Magnetoresistive sensor having magnetic shields of ferrite

Details Magnetoresistive sensor having magnetic shields of ferrite Magnetoresistive sensor having magnetic shields of ferrite

1986-06-27

1988-11-08

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360128, G11B 500, G11B 533, G11B 539

Patent

active

047837110

ABSTRACT:
In a magnetoresistive sensor having a magnetoresistive effect element which is held between two sheets of high permeability magnetic ferrite with insulating layers interposed between them, a ferromagnetic metal film is provided adherently to the high permeability magnetic ferrite between the ferrite and the insulating layer, a rise in temperature of the magnetoresistive effect element thereby being held down and a reproduced waveform being made sharp, and thus the characteristics of the element being improved with the life thereof prolonged.

REFERENCES:
patent: 4103315 (1978-07-01), Hempstead et al.
patent: 4280158 (1981-07-01), deNiet
patent: 4321640 (1982-03-01), Van Gestel
patent: 4394699 (1983-07-01), Kaminaka et al.
patent: 4425593 (1984-01-01), Postma
patent: 4476454 (1984-10-01), Aboat et al.
patent: 4489357 (1984-12-01), Van Ooijen et al.

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