent board is rotated, and a step of lapping the other board on the bent board and rotating the paired boards integrally.