Patent ID: 6310761
Filing Date: 2001-10-30
Classification: C01G,C01P,C04B,H01G

Abstract:
A dielectric ceramic composition comprising:a barium titanate;a rare-earth oxide in which the rare-earth element R is at least one element selected from the group consisting of Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb;a calcium oxide; anda silicon oxide,wherein the dielectric ceramic composition is represented by the formula 100Ba.sub.m TiO.sub.3 +aRO.sub.3/2 +bCaO+cSiO.sub.2, in which coefficients 100, a, b, and c indicate moles, and m, a, b and c satisfy the relationships 0.990.ltoreq.m.ltoreq.1.030, 0.5.ltoreq.a.ltoreq.30, 0.5.ltoreq.b.ltoreq.30 and 0.5.ltoreq.c.ltoreq.30, respectively.