Inductively-coupled, thin-film M-R head

Details Inductively-coupled, thin-film M-R head Inductively-coupled, thin-film M-R head

1983-06-15

1986-07-08

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360126, G11B 512, G11B 530

Patent

active

045996687

ABSTRACT:
The invention teaches that if a "shorted" electrically conductive turn--deposited on a magnetic substrate--is employed to sense recorded signal flux, then the underlying substrate will efficiently support flux induced about the shorted turn . . . and such induced flux will correspond proportionately to the recorded signal flux. In accordance with the invention, an MR element is so situated that it senses induced flux about the shorted turn at a location thereof that is remote from the medium whose signal flux is to be reproduced.

REFERENCES:
patent: 3860965 (1975-01-01), Voegeli
patent: 3864751 (1975-02-01), Beaulieu et al.
patent: 3987485 (1976-10-01), Sugaya et al.
patent: 4012781 (1977-03-01), Chia-Hsiung Lin
patent: 4051542 (1977-09-01), Kanai
patent: 4255772 (1981-03-01), Perez et al.
patent: 4300177 (1981-11-01), Koel et al.
patent: 4315291 (1982-02-01), Lazzari
patent: 4375657 (1983-03-01), Brock et al.

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