| 摘要 |
A dielectric ceramic material as claimed in claim 1 with a composition of formula <?in-line-formulae description="In-line Formulae" end="lead"?>xCaTiO<SUB>3</SUB>+(1-x)Sm<SUB>z</SUB>Re<SUB>(1-z)</SUB>AlO<SUB>3</SUB> (1)<?in-line-formulae description="In-line Formulae" end="tail"?> optionally doped with about 0.005% to about 5% of CeO<SUB>2 </SUB>as a dopant, wherein 0.5<=x<=0.9, 0.3<=z<=0.995, or Re may be selected from a group consisting of La, Pr, Dy, Gd, Y, Er, Ho and mixtures thereof.
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