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:
Dec. 02, 2014
Filed:
Dec. 13, 2012
Hgst Netherlands B.v., Amsterdam, NL;
Patrick M. Braganca, San Jose, CA (US);
Bruce A. Gurney, San Jose, CA (US);
Yang Li, San Jose, CA (US);
HGST Netherlands B.V., Amsterdam, NL;
Abstract
In one embodiment, a magnetic head includes a first shield; a spin torque oscillator (STO) sensor positioned above the first shield, the STO sensor comprising a reference layer and a free layer positioned above the reference layer; and at least one shield positioned in a plane that is parallel with a media-facing surface of the STO sensor, the plane also intersecting the STO sensor, wherein one or more of the at least one shield comprises a highly magnetically permeable material that is exchange decoupled and electrically decoupled from the STO sensor. Other magnetic heads, systems, and methods for producing the magnetic heads are described according to more embodiments.