| 摘要 |
<p>The invention provides a dielectric ceramic including as the main component a complex oxide formed of both Zr and Ti, at least one component selected from the group (A) consisting of {Mg, Co, Zn, Ni and Mn} and at least one component selected from the group (B) consisting of {Nb and Ta} and a TE01 delta -mode dielectric resonator including the dielectric ceramic, and also the invention provides a dielectric ceramic composition expressed by Formula (a): xZrO2-yTiO2-zA(1+w)/3Nb(2-w)/3O2 Formula (a> wherein A denotes at least one component selected from the group (A) consisting of {Mg, Co, Zn, Ni and Mn}, x, y and z denote molar fractions ranging from 0.10 to 0.60, 0.20 to 0.60 and 0.01 to 0.70, respectively, and have the relation represented by Formula ( alpha ): x+y+z=1 Formula ( alpha > and w denotes a value of 0 to 1.50, and a TE01 delta -mode dielectric resonator in which using the dielectric ceramic.</p> |
