Miniaturized superconducting dielectric resonator filters and me

Details Miniaturized superconducting dielectric resonator filters and me Miniaturized superconducting dielectric resonator filters and me

1994-11-28

1996-12-17

Lee, Benny T.

Superconductor technology: apparatus, material, process

High temperature devices, systems, apparatus, com- ponents,...

High frequency waveguides, resonators, electrical networks,...

505700, 505866, 333202, 3332191, 333 99S, H01P 1201, H01P 710

Patent

active

055853315

ABSTRACT:
Microwave bandpass filters contain dielectric resonators mounted in dielectric blocks, which are in turn mounted in cavities. There can be more than one dielectric resonator per cavity. Significant size reduction has been achieved over prior art filters. The filters can be operated at cryogenic temperatures and since the results attainable at cryogenic temperatures are repeatable, the filters can be tuned at cryogenic temperatures and returned to room temperature before being returned to cryogenic temperatures for operating purposes. When operated at cryogenic temperatures, the filters contain shorting plates having high temperature superconducting material thereon. The filters can be constructed with various configurations and can be operated in either a single mode or a dual-mode. Previous single mode or dual-mode dielectric resonator filters are larger in size and mass than the filters of the present application.

REFERENCES:
patent: 4521746 (1985-06-01), Hwan et al.
patent: 5179074 (1993-01-01), Fiedziuszko et al.

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