Magnetic field sensor and magnetic disk apparatus

Details Magnetic field sensor and magnetic disk apparatus Magnetic field sensor and magnetic disk apparatus

2005-05-24

2005-05-24

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S661000, C428S664000, C428S686000, C428S692100, C428S215000, C428S216000, C360S324100

Reexamination Certificate

active

06896974

ABSTRACT:
A magnetic field sensor has a pair of magnetic shields serving as a negative electrode and a positive electrode, respectively, a magnetoresistive element arranged between the pair of magnetic shields, a nonmagnetic conductive layer for the negative electrode arranged between the magnetic shield for the negative electrode and the magnetoresistive element and including a first metal layer formed in contact with the magnetoresistive element and a second metal layer formed in contact with the first metal layer, and a nonmagnetic conductive layer for the positive electrode arranged between the magnetic shield for the positive electrode and the magnetoresistive element and formed of a first metal layer, the first metal layer containing at least one metal selected from the group consisting of Ta, Ti, Cr, V, Mo and W.

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patent: 5883764 (1999-03-01), Pinarbasi
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patent: 6632474 (2003-10-01), Horng et al.
patent: 20040075954 (2004-04-01), Parker et al.
patent: 10-74306 (1998-03-01), None

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