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. 31, 2015
Filed:
Jul. 14, 2008
Weilu Xu, San Jose, CA (US);
Miaogen LU, Fremont, CA (US);
Mariana R. Munteanu, Santa Clara, CA (US);
Michael Z. Wu, San Jose, CA (US);
Shanghsien Alex Rou, Fremont, CA (US);
Steve Kuo-hsing Hwang, San Jose, CA (US);
Ed Yen, San Jose, CA (US);
Weilu Xu, San Jose, CA (US);
Miaogen Lu, Fremont, CA (US);
Mariana R. Munteanu, Santa Clara, CA (US);
Michael Z. Wu, San Jose, CA (US);
Shanghsien Alex Rou, Fremont, CA (US);
Steve Kuo-Hsing Hwang, San Jose, CA (US);
Ed Yen, San Jose, CA (US);
Seagate Technology LLC, Cupertino, CA (US);
Abstract
An embodiment of the invention relates to a perpendicular magnetic recording medium comprising (1) a substrate, (2) an interlayer comprising hexagonal columns and (3) a magnetic layer, wherein the magnetic layer is deposited applying a bias voltage to the substrate such that the magnetic layer comprises magnetic grains having substantially no sub-grains within the magnetic layer, and the magnetic layer has perpendicular magnetic anisotropy.