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:
Apr. 07, 2015

Filed:

Mar. 21, 2014
Applicant:

Hgst Netherlands B.v., Amsterdam, NL;

Inventors:

Zheng Gao, San Jose, CA (US);

James Mac Freitag, Sunnyvale, CA (US);

Kuok San Ho, Redwood City, CA (US);

Ching Hwa Tsang, Sunnyvale, CA (US);

Kochan Ju, Monte Sereno, CA (US);

Assignee:

HGST Netherlands B.V., Amsterdam, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); G11B 5/39 (2006.01);
U.S. Cl.
CPC ...
G11B 5/3945 (2013.01);
Abstract

The embodiments disclosed generally relate to a read head in a magnetic recording head. The read head utilizes a sensor structure having: a pinned magnetic structure recessed from a media facing surface; and a reader gap structure. The reader gap structure has a spacer layer recessed from the media facing surface and disposed on top of the pinned magnetic structure, a recessed first free layer partially recessed from the media facing surface and disposed on top of the barrier layer, a second free layer extending to the media facing surface an disposed on top of the barrier layer, and a cap layer extending to the media facing surface disposed atop the second free layer. The pinned magnetic structure, the spacer, and the first free layer have a common face which is on an angle relative to the media facing surface.


Find Patent Forward Citations

Quick Actions:

Gao, Zheng. (2015). Tmr/cpp reader for narrow reader gap application (U.S. Patent No. 9001473). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9001473

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

Loading…