Magnetic field-sensitive sensor device with a plurality of GMR s

Details Magnetic field-sensitive sensor device with a plurality of GMR s Magnetic field-sensitive sensor device with a plurality of GMR s

1997-05-15

1999-08-31

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Magnetometers

338 32R, G01R 3309, G01R 3306, H01L 4308, H01L 4312

Patent

active

059458259

ABSTRACT:
A magnetic field-sensitive sensor device contains two branch circuits having a plurality of GMR sensor elements, each of whose thin-film structure has a bias layer portion. At least one pair of sensor elements should have magnetizations of their bias layer portions that have at least essentially an opposite orientation relative to each other and thereby define a reference direction. At least one additional sensor element has a magnetization of its bias layer portion that forms a predetermined angle with the reference direction.

REFERENCES:
patent: 4464625 (1984-08-01), Lienhard et al.
patent: 5686837 (1997-11-01), Coehoorn et al.
E. Schruefer, Elektrische, Me.beta.technick, 6th Edition, 1995, pp. 226-237 .

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