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:
May. 04, 2021
Filed:
Aug. 18, 2020
Applicant:
Western Digital Technologies, Inc., San Jose, CA (US);
Inventors:
Suping Song, Fremont, CA (US);
Zhanjie Li, Pleasanton, CA (US);
Terence Lam, Cupertino, CA (US);
Lijie Guan, San Jose, CA (US);
Assignee:
WESTERN DIGITAL TECHNOLOGIES, INC., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/60 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3906 (2013.01); G11B 5/6082 (2013.01); G11B 2005/0005 (2013.01);
Abstract
A magnetic recording head includes a trailing shield, a main pole, and a spin Hall layer. The spin Hall layer is disposed between the trailing shield and the main pole. A first spin torque layer is disposed between the spin Hall layer and the trailing shield. A second spin torque layer is disposed between the spin Hall layer and the main pole.