Magnetoresistive head and manufacturing method therefor

Details Magnetoresistive head and manufacturing method therefor Magnetoresistive head and manufacturing method therefor

1997-07-07

2000-07-11

Letscher, George J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 539

Patent

active

060881968

ABSTRACT:
A magnetoresistive head comprising a magnetoresistive film having electric resistance varying with a magnetic field, a pair of electrodes for causing a current to flow into the magnetoresistive film, and a soft magnetic film for applying a transverse biasing field to the magnetoresistive film, the soft magnetic film containing at least one material of iron, cobalt, and nickel, and at least one compound of zirconium oxide, aluminum oxide, hafnium oxide, titanium oxide, beryllium oxide, magnesium oxide, a rare earth oxygen compound, zirconium nitride, hafnium nitride, aluminum nitride, titanium nitride, beryllium nitride, magnesium nitride, silicon nitride, and a rare earth nitrogen compound. The electric resistance of the soft magnetic film is raised by adding a compound thereto and current diverted from the magnetoresistive film to the soft magnetic film decreases, so that the reproducing voltage of the magnetoresistive head rises.

REFERENCES:
patent: 5227940 (1993-07-01), Isomura et al.
patent: 5327313 (1994-07-01), Nishioka et al.
patent: 5421915 (1995-06-01), Nakanishi et al.
patent: 5429731 (1995-07-01), Osano et al.

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