Thin film magnetic head having a sliding surface

Details Thin film magnetic head having a sliding surface Thin film magnetic head having a sliding surface

1984-06-04

1987-03-10

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360103, 360125, 360127, G11B 514, G11B 522

Patent

active

046494480

ABSTRACT:
In a thin film magnetic head having a thin film on a substrate to form a magnetic circuit associated with a recording medium, a sliding surface of the substrate opposing the recording medium is made of a material; namely, ZrO.sub.2, having a coefficient of thermal conductivity which is sufficient to carbonize a binder of the recording medium when the magnetic head slides on the recording medium, so that a carbonized material can afford to provide good slidability of the recording medium against the magnetic head and life of the thin film magnetic head and recording medium can be prolonged.

REFERENCES:
patent: 4317147 (1982-02-01), Daughenbaugh et al.
patent: 4409633 (1983-10-01), Watanabe et al.
patent: 4430440 (1984-02-01), Wada et al.
patent: 4441132 (1984-04-01), Morita et al.
Groben et al., "Wear Coating for a Tape Head", I.B.M. Tech. Disc. Bull., vol. 9, No. 9, Feb. 1967, p. 1085.

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