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:
Jul. 01, 2008
Filed:
Apr. 04, 2005
Applicants:
Tamotsu Fuchioka, Ibaraki, JP;
Makoto Iimura, Ibaraki, JP;
Makoto Miyamoto, Ibaraki, JP;
Yoshihiro Ikari, Ibaraki, JP;
Inventors:
Tamotsu Fuchioka, Ibaraki, JP;
Makoto Iimura, Ibaraki, JP;
Makoto Miyamoto, Ibaraki, JP;
Yoshihiro Ikari, Ibaraki, JP;
Assignee:
Hitachi Maxwell, Ltd., Ibaraki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an information recording medium, a Bi—Ge—Te material is adopted as a phase-change recording layer material. A C—Ta—O material is used for at least any one of first and second boundary layers which are in contact with a recording layer.