Thin film magnetoresistive head

Details Thin film magnetoresistive head Thin film magnetoresistive head

1981-06-01

1983-11-01

Faber, Alan

Dynamic magnetic information storage or retrieval

Head

Hall effect

338 32R, G11B 530

Patent

active

044132964

ABSTRACT:
Flux sensitive apparatus, in one form thereof, employs paired thin single domain magnetic film structures, the easy magnetization axes of which are canted with respect to the direction of sense current flow therewithin. The magnetization vectors of the film structures are opposite with respect to each other, thereby to preclude, or at least lessen, demagnetization fields associated with the structures. By special connections between the thin film structures, the respective sense currents therein are provided with the same spatial direction of flow; and mutual biasing of the structures is thereby avoided.

REFERENCES:
patent: 3945038 (1976-03-01), Lazzari
patent: 4047236 (1977-09-01), Lee
patent: 4053829 (1977-10-01), Maruo
O'Day, "Balanced Magnetic Head", IBM Tech. Disc. Bul., vol. 15, No. 9, Feb. 1973, p. 2680.

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