Thin film magnetic head having upper magnetic core layer with la

Details Thin film magnetic head having upper magnetic core layer with la Thin film magnetic head having upper magnetic core layer with la

1993-12-23

1995-07-25

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 531

Patent

active

054367816

ABSTRACT:
A thin film magnetic head including a lower magnetic core and an upper magnetic core formed of thin films for forming a magnetic circuit with coil windings therebetween enclosed in non magnetic material. The upper core includes an upper magnetic layer, a lower magnetic layer and a discontinuous non-magnetic intermediate layer of a plurality of non-magnetic stripes.

REFERENCES:
patent: 4841402 (1989-06-01), Imanaka et al.
patent: 5047886 (1991-09-01), Toyoda et al.
patent: 5313356 (1994-05-01), Ohkubo et al.
"Magnetic thin films in recording technology", V. S. Speriosu et al. IBM J. Res. Develop. vol. 34, No. 6, Nov. 1990, pp. 884-891.
Summaries of 15th Scientific Lecture of Japan Application Magnetism Society, p. 19.
Summaries of 14th Scientific Lecture of Japan Application Magnetism Society, p. 163.

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