| 摘要 |
There is provided a dielectric porcelain used as dielectric resonator mainly in a microwave range. According to the present invention, 0.1 to 5.3 mol % of one or more of Tb4O7, CeO2, TeO2, Gd2O3 and Dy2O3 as additive is admixed to a dielectric material PbxZr(1-x)O(2-x) wherein 0.42</=</=0.69 to procure a dielectric constant while keeping the dielectric loss to a lower value and simultaneously controlling temperature characteristics of the dielectric constant, that is, temperature characteristics of the resonant frequency. |
