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:
Aug. 29, 2006
Filed:
Jul. 29, 2003
Applicants:
Hardayal Singh Gill, Palo Alto, CA (US);
Wen-chien Hsiao, San Jose, CA (US);
Jih-shiuan Luo, San Jose, CA (US);
Inventors:
Hardayal Singh Gill, Palo Alto, CA (US);
Wen-Chien Hsiao, San Jose, CA (US);
Jih-Shiuan Luo, San Jose, CA (US);
Assignee:
Hitachi Global Storage Technologies, Netherlands B.V., NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/39 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for enhancing thermal stability, improving biasing and reducing damage from electrical surges in self-pinned abutted junction heads. The head includes a sandwiched hard bias layer having a first hard bias layer coupled to a free layer and a second, anti-parallel hard bias layer disposed away form the free layer to provide a net longitudinal bias on the free layer.