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:
Feb. 06, 2018
Filed:
Oct. 30, 2015
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Scott Wilson Stokes, Brooklyn Park, MN (US);
Victor Boris Sapozhnikov, Minnetonka, MN (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/60 (2006.01); G11B 5/147 (2006.01); G11B 5/11 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3912 (2013.01); G11B 5/112 (2013.01); G11B 5/1475 (2013.01); G11B 5/3932 (2013.01); G11B 5/6082 (2013.01);
Abstract
A reader having a bearing surface, a free layer, and a free layer biasing structure. The free layer biasing structure includes at least one side shield that applies a first bias field level to a front portion of the free layer that is nearest to the bearing surface and applies a second bias field level to a rear portion of the free layer that is farthest from the bearing surface. The second bias field level is greater than the first bias field level.