Magnetic apparatus including thin film YIG resonator

Details Magnetic apparatus including thin film YIG resonator Magnetic apparatus including thin film YIG resonator

1985-03-06

1987-10-20

LaRoche, Eugene R.

Wave transmission lines and networks

Resonators

333234, H01P 700

Patent

active

047017295

ABSTRACT:
Disclosed herein is a magnetic apparatus comprising: a magnetic circuit including magnetic yoke and a magnet, with a magnetic gap formed in the circuit for forming a uniform d.c. bias magnetic field in the magnetic gap; a magnetic device made of magnetic material of certain composition and placed in the magnetic gap so that the device operates in the d.c. bias magnetic field; and a soft magnetic plate provided in the magnetic gas, the soft magnetic plate being made of magnetic material having composition substantially identical to the composition of the magnetic device.

REFERENCES:
patent: 3016497 (1962-01-01), Kostelnick
patent: 3740675 (1973-06-01), Moore et al.
patent: 4096461 (1978-06-01), Roschmann
patent: 4152676 (1979-05-01), Morgenthaler et al.
patent: 4169253 (1979-09-01), Cohen
patent: 4197517 (1980-04-01), Vittoria
patent: 4547754 (1985-10-01), Murakami et al.

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