Piezoceramic material having high piezoelectric activity and hig

Details Piezoceramic material having high piezoelectric activity and hig Piezoceramic material having high piezoelectric activity and hig

1994-03-10

1995-06-13

Bell, Mark L.

Compositions

Piezoelectric

501135, 501123, C04B 35472, C04B 35491, C04B 35499

Patent

active

054239958

ABSTRACT:
The invention relates to a piezoelectric ceramic material based on lead zirconate titanate and further additives, which contains as additives complex compounds having the formula

REFERENCES:
patent: 4313839 (1982-02-01), Fesenko et al.
patent: 4812426 (1989-03-01), Takagi et al.
Banno, H. et al., "Piezoelectric Properties and Temperature Dependences of Resonant Frequency of WO.sub.3 --MnO.sub.2 --Modified Ceramics of Pb(Zr--Ti)O.sub.3 ", Japanese Journal of Applied Physics, 6:954-961; (Aug., 1967).
Neorg. Mater. 26, pp. 219-220 (1990) No Month.
"Guide to Dynamic Measurements of Piezoelectric Ceramics with High Electromechanical Coupling", Die Internationale Norm IEC 483 (Aug. 1, 1976).

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