Magnetic head device

Details Magnetic head device Magnetic head device

1982-04-26

1984-04-03

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Core

360122, 360118, G11B 516, G11B 522

Patent

active

044411324

ABSTRACT:
A magnetic head device comprising a recording/playback magnetic head and erasing magnetic head, each of which consisting of cores made from a ferrite of Mn-Zn system and a reinforcement plate made from a non-magnetic ceramic material and bonded to respective cores; and sliders made from a non-magnetic ceramic material and united with the magnetic heads. The non-magnetic ceramic material for the sliders has a thermal expansion coefficient which is at least 5.times.10.sup.-7 /.degree.C. greater than that of the non-magnetic ceramic material for the reinforcement plate.

REFERENCES:
patent: 3846840 (1974-11-01), Childers et al.
patent: 4058846 (1977-11-01), Knutson et al.

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