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. 04, 2005
Filed:
Sep. 12, 2001
Applicant:
Shuichi Okubo, Tokyo, JP;
Inventor:
Shuichi Okubo, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 724 ;
U.S. Cl.
CPC ...
Abstract
Recording layeris formed on substrate, ultraviolet-curing resin layeris formed on recording layer, and light-transmissible layeris attached to the ultraviolet-curing resin layerthrough adhesive layer. It is preferable that the hardness of the ultraviolet-curing resinis equal to HB or more, and the film thickness thereof is set to a value in the range from 2 μm to 40 μm. The total thickness of the ultraviolet-curing resin layer, the adhesive layerand the light-transmissible layeris set to a value in the range from 20 μm to 150 μm.