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:
Dec. 15, 2015
Filed:
Mar. 12, 2013
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Wei Tian, Eden Praire, MN (US);
Venkateswara Rao Inturi, Shakopee, MN (US);
Doug Lin, Eden Prairie, MN (US);
Huaqing Yin, Eden Prairie, MN (US);
Jiaoming Qiu, Maple Grove, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/187 (2006.01); G11B 5/23 (2006.01); G11B 5/127 (2006.01); G11B 5/31 (2006.01); G11B 5/235 (2006.01);
U.S. Cl.
CPC ...
G11B 5/232 (2013.01); G11B 5/1278 (2013.01); G11B 5/187 (2013.01); G11B 5/235 (2013.01); G11B 5/3109 (2013.01); G11B 5/3116 (2013.01); G11B 5/3143 (2013.01); G11B 5/3163 (2013.01);
Abstract
In accordance with one embodiment, an apparatus may be implemented that comprises a main pole layer of magnetic material, a non-magnetic gap layer of material above the main pole layer, an etched first sacrificial layer of material above the non-magnetic gap layer of material, and a second sacrificial layer of material above the etched first sacrificial layer of material.