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:
Apr. 26, 1994

Filed:

Jun. 05, 1992
Applicant:
Inventors:

James A Brug, Menlo Paark, CA (US);

Thomas C Anthony, Sunnyvale, CA (US);

Victor W Hesterman, Los Altos Hills, CA (US);

Steven Naberhuis, Fremont, CA (US);

Assignee:

Hewlett-Packard Company, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360113 ; 324252 ; 338 / ;
Abstract

A magnetoresistive transducer includes at least one magnetoresistive element having a transverse easy axis. The use of a transverse easy axis prevents magnetic domains from forming in the magnetoresistive elements and results in a noise-free device. Various techniques for producing a transverse easy axis include the use of stress, and a magneto strictive material, during the formation of the element to orient the anisotropy of the element transverse to orient the anisotropy of the element transverse to the element, formation of the element in the presence of a magnetic field, high temperature anneal of the element, or any other method of forming the element with a prebiased state.


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Brug, James. (1994). Improved magnetoresistive transducer with substantially perpendicular (U.S. Patent No. 5307226). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5307226

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