Patent ID: 6279878
Filing Date: 2001-08-28
Classification: C04B,H01L

Abstract:
A piezoelectric material, comprising:a PLZT material having the general formula (Pb.sub.0.955 La.sub.0.045)(Zr.sub.0.55 Ti.sub.0.45).sub.0.93875 O.sub.3,said PLZT material doped with from about 2 mole % to about 3 mole % Nb.sup.5+ andfrom about 2 mole % to about 3 mole % Ta.sup.5+, and said PLZT material having an average grain size of about 3 .mu.m, a maximum piezoelectric strain in the range of 0.16-0.18% and a T.sub.c of from about 196 to 218.degree. C.