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. 19, 2022
Filed:
Mar. 15, 2021
Applicant:
Seagate Technology Llc, Fremont, CA (US);
Inventors:
Alexey Dobrynin, Northern Ireland, GB;
Patrick Gabriel McCafferty, Springtown, GB;
Kevin Anthony McNeill, Springtown, GB;
Assignee:
SEAGATE TECHNOLOGY LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01); H01F 41/32 (2006.01); H01F 10/32 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3912 (2013.01); G11B 5/3906 (2013.01); G11B 5/3909 (2013.01); H01F 10/3272 (2013.01); H01F 41/32 (2013.01);
Abstract
An apparatus includes a read sensor having a trilayer synthetic ferrimagnet free layer and at least one side shield positioned proximate to the trilayer synthetic ferrimagnet free layer. The at least one side shield provides a bias magnetic field in a first direction to bias the trilayer synthetic ferrimagnet free layer.