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:
Jun. 15, 2011
Applicants:
Chengtao R. Yu, Mountain House, CA (US);
Yunfei LI, Fremont, CA (US);
Yunfei Ding, Fremont, CA (US);
Ying Hong, Morgan Hill, CA (US);
Inventors:
Chengtao R. Yu, Mountain House, CA (US);
Yunfei Li, Fremont, CA (US);
Yunfei Ding, Fremont, CA (US);
Ying Hong, Morgan Hill, CA (US);
Assignee:
Western Digital (Fremont), LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/60 (2006.01); G11B 5/31 (2006.01);
U.S. Cl.
CPC ...
G11B 5/6076 (2013.01); G11B 5/607 (2013.01); G11B 5/314 (2013.01); G11B 5/3906 (2013.01); G11B 5/3967 (2013.01);
Abstract
A method and system for providing a touchdown sensor for use in disk drive is described. The touchdown sensor includes a seed layer, a sensor layer on the seed layer, and a capping layer. The sensor layer includes NiFe. In some embodiments, at least one of the seed layer and the capping layer promote stability and performance of the sensor layer.