Patent ID: 7521390
Filing Date: 2009-04-21
Classification: C04B,H01G

Abstract:
1. A lead-free and cadmium-free ceramic dielectric composition for multilayer ceramic capacitor manufacturing comprising: a. about 85 to about 98 wt % BaTiO b. about 0.3 to about 2.5 wt % ZnO, c. about 0.05 to about 1 wt % B d. about 1 to about 8 wt % Bi e. about 0.05 to about 1.5 wt % CeO f. about 0.01 to about 2 wt % WO g. about 0.01 to about 0.5 wt % CuO, and h. about 0.01 to about 0.5 wt % MnO.