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:
Jun. 25, 2013
Filed:
Mar. 25, 2008
Applicants:
Haruhiko Habuta, Osaka, JP;
Noboru Yamada, Osaka, JP;
Inventors:
Haruhiko Habuta, Osaka, JP;
Noboru Yamada, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A low-cost information recording medium is provided by which good recording quality can be obtained even when information is recorded thereon in a high density using a blue laser. The recording medium has a recording layer which comprises Sb, O and M. A content of O atoms is 30 atom % or more but not more than 55 atom %, a content of M atoms is 5 atom % or more but not more than 35 atom %, and a content of Sb atoms is 20 atom % or more but not more than 55 atom %. The recording layer does not contain Au, Pt and Pd.