Magnetoresistive sandwich including sensor electrically parallel

Details Magnetoresistive sandwich including sensor electrically parallel Magnetoresistive sandwich including sensor electrically parallel

1975-11-18

1977-05-17

Esposito, Michael F.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

324 46, 428216, 428413, 428433, 428900, 428660, 428666, 428667, 428209, 428210, H01H 3900, G11B 530, H01C 716

Patent

active

040244890

ABSTRACT:
A magnetoresistive permalloy film is deposited upon a substrate and coated with a separating layer composed of titanium or a similar high resistivity, conductive material. A soft biasing layer of a material such as permalloy or a hard biasing material such as cobalt chromium is deposited upon the separating layer to complete a sandwich. All layers are coextensive in outline because their outlines are formed by a single etching step.

REFERENCES:
patent: 3813692 (1974-05-01), Brock
patent: 3814863 (1974-06-01), O'Day
patent: 3864751 (1975-02-01), Beaulieu
patent: 3940797 (1976-02-01), Brock
patent: 3945038 (1976-03-01), Lazzasi
patent: 3947889 (1976-03-01), Lazzasi
Hendel et al., IBM Tech. Dis. Bull., vol. 15, No. 8, p. 2649, Laminated Structure for Bubble Domain Devices (1-1973).
Nepela, IBM Tech. Dis. Bull, Resistive Element . . . Head, vol. 17, No. 9, p. 2759-2760, (2-1975).

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