Patent ID: 8900475
Filing Date: 2014-12-02
Classification: C01G,C01P,C04B,H01L

Abstract:
1. A PZT-type piezoelectric ceramic material having a perovskite structure of the ABO 3 type; wherein the stoichiometric ratio of A:B is 1:1; wherein the “A” component is Pb wherein z is between 0.02 and 0.03; wherein x is between 0.03 and 0.07; wherein y is between 0.40 and 0.60; and wherein the material further comprises dopants, with said dopants comprising Ce, Cu, and Nb dopants, with each of said Ce, Cu, and Nb dopants being provided in an amount of up to 2 wt. %, and with the combined amount of the Ce, Cu, and Nb dopants being between 1 wt. % and 4 wt. %.