Thin film magnetometer

Details Thin film magnetometer Thin film magnetometer

1985-04-02

1987-07-28

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Magnetometers

324252, G01R 3302

Patent

active

046835350

ABSTRACT:
A magnetometer made of thin film ferromagnetic material measures a component of an extraneous magnetic field which lies within the film at right angles to the direction of a magnetic field which is periodically excited within the film in opposite directions at sufficient intensity to saturate the film, in the presence of unidirectionally flowing current within the film along a path preferably extending at an angle of about 45.degree. to the axis of anisotropy lying within the film.

REFERENCES:
patent: 3373391 (1968-03-01), Bohm et al.
patent: 3657641 (1972-04-01), Kardashian
patent: 3774134 (1973-10-01), Kardashian et al.
patent: 4163326 (1979-08-01), Edwards
patent: 4223292 (1980-09-01), Morikawa et al.
patent: 4568906 (1986-02-01), De Wilde et al.
Hoffman et al, "Factors Affecting the Performance of a Thin Film Magnetoresistive Vector Magnetometer", Journal of Applied Physics, Nov. 1982, pp. 8266-8268.

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