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:
Jul. 05, 2016

Filed:

Jun. 27, 2015
Applicant:

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

Inventors:

Robert G. Biskeborn, Hollister, CA (US);

Calvin S. Lo, Saratoga, CA (US);

Andrew C. Ting, El Prado, NM (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/11 (2006.01); G11B 5/39 (2006.01); G11B 5/40 (2006.01); G11B 5/008 (2006.01);
U.S. Cl.
CPC ...
G11B 5/40 (2013.01); G11B 5/00813 (2013.01); G11B 5/11 (2013.01); G11B 5/3909 (2013.01); G11B 5/3912 (2013.01);
Abstract

In one general embodiment, an apparatus includes a magnetic sensor structure, a magnetic shield having at least one laminate pair comprising a magnetic layer and an electrically conductive nonmagnetic layer, and a nonmagnetic spacer layer between the sensor structure and the magnetic shield. In another general embodiment, an apparatus includes a magnetic tunnel junction sensor structure, and a magnetic shield having at least two laminate pairs, each pair comprising a magnetic layer and an electrically conductive nonmagnetic layer. A deposition thickness of the nonmagnetic layer in each laminate pair is about 10% or less of a total deposition thickness of the laminate pair.


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