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:
Mar. 31, 2009
Filed:
Sep. 27, 2005
Applicants:
Tsukasa Nakai, Hino, JP;
Sumio Ashida, Yokohama, JP;
Keiichiro Yusu, Yokohama, JP;
Noritake Oomachi, Yokohama, JP;
Naomasa Nakamura, Yokohama, JP;
Inventors:
Tsukasa Nakai, Hino, JP;
Sumio Ashida, Yokohama, JP;
Keiichiro Yusu, Yokohama, JP;
Noritake Oomachi, Yokohama, JP;
Naomasa Nakamura, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Phase-change optical recording media includes a recording film that causes reversible phase-change between a crystalline phase and an amorphous phase on irradiation with light, and an interface film formed in contact with at least one surface of the recording film and containing Hf (hafnium), O (oxygen) and N (nitrogen).