Magnetostatic wave device

Details Magnetostatic wave device Magnetostatic wave device

1988-05-03

1990-07-03

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

3332192, H01P 120

Patent

active

049394886

ABSTRACT:
A magnetostatic wave device includes a ferrimagnetic base such as an YIG (yttrium, iron, garnet) thin film. This ferrimagnetic base is formed, for example, on a GGG (gadolinium, gallium, garnet) substrate. Furthermore, a disk-form conductor is formed on the YIG thin film. This conductor is formed by adhering, for example, copper foil to the YIG thin film or by adhering a conductive material such as silver to the YIG thin film surface by means of evaporating or sputtering method.

REFERENCES:
patent: 3593216 (1971-07-01), Buck
patent: 4034313 (1977-07-01), Jones et al.
patent: 4122418 (1978-10-01), Nagao
patent: 4565984 (1986-01-01), Castera et al.
patent: 4743874 (1988-05-01), Kinoshita et al.
patent: 4777462 (1988-10-01), Kunz et al.

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