Patent ID: 6451721
Filing Date: 2002-09-17
Classification: C04B,H01G

Abstract:
A dielectric ceramic composition comprising100% by weight of main component comprising: about 35 to 55% by weight of SrTiO3, about 10 to 35% by weight of PbTiO3, about 5 to 12% by weight of CaTiO3, about 8 to 25% by weight of Bi2O3, and about 5 to 13% by weight of TiO2; about 0.02 to 0.5% by weight of MnO, about 0.05 to 2% by weight of an oxide of at least one element selected from the group consisting of La, Ce, Nd, Pr, Sm, Dy, Er and Y, and about 0.02 to 0.8% by weight of CuO.