Magnetoresistive element sandwiched between a sal ferrite substr

Details Magnetoresistive element sandwiched between a sal ferrite substr Magnetoresistive element sandwiched between a sal ferrite substr

1988-07-05

1990-05-22

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360125, G11B 530, G11B 5223

Patent

active

049281887

ABSTRACT:
A magnetoresistive head is fabricated on a ferrite substrate which is both the mechanical support for the head assembly and a soft adjacent layer for biasing the magnetoresistive element of the head. Easy axis bias is supplied by a fixed magnet located in the head coverplate, and the substrate opposite the magnet is recessed and filled with a non-magnetic material to prevent distortion of the fixed magnet field by the ferrite substance.

REFERENCES:
patent: 4354212 (1982-10-01), Nouchi et al.
patent: 4816948 (1989-03-01), Kamo et al.
patent: 4833560 (1989-05-01), Doyle

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