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, 2011
Filed:
May. 02, 2008
Applicants:
Hiroshi Tabata, Yokohama, JP;
Ukou Sumoto, Yokohama, JP;
Inventors:
Hiroshi Tabata, Yokohama, JP;
Ukou Sumoto, Yokohama, JP;
Assignee:
Victor Company of Japan, Ltd., Kanagawa-Ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 3/70 (2006.01); G11B 3/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical storage medium has a substrate and a cover layer that allows light to pass therethrough in recording or reproduction. Provided between the substrate and the cover layer are at least a reflective film, a first dielectric film, a recording film, and a second dielectric film formed in this order from the substrate side. Provided further between the second dielectric film and the cover layer is a damp-proof film that is at least partially an amorphous film and contains at least an indium oxide.