Magnetoresistive head having controlled reproduction output char

Details Magnetoresistive head having controlled reproduction output char Magnetoresistive head having controlled reproduction output char

1989-02-23

1991-07-16

Severin, David J.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 530

Patent

active

050329430

ABSTRACT:
A magnetoresistive head including a magnetoresistive element in which the magnetoresistive head has a specifically determined gap length and/or the magnetoresistive element has a specifically determined magnetostriction constant to thereby define a reproduction output vs. operation current characteristic curve of the head. The above-mentioned gap length and/or magnetostriction constant is determined such that a saturation operation current for which a reproduction output of the head is maximum is higher than an operation current with which the head is operative.

REFERENCES:
patent: 3975772 (1976-08-01), Lin
patent: 4663607 (1987-05-01), Kitada et al.
patent: 4663684 (1987-05-01), Kano et al.

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