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:
Jul. 16, 2019
Filed:
Jun. 28, 2018
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Liwen Tan, Eden Prairie, MN (US);
ZhiGuo Ge, Edina, MN (US);
Shaun E. McKinlay, Eden Prairie, MN (US);
Jae-Young Yi, Prior Lake, MN (US);
Stacey C. Wakeham, Bloomington, MN (US);
Assignee:
Seagate Technology LLC, Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); G11B 5/31 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3912 (2013.01); G11B 5/3163 (2013.01);
Abstract
A data reader may have a magnetoresistive stack with a magnetically free layer decoupled from a first shield by a cap. The cap can have one or more sub-layers respectively configured with a thickness of 4 nm or less as measured parallel to a longitudinal axis of the magnetoresistive stack on an air bearing surface.