Dielectric resonator and filter utilizing a non-radiative dielec

Details Dielectric resonator and filter utilizing a non-radiative dielec Dielectric resonator and filter utilizing a non-radiative dielec

1997-06-26

1999-08-31

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

3332191, H01P 120, H01P 710

Patent

active

059458941

ABSTRACT:
A dielectric resonator capable of resonating at a predetermined resonance frequency has a dielectric substrate, a first electrode formed on a first surface of the dielectric substrate and having a first opening, a second electrode formed on a second surface of the dielectric substrate and having a second opening, a first conductor plate disposed by being spaced apart from the dielectric substrate by a predetermined distance, and a second conductor plate disposed by being spaced apart from the dielectric substrate by a predetermined distance, wherein at least one of said first and second conductor plates is electrically connected to at least one of said first and second electrodes. The region of the dielectric substrate defined between the first and second electrodes, a free space defined between the first electrode and the first conductor plate and another free space defined between the second electrode and the second conductor plate are cut-off regions for attenuating a high-frequency signal having the same frequency as the resonance frequency. This dielectric resonator can be used in a millimeter wave band, can resonate with markedly small variations of its resonance frequency even if the temperature thereof varies, and can be manufactured at a low cost.

REFERENCES:
patent: 3688225 (1972-08-01), Cohn
patent: 3914713 (1975-10-01), Konishi et al.
patent: 4757285 (1988-07-01), Krause
patent: 5484764 (1996-01-01), Fiediuszko et al.
patent: 5764116 (1998-06-01), Ishikawa et al.

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