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:
Jan. 24, 2006

Filed:

Jan. 18, 2002
Applicants:

Christopher William Bergevin, San Jose, CA (US);

Carol Inouye Chiu, San Jose, CA (US);

Robert Yuan-shih LI, Fremont, CA (US);

Albert Shou-chi Su, San Jose, CA (US);

Inventors:

Christopher William Bergevin, San Jose, CA (US);

Carol Inouye Chiu, San Jose, CA (US);

Robert Yuan-Shih Li, Fremont, CA (US);

Albert Shou-Chi Su, San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/127 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Hard biasing of a magnetoresistive sensor or a spin valve sensor in a magnetic read head is initialized by repeatedly applying a magnetic field to the hard biasing at any level of fabrication of the magnetic read head or any combination of levels of fabrication of the read head such as at the wafer level, row bar level, single slider level, head gimbal assembly (HGA) level and/or head stack assembly (HSA) level.


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