Method of making a ferrite/semiconductor resonator/filter

Details Method of making a ferrite/semiconductor resonator/filter Method of making a ferrite/semiconductor resonator/filter

1995-05-30

1997-04-01

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

3332192, H01F 4114

Patent

active

056154739

ABSTRACT:
A semiconductor substrate with electronic circuitry (e.g., a transmitter or receiver) formed thereon and including interconnects. A ferrite disk bonded to the substrate so as to interact with the interconnects, when the ferrite disk is activated by a substantially constant magnetic field thereacross, to provide frequency selectivity within the electronic circuitry. A permanent magnet positioned adjacent to the ferrite disk to provide a substantially constant magnetic field across the ferrite disk so that the magnetic field produces resonance in the ferrite disk.

REFERENCES:
patent: 4484161 (1984-11-01), Barger
patent: 4679015 (1987-07-01), Murakami et al.
patent: 4920323 (1990-04-01), Schloemann et al.
patent: 5309127 (1994-05-01), Mariani

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