Piezoelectric material

Details Piezoelectric material Piezoelectric material

1976-10-12

1977-11-22

Cooper, Jack

Compositions

Piezoelectric

C04B 3546, C04B 3548

Patent

active

040595374

ABSTRACT:
A piezoelectric material and a method of producing a piezoelectric material which has a low temperature coefficient of resonant frequency, a low hysteresis, a high mechanical Q, and is suitable for fabricating into mechanical filters. The material is a compound of the general formula Pb(Zr,Ti)O.sub.3 containing Bi substituting for 2 to 15 atomic percent of the Pb and further containing Mn, Zn, and Ni substituting for up to 4 atomic percent of the Zr and Ti.

REFERENCES:
patent: 3464924 (1969-09-01), Banno et al.
patent: 3533951 (1970-10-01), Tsubouchi et al.

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