Dielectric resonator and dielectric filter
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United States of America Patent
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Mar 16, 2021
Grant Date -
Oct 24, 2019
app pub date -
Mar 13, 2019
filing date -
Apr 24, 2018
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Abstract
A dielectric filter includes a plurality of dielectric resonators. The dielectric filter further includes a plurality of resonator bodies corresponding to the plurality of dielectric resonators, and a peripheral dielectric portion lying around the plurality of resonator bodies. Each of the plurality of resonator bodies is formed of a first dielectric having a first relative permittivity. The peripheral dielectric portion is formed of a second dielectric having a second relative permittivity lower than the first relative permittivity. Each of the plurality of resonator bodies includes a plurality of individual elements separated from each other.
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