Piezoelectric composite material

Details Piezoelectric composite material Piezoelectric composite material

1985-04-11

1987-06-23

Cooper, Jack

Compositions

Piezoelectric

C04B 3500, C04B 3549

Patent

active

046751238

ABSTRACT:
A piezoelectric composite material having excellent piezoelectric property and workability, which is prepared by compounding in a specific mixing ratio a ferroelectric ceramic powder comprising microcrystals having uniform size and virtually a single domain and a polymer. The ceramic powder is obtained by preparing a ceramic having a desired composition by causing the appropriate mixture of starting powders to undergo a solid phase reaction, grinding the reaction product, annealing the resulting powder under heat and optionally chemically etching it.

REFERENCES:
patent: 3352632 (1967-11-01), Sasaki
patent: 3708438 (1973-01-01), Levy
patent: 4128489 (1978-12-01), Seo
patent: 4152281 (1979-05-01), Arendt et al.

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