Magnetoresistive element

Details Magnetoresistive element Magnetoresistive element

1974-11-13

1976-04-06

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

323 94H, 338287, 338308, H01C 716

Patent

active

039493466

ABSTRACT:
A magnetoresistive element comprising a substrate, a first conducting ferromagnetic film strip having current carrying ability predominantly in one direction, a second current carrying ferromagnetic metal film strip on said substrate having a current carrying ability predominantly in a direction substantially perpendicular to said one direction, said first film strip being spaced from said second film strip by a distance equal to one-half the wave length or multiple thereof of the alternating magnetic field in the magnetoresistive element. The strips are serially connected together and a current input terminal is connected to the opposed end of said strips and an output terminal is connected to the junction between said strips.
Further embodiments of the invention are disclosed in which one film strip is separated from another by a distance equal to a quarter wave length or odd multiple thereof of the alternating magnetic field in the magnetoresistive element. In this form of the invention, the metal film strips are so disposed as to have their respective current carrying ability predominantly in the same direction.

REFERENCES:
patent: 3003105 (1961-10-01), Kostyshyn
patent: 3331045 (1967-07-01), Weiss et al.
patent: 3835377 (1974-09-01), Kataoka
patent: 3848217 (1974-11-01), Lazzari

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