Spin valve magnetoresistive head having magnetic layers with dif

Details Spin valve magnetoresistive head having magnetic layers with dif Spin valve magnetoresistive head having magnetic layers with dif

1995-09-06

2000-12-05

Renner, Craig A.

Dynamic magnetic information storage or retrieval

Head

Magnetoresistive reproducing head

G11B 539

Patent

active

061575232

ABSTRACT:
A spin valve magnetoresistive head includes a first soft magnetic layer and a second soft magnetic layer having larger internal stress than that of the first magnetic layer. The larger internal stress of the second soft magnetic layer is created by injecting the second soft magnetic layer with a selected type of ion. Also included in the head is a nonmagnetic layer formed between the first soft magnetic layer and the second soft magnetic layer.

REFERENCES:
patent: 4995024 (1991-02-01), Arimune et al.
patent: 5010433 (1991-04-01), Kitada et al.
patent: 5079662 (1992-01-01), Kawakami et al.
patent: 5149409 (1992-09-01), Ahlert et al.
patent: 5206590 (1993-04-01), Dieny et al.
patent: 5452163 (1995-09-01), Coffey et al.
patent: 5461526 (1995-10-01), Hamakawa et al.

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