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:
Apr. 30, 2019
Filed:
Feb. 22, 2016
Applicant:
Wd Media, Llc, San Jose, CA (US);
Inventors:
Kumar Srinivasan, Redwood City, CA (US);
Tomoko Seki, Sunnyvale, CA (US);
Rui Zhang, Milpitas, CA (US);
Antony Ajan, San Jose, CA (US);
Paul C. Dorsey, Los Altos, CA (US);
Assignee:
WD MEDIA, LLC, San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01); G11B 5/31 (2006.01); G11B 5/73 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/66 (2013.01); G11B 5/314 (2013.01); G11B 5/732 (2013.01); G11B 2005/0021 (2013.01);
Abstract
Magnetic media having dual phase MgO-X seed layers with both MgO grains and segregants are provided. One such magnetic medium includes a substrate, a heatsink layer on the substrate, a dual phase seed layer on the heatsink layer, where the dual phase seed layer comprises MgO and a segregant, where a concentration of the MgO is greater than 50 percent by volume in the dual phase seed layer, and a magnetic recording layer including FePt on the dual phase seed layer.