Magnetoresistive head with optimized soft magnetic bias layer

Details Magnetoresistive head with optimized soft magnetic bias layer Magnetoresistive head with optimized soft magnetic bias layer

1997-02-26

1998-07-21

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

057842264

ABSTRACT:
In a magnetoresistive head, a magnetoresistive layer (6) detects a magnetic field signal from a magnetic recording medium on the basis of resistance changes, a soft magnetic bias layer (4) applies a transverse bias magnetic field to the magnetoresistive layer (6), a longitudinal bias layer (7) applies a longitudinal bias magnetic field to the magnetoresistive layer, a lead layer (8) supplies a sense current to the magnetoresistive layer (6). The soft magnetic bias layer (4) is made of a material having a transverse uni-axial anisotropy field, and the magnitude of the anisotropy

REFERENCES:
patent: 5285339 (1994-02-01), Chen

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