Magnetostatic wave device with minimized higher order mode excit

Details Magnetostatic wave device with minimized higher order mode excit Magnetostatic wave device with minimized higher order mode excit

1990-11-16

1992-12-01

LaRoche, Eugene R.

Wave transmission lines and networks

Resonators

Magnetic type

333202, H01P 700

Patent

active

051682540

ABSTRACT:
A magnetostatic wave device has a nonmagnetic substrate, a magnetic thin film formed on the nonomagnetic substrate, and a plurality of electrodes. By applying a magnetic field from the outside in parallel with or perpendicularly to the magnetic thin film, a magnetostatic wave is excited in the magnetic thin film and is propagated. The magnetostatic wave is coupled with a microwave signal generating circuit by a plurality of (n) electrodes. The plurality which are arranged at positions where the microwave signal is not substantially coupled with the second to (n+l)th order mode of the magnetostatic wave.

REFERENCES:
patent: 4314214 (1982-02-01), Castera et al.
patent: 4395686 (1983-07-01), Adam
patent: 4465986 (1984-08-01), Loh et al.
patent: 4743874 (1988-05-01), Kinoshita et al.
patent: 4782312 (1988-11-01), Chang et al.
patent: 4983937 (1991-01-01), Kinoshita et al.
patent: 4992760 (1991-02-01), Takeda et al.

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