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:
Jan. 02, 1996
Filed:
Nov. 21, 1994
Applicant:
Inventors:
Yukitoshi Okubo, Yokohama, JP;
Tsuyoshi Santoh, Yokohama, JP;
Miki Tamura, Yokohama, JP;
Chieko Mihara, Kawasaki, JP;
Hiroyuki Sugata, Yamato, JP;
Osamu Kanome, Kawasaki, JP;
Masataka Yashima, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B29C / ;
U.S. Cl.
CPC ...
264-133 ; 2491141 ; 249135 ; 264-136 ; 264-16 ; 264106 ; 264145 ; 264284 ; 4251744 ; 425296 ; 425308 ; 425385 ; 425810 ; 425363 ;
Abstract
An apparatus and method for producing an optical recording medium or an optical recording medium substrate sheet forms an photo-curable resin layer on at least one of a substrate sheet and a stamper which undergoes elastic deformation. The stamper bears a pattern corresponding with preformatting information and is brought into close contact with the substrate sheet wherein the photo-curable resin layer is interposed between them and cured.