Patent ID: 6967180
Filing Date: 2005-11-22
Classification: C04B,H01G,Y10T

Abstract:
1. A dielectric ceramic composition comprising: 100 parts by weight of a primary component represented by the general formula a[(Sr w parts by weight of MgTiO x parts by weight of SiO y parts by weight of MnO z parts by weight of LnO wherein m is 1 to 2; Ln is at least one of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, dysprosium, holmium and erbium; and k is in the range of 1.5 to 2 such that LnO wherein a, b, n, w, x, y and z satisfy the following conditions: 0.90≦a≦0.95, 0.90≦b≦0.95, 1.8≦n≦3.0, 5.0≦w≦10.0, 0.1≦x≦1.0, 0.1≦y≦0.3, and 1.0≦z≦5.0.