Magnetic head with magnetoresistive sensor, and scanning device

Details Magnetic head with magnetoresistive sensor, and scanning device Magnetic head with magnetoresistive sensor, and scanning device

1997-01-31

1999-06-22

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127

Patent

active

059148381

ABSTRACT:
Magnetic head having a head face (1) and comprising a multilayer structure with a flux guide (7a, 7b), a magnetoresistive sensor (9) and an intermediate layer (13) present between the flux guide and said sensor. The intermediate layer comprises an anti-ferromagnetic oxide which insulates the sensor from the flux guide and also magnetically biases the sensor.

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patent: 5563752 (1996-10-01), Komuro et al.
patent: 5684658 (1997-11-01), Shi et al.
"Mit Dunnschichtkopfen in Neue Dimensionen", by Von Mathias Krogmann, Funkschau 24/1988, pp. 37-40.
"Exchange Anisotropy in Coupled Films of Mi.sub.81 FE.sub.19 with MIO and Co.sub.x Ni.sub.1-x O", by M.J. Carey et al., Applied Phys. Lett 60 (24) Jun. 15, 1992, pp. 3060-3062.
"CoO-NiO Superlattices: Interlayer Interactions and Exchange Anisotropy with Mi.sub.81 FE.sub.19 (invited)", by M.J. Carey et al., J. Appl. Phys. 73 (10), May 15,1993, pp. 6892,6894.

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