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.

Date of Patent:
Sep. 26, 2023

Filed:

Jun. 11, 2021
Applicant:

Western Digital Technologies, Inc., San Jose, CA (US);

Inventors:

Alexander Goncharov, Morgan Hill, CA (US);

Muhammad Asif Bashir, San Jose, CA (US);

Petrus Antonius Van Der Heijden, Cupertino, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/235 (2006.01); G11B 5/31 (2006.01); G11B 5/127 (2006.01); G11B 5/00 (2006.01);
U.S. Cl.
CPC ...
G11B 5/235 (2013.01); G11B 5/1278 (2013.01); G11B 5/314 (2013.01); G11B 5/3133 (2013.01); G11B 5/3146 (2013.01); G11B 5/3116 (2013.01); G11B 2005/0024 (2013.01);
Abstract

The present disclosure generally relates to a magnetic media drive employing a magnetic recording head. The magnetic recording head comprises a main pole (MP), a trailing shield (TS), a trailing gap (TG) disposed between the MP and the TS, and a spin torque oscillator (STO) disposed in the TG adjacent to the MP. A notch may be disposed in the TG between the STO and TS. The notch comprises one or more notch interlayers comprising a non-magnetic material and/or a magnetic material. A bump may be disposed in the TG between the TS and the STO or the notch. The bump comprises one or more bump interlayers comprising a non-magnetic material. A hot seed layer may be coupled to the TS adjacent to the bump, the notch, or the STO. The hot seed layer comprises one or more hot seed interlayers comprising a non-magnetic material.


Find Patent Forward Citations

Goncharov, Alexander. (2023). Mamr recording head with saf trailing shield notch and/or bump (U.S. Patent No. 11769522). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11769522

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…