Magnetic head

Details Magnetic head Magnetic head

1997-04-25

1998-01-13

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Gap spacer

360120, G11B 523, G11B 5235

Patent

active

057085447

ABSTRACT:
A magnetic head, in the form of a MIG head, having a magnetic metal film formed in the vicinity of the magnetic gap, is provided, in which the thickness of the magnetic metal film in a direction perpendicular to the magnetic gap is not less than 1.0 .mu.m and not more than 4.4 .mu.m and the gap length of the magnetic gap is 0.23 .mu.m to 0.32 .mu.m. The magnetic head is improved in recording characteristics in a specified short wavelength range and hence in the playback output so that it may be advantageously employed for a high digital recording format.

REFERENCES:
patent: 4815197 (1989-03-01), Ota et al.
patent: 4821406 (1989-04-01), Ota
patent: 5164870 (1992-11-01), Kato et al.
patent: 5452164 (1995-09-01), Cole et al.

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