Thin film magnetic head for equalizing outputs of a two-channel

Details Thin film magnetic head for equalizing outputs of a two-channel Thin film magnetic head for equalizing outputs of a two-channel

1984-11-21

1986-11-11

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360126, 360128, G11B 528, G11B 522, G11B 542

Patent

active

046226168

ABSTRACT:
The thin film magnetic head in accordance with the present invention for recording information on magnetic recording medium with two channels comprises a head-forming base, a pair of head sections formed on the base with a predetermined separation, a depth detection mark formed at the center of the separation between the head sections for detecting the length of the gap depth of the head sections, and a holding plated arranged opposite to the head-forming base to hold, the head sections and the depth detection mark therebetween. The depth detection mark is so arranged as to form an isosceles triangle, with its base extending along the head-forming base situated on the side facing to the recording medium, and its vertex located, facing to the base of the isosceles triangle, on the depth end line of the gaps of the head sections, on the side which is not facing the recording medium, as well as on the center line between the head sections.

REFERENCES:
patent: 4409632 (1983-10-01), Kanai et al.
patent: 4458279 (1984-07-01), Katz

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