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:
Jul. 10, 2018
Filed:
Sep. 16, 2014
Applicant:
Marvell International Ltd., Hamilton, BM;
Inventors:
Jianzhong Shi, Singapore, SG;
Jiang Feng Hu, Singapore, SG;
Lionel Hanxiang Ng, Singapore, SG;
Chun Lian Ong, Singapore, SG;
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01); G11B 5/65 (2006.01); G11B 5/84 (2006.01);
U.S. Cl.
CPC ...
G11B 5/66 (2013.01); G11B 5/65 (2013.01); G11B 5/8404 (2013.01);
Abstract
In various embodiments, a magnetic medium may be provided. The magnetic medium may include a substrate. The substrate may include a servo layer over the substrate. The servo layer may include a cap layer having a first coercivity. The servo layer may also include a granular layer having a second coercivity greater than the first coercivity. The servo layer may also include an intervening layer between the cap layer and the granular layer.