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:
Jun. 02, 2015
Filed:
Sep. 28, 2012
Applicant:
Seagate Technology, Lcc, Cupertino, CA (US);
Inventor:
Zhaohui Fan, Fremont, CA (US);
Assignee:
Seagate Technology, LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/84 (2006.01); G11B 5/66 (2006.01); G11B 5/74 (2006.01); G11B 5/855 (2006.01);
U.S. Cl.
CPC ...
G11B 5/84 (2013.01); G11B 5/746 (2013.01); G11B 5/66 (2013.01); G11B 5/855 (2013.01);
Abstract
The embodiments disclose a dual-layer magnetic recording structure including a top magnetic layer etched to remove patterned portions of the top magnetic layer and a bottom magnetic layer including portions with altered magnetic properties of molecules to reduce net magnetic moments and including portions of unaltered magnetic properties exchange-coupled through the top magnetic layer.