Package for the magnetic field sensitive device

Details Package for the magnetic field sensitive device Package for the magnetic field sensitive device

1991-01-14

1993-06-01

Lateef, Marvin M.

Electrical resistors

Resistance value responsive to a condition

Magnetic field or compass

H01L 4300

Patent

active

052164055

ABSTRACT:
A package for a magnetic field sensitive element, such as a magnetoresistor, includes at least two planar layers of a relatively stiff ferromagnetic material which is also electrically conductive. The layers have opposed edges which are in closely spaced relation to form a narrow gap therebetween. A terminal tab is integral with and extends from each layer. A magnetic field sensitive element is on a surface of at least one of the layers and preferably extends across the gap to be on both layers. The magnetic field sensitive element has a pair of contacts each of which is electrically connected to a separate one of the layers. A permanent magnet is mounted on and insulated from the surface of the layers opposite the magnetic field sensitive element. A protective layer of an insulating material may cover the magnetic field sensitive element and the layers with the terminal tabs extending therefrom.

REFERENCES:
patent: 3943481 (1976-03-01), Masuda et al.
patent: 4584552 (1986-04-01), Suzuki et al.
patent: 4859941 (1989-08-01), Higgs et al.
patent: 4926154 (1990-05-01), Heremans et al.
patent: 4937521 (1990-06-01), Yoshino et al.
patent: 4953002 (1990-08-01), Nelson et al.
patent: 4972241 (1990-11-01), Fukuda et al.
patent: 5023684 (1991-06-01), Tsunoda

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