Multilayer thin film hall effect device

Details Multilayer thin film hall effect device Multilayer thin film hall effect device

1994-09-30

1996-05-14

Lateef, Marvin M.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

H01L 4300

Patent

active

055171702

ABSTRACT:
A Hall effect device and a method of obtaining a magnetic field map of a magnetic body with the Hall effect device. The device comprises: (1) a substrate, (2) a first layer having a first Hall coefficient deposited over the substrate and (3) a second layer having a second Hall coefficient deposited over the first layer, the first and second layers cooperating to create, in the Hall effect device, a third Hall coefficient different from the first and second Hall coefficients. Creation of the third Hall coefficient by cooperation of the first and second layers allows use of materials for the first and second layers that were previously unavailable for Hall effect devices due to their relatively weak Hall coefficient.

REFERENCES:
patent: 4584552 (1986-04-01), Suzuki et al.
patent: 4823075 (1989-04-01), Alley
patent: 4905318 (1990-02-01), Fukuda et al.
patent: 5055820 (1991-10-01), Kimura et al.
patent: 5146201 (1992-09-01), Kimura et al.

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