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:
Nov. 18, 2014
Filed:
Jan. 28, 2013
Applicant:
Seagate Technology International, Cupertino, CA (US);
Inventors:
Seong-yong Yoon, Suwon-si, KR;
Chee-kheng Lim, Yongin-si, KR;
Hoo-san Lee, Osan-si, KR;
Hoon-sang Oh, Seongnam-si, KR;
Sok-hyun Kong, Seoul, KR;
Assignee:
Seagate Technology International, Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/66 (2006.01); G11B 5/73 (2006.01); G11B 5/667 (2006.01); G11B 5/65 (2006.01); G11B 5/64 (2006.01); G11B 5/84 (2006.01);
U.S. Cl.
CPC ...
G11B 5/667 (2013.01); G11B 5/7325 (2013.01); G11B 5/65 (2013.01); G11B 5/64 (2013.01); G11B 5/84 (2013.01);
Abstract
An apparatus having a recording layer of a magnetic material with a concentration of implanted ions that increases in relation to a thickness direction of the recording layer to provide the recording layer with a continuously varied perpendicular magnetic anisotropy constant.
Yoon, Seong-yong. (2014). Perpendicular magnetic recording layer with regions having different magnetic anisotropy constants (U.S. Patent No. 8889274). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8889274
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