TM mode dielectric resonator, TM mode dielectric resonator device and high frequency band pass filter device

摘要

PURPOSE: To provide a TM mode dielectric resonator and a TM mode dielectric resonator device, which are thin compared with conventional cases and which has high no-load Q. ;CONSTITUTION: In the TM mode dielectric resonator having a dielectric substrate 10 held between a pair of electrodes 6 and 6E, at least one of them is a thin film laminated electrodes where thin film conductors 1-5 and thin film dielectrics 30-1 to 30-4 are alternately laminated, and the film thickness and the dielectric constants of the respective thin film dielectrics are set in such a way that the electromagnetic field of a main TM mode resonator where the film conductors 1-5 and the other electrode 6e hold the dielectric substrate 10 and the electromagnetic field of an auxiliary TM made resonator where the thin film dielectrics E30-1 to E30-4 are held by a pair of thin film conductors E1-E5 become the common mode. The film thickness of the respective thin film conductors except for the thin film conductor formed farthest from the dielectric substrate 10 is set to be thinner than the skin depth of a resonance frequency so that the electromagnetic field of the main TM mode resonator is connected with the electromagnetic field of the respective auxiliary TM mode resonators.;COPYRIGHT: (C)1996,JPO