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:
Sep. 14, 2021
Filed:
Mar. 29, 2019
Applicant:
Seagate Technology Llc, Cupertino, CA (US);
Inventors:
Liwen Tan, Eden Prairie, MN (US);
Jae-Young Yi, Prior Lake, MN (US);
Eric W. Singleton, Maple Plain, MN (US);
Assignee:
SEAGATE TECHNOLOGY LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 10/32 (2006.01); G11B 5/39 (2006.01); G01D 5/16 (2006.01);
U.S. Cl.
CPC ...
H01F 10/325 (2013.01); G01D 5/16 (2013.01); G11B 5/3903 (2013.01); H01F 10/3272 (2013.01);
Abstract
A magnetoresistive sensor includes a free layer and a cap over the free layer. The cap includes an upper layer and an insertion layer between the upper layer and the free layer. The insertion layer includes a non-magnetic alloy formed of at least one refractory metal and at least one ferromagnetic metal.