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. 29, 2016
Filed:
Mar. 24, 2015
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Noboru Sekiguchi, Miyagi, JP;
Junichi Tachibana, Miyagi, JP;
Tetsuo Endo, Miyagi, JP;
Tomoe Ozaki, Miyagi, JP;
Hikaru Terui, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/667 (2006.01); G11B 5/73 (2006.01); G11B 5/738 (2006.01); G11B 5/851 (2006.01); G11B 5/64 (2006.01);
U.S. Cl.
CPC ...
G11B 5/667 (2013.01); G11B 5/64 (2013.01); G11B 5/738 (2013.01); G11B 5/7325 (2013.01); G11B 5/851 (2013.01);
Abstract
A magnetic recording medium includes a base material which has flexibility, a lower coating layer, and a recording layer, in which, in X-ray diffraction peaks, a value of Δθwhere a diffraction peak of magnetic atoms which are included in the recording layer is measured by a locking curve method is 5° or more to less than 10°.