Thin film magnetic head

Details Thin film magnetic head Thin film magnetic head

1983-01-24

1986-12-02

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Core

360125, 360122, G11B 5147, G11B 5127, G11B 5187

Patent

active

046269479

ABSTRACT:
A thin film magnetic head comprises a lower magnetic member and an upper magnetic film which constitute a magnetic circuit having a magnetic gap at a predetermined location, and a conductor film forming a coil which intersects the magnetic circuit. At least the upper magnetic film has a magnetostriction constant which is not greater than 6.times.10.sup.-7 in the absolute value.

REFERENCES:
patent: 3303117 (1967-02-01), Flur
patent: 3519498 (1970-07-01), Ahn
patent: 3533860 (1970-10-01), Kench et al.
patent: 3549428 (1970-12-01), Lommel
patent: 4102756 (1978-07-01), Castellani et al.
patent: 4190872 (1980-02-01), Jones et al.
patent: 4242710 (1980-12-01), Hempstead et al.
patent: 4246619 (1981-01-01), Hirai et al.
patent: 4295173 (1981-10-01), Romankiw et al.
patent: 4316228 (1982-02-01), Fujiwara et al.
patent: 4441940 (1984-04-01), Pfeifer et al.
patent: 4511942 (1985-04-01), Valstyn

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