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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.:

US 6728055 B1

PDFFull Text
Date of Patent:
Apr. 27, 2004

Filed:

Mar. 21, 2000

Method and apparatus for performing spin valve combined pinned layer reset and hard bias initialization at the hga level

Applicant:
Inventors:

Hardayal Singh Gill, Portola Valley, CA (US);

Christopher Dana Keener, San Jose, CA (US);

Gautam Ratilal Patel, San Jose, CA (US);

Assignee:

International Business Machines Corporation, Armonk, NY (US);

Attorney:

Crawford Maunu PLLC

Primary Examiner:

David Hudspeth

Assistant Examiner:

Rocio Colon

Int. Cl.
CPC ...
G11B 5/03 ;
U.S. Cl.
CPC ...
G11B 5/03 ;
Abstract

The present invention provides a method and apparatus for performing automated spin valve combined pinned layer reset and hard bias initialization at the head gimbal assembly level. The reset combines a current pulse with an assisting magnetic field. The pinned layer reset and hard bias initialization is automated and performed by a single tool at the head gimbal assembly level to increase manufacturing throughput.

Find Patent Forward Citations

Gill, Hardayal. (2004). Method and apparatus for performing spin valve combined pinned layer reset and hard bias initialization at the hga level (U.S. Patent No. 6728055). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6728055

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

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