Patent ID: 6995106

Claim:
A dielectric ceramic material comprising: Ba, Nb, and Ta; at least Co; and at least one species selected from the group consisting of K, Na, and Li, said ceramic material being represented by the compositional formula: (100-a)[Ba u {(Zn v Co 1-v ) w Nb x }O δ3 ]-a[M y Ta z O δ3 ], where M represents at least one species selected from the group consisting of K, Na, and Li, and the following relations are satisfied simultaneously: 0.5≦a≦25; 0.98≦u≦1.03; 0.4≦v≦0.8 0.274≦w≦0.374; 0.646≦x≦0.696; 0.5≦y≦2.5; and 0.8≦z≦1.2.