Thin film magnetic head

Details Thin film magnetic head Thin film magnetic head

1986-10-14

1989-01-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360119, 360122, 360126, G11B 5187, G11B 531, G11B 5127

Patent

active

047991186

ABSTRACT:
In a thin film magnetic head consisting of a non-magnetic substrate, and a multilayer structure superposed thereon and including a lower core, a gap material layer, a thin film coil and an upper core, etc., the head sliding surface of the lower core and that of the upper core are so formed that they become wider with increasing distance from the surface of the gap material layer.

REFERENCES:
patent: 4219855 (1980-08-01), Jones
patent: 4559572 (1985-12-01), Kumasaka et al.
patent: 4656547 (1987-04-01), Kumasaka et al.

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