Thin layered magnetic head

Details Thin layered magnetic head Thin layered magnetic head

1985-07-31

1987-05-26

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360125, G11B 522, G11B 512

Patent

active

046690166

ABSTRACT:
The magnetic head has a polished contact zone in the form of a spherical segment corresponding substantially to the arc of contact of a magnetic tape. To obtain a uniform contact pressure even after abrasion of the contact zone, the ends of the latter when viewed in the feeding direction of the tape, transit into shoulders sloping at sharp angle relative to a plane normal to the contact zone. The shoulders are either straight or of a concave contour.

REFERENCES:
patent: 4017899 (1977-04-01), Bagby
patent: 4237505 (1980-12-01), Yamada et al.
patent: 4240121 (1980-12-01), Prochnow
patent: 4425594 (1984-01-01), Kodjabashev et al.

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