| abstract |
The present patent application relates to a ceramic material for multilayer capacitors, which has the general formula: Pb (1-1.5a-0.5b+l.5d+e+0.5f) A a B b (Zr 1-x Ti x ) (1-c-d-e-f) Li d C e Fe f Si c O 3 + y⋅PbO (I), where A is selected from the group consisting of La, Nd, Y, Eu, Gd, Tb, Dy, Ho, Er and Yb; B is selected from the group consisting of Na, K and Ag; C is selected from the group consisting of Ni, Cu, Co and Mn; and 0 < a < 0.12; 0.05 ≤ x ≤ 0.3; 0 < b < 0.12; 0 ≤ c ≤ 0.12; 0 < d < 0.12; 0 ≤ e ≤ 0.12, 0 ≤ f ≤ 0.12, 0 ≤ y ≤ 1, and b + d + e + f > 0. The present patent application also relates to a capacitor comprising ceramic material as described above. |