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:
Aug. 14, 2012
Filed:
Apr. 14, 2009
Applicants:
Kouichi Yasuda, Tokyo, JP;
Shigeki Takagawa, Kanagawa, JP;
Inventors:
Kouichi Yasuda, Tokyo, JP;
Shigeki Takagawa, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01); C23C 14/34 (2006.01); C23C 14/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical recording medium includes a substrate having features that define track regions, an optical recording layer disposed on the substrate, and a light-transmitting layer disposed on the optical recording layer. The optical recording layer has a composition of (SbSe)TeOPd, where w, x, y, and z each represent a molar percent and satisfy 10 (mol %)≦w≦60 (mol %), 0 (mol %)<x≦60 (mol %), 30 (mol %)≦y≦60 (mol %), 10 (mol %)≦z≦30 (mol %), and w+x+y+z=100.