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:
May. 28, 2019
Filed:
Jul. 03, 2017
Applicant:
Fuji Electric Co., Ltd., Kawasaki-shi, JP;
Inventors:
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/65 (2006.01); G11B 5/66 (2006.01); G11B 5/82 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/653 (2013.01); G11B 5/65 (2013.01); G11B 5/66 (2013.01); G11B 5/82 (2013.01); G11B 2005/0021 (2013.01);
Abstract
The present invention aims at providing a magnetic recording medium capable of realizing lowering of recording temperature. A magnetic recording medium comprises a substrate, and a magnetic recording layer comprising a first magnetic layer and a second magnetic layer, in which the second magnetic layer comprises an FePtRh ordered alloy, and the first magnetic layer has Ku at room temperature larger than Ku of the second magnetic layer at room temperature.