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. 13, 2005
Filed:
Feb. 13, 2003
Applicants:
Youfeng Zheng, San Jose, CA (US);
Kochan Ju, Monte Sereno, CA (US);
Min LI, Fremont, CA (US);
Ben HU, Los Altos, CA (US);
Inventors:
Youfeng Zheng, San Jose, CA (US);
Kochan Ju, Monte Sereno, CA (US);
Min Li, Fremont, CA (US);
Ben Hu, Los Altos, CA (US);
Assignee:
Headway Technologies, Inc., Milpitas, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B005/127 ;
U.S. Cl.
CPC ...
Abstract
A GMR sensor comprising a sensor element having a spin valve configuration with a synthetic antiferromagnetic pinned layer and further comprising a ferromagnetic free layer biased by synthetic exchange biasing in a direction canted relative to the air bearing surface plane of the sensor. The resulting GMR sensor has a stable free layer domain structure, stable bias point and a wide dynamic range.