Slotted sensor in yoke-type magneto-resistive head

Details Slotted sensor in yoke-type magneto-resistive head Slotted sensor in yoke-type magneto-resistive head

1984-08-27

1987-02-17

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Hall effect

338 32R, 360115, G11B 5127

Patent

active

046444300

ABSTRACT:
A multitrack magneto-resistive head is comprised of an array of thin-film yoke-type core structures. In the back gap of each such core structure, there is a sense-current-carrying magneto-resistive flux responsive element. To prevent excessive sense current flow, and insensitivity as caused thereby, the invention teaches that slotting of the magneto-resistive element in the region thereof where such element connects into such back gap will alleviate both such problems.

REFERENCES:
patent: 3731007 (1973-05-01), Masuda et al.
patent: 3845503 (1974-10-01), Kanai
patent: 4047236 (1977-09-01), Lee
patent: 4343026 (1982-08-01), Griffith et al.
patent: 4388662 (1983-06-01), Jeffers et al.
patent: 4477794 (1984-10-01), Nomura et al.
patent: 4555740 (1985-11-01), Jackson et al.

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