| 摘要 |
A dielectric ceramic composition contains 100 parts by weight of a primary component represented by aÄ(SrbCa1-b)TiO3Ü-(1-a)ÄBi2O3.nTiO2Ü wherein a and b are moles and n is the molar ratio of TiO2 to Bi2O3; w parts by weight of MgTiO3 x parts by weight of SiO2; y parts by weight of MnOm (MnCO3 equivalent); and z parts by weight of LnOk, 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 LnOk is electroneutral, wherein a, b, n, w, x, y and z satisfy the relationships 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. |
