Thin film magnetic head with reduced internal stresses

Details Thin film magnetic head with reduced internal stresses Thin film magnetic head with reduced internal stresses

1992-04-16

1993-07-06

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Head

Hall effect

G11B 5127

Patent

active

052259510

ABSTRACT:
A thin film magnetic head includes yokes for leading magnetic flux of signals generated from a magnetic recording medium up to a magnetic resistance effect element. The yokes are made of sputtered films having internal compressive stress therein. The internal stress in the yokes which are deleterious to the magnetic properties of the magnetic resistance effect element can be negated or reduced by including a film of material on the yokes for compensating for the internal stresses.

REFERENCES:
patent: 4394699 (1983-07-01), Kaminaka et al.
patent: 4617600 (1986-10-01), Somers
patent: 4663607 (1987-05-01), Kitada et al.
patent: 4914538 (1990-04-01), Howard et al.
patent: 5005096 (1991-04-01), Krounbi et al.

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