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. 06, 2018
Filed:
Jan. 28, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2013.01); G11B 7/24062 (2013.01); G11B 7/24035 (2013.01); G11B 7/243 (2013.01); G11B 7/24076 (2013.01); G11B 7/007 (2006.01); G11B 7/26 (2006.01); G11B 7/24073 (2013.01); G11B 7/2433 (2013.01); G11B 7/24038 (2013.01); G11B 7/085 (2006.01);
U.S. Cl.
CPC ...
G11B 7/24062 (2013.01); G11B 7/00718 (2013.01); G11B 7/243 (2013.01); G11B 7/2433 (2013.01); G11B 7/24035 (2013.01); G11B 7/24073 (2013.01); G11B 7/24076 (2013.01); G11B 7/266 (2013.01); G11B 7/08541 (2013.01); G11B 7/24038 (2013.01); G11B 2007/2431 (2013.01); G11B 2007/2432 (2013.01); G11B 2007/24304 (2013.01); G11B 2007/24306 (2013.01); G11B 2007/24308 (2013.01); G11B 2007/24312 (2013.01); G11B 2007/24314 (2013.01);
Abstract
An optical recording medium includes a plurality of information signal layers on which information signals are to be optically recorded. Among the plurality of information signal layers, the information signal layer closest to the light-receiving surface has a reflectance of more than 4%.