Patent ID: 7820578
Filing Date: 2010-10-26
Classification: C04B,H01G

Abstract:
1. A method of production of a dielectric ceramic composition, the method comprising: preparing a dielectric oxide having a composition formula of: where x, y, z, and m in the formula are: 0.5≦x≦1.0, 0.01≦y≦0.10, 0<z≦0.20, and 0.90≦m≦1.04, mixing, with respect to 100 parts by weight of the dielectric ceramic composition, 1 to 10 parts by weight of a sintering aid and 0.1 to 1.5 parts by weight of sodium oxide, sodium carbonate, or a mixture thereof in terms of Na firing an obtained mixture; wherein said sintering aid comprises, with respect to 100 wt % of said sintering aid: