Easily poled 0-3 piezoelectric composites for transducer applica

Details Easily poled 0-3 piezoelectric composites for transducer applica Easily poled 0-3 piezoelectric composites for transducer applica

1987-03-06

1990-07-31

Sneed, H. M. S.

Compositions

Piezoelectric

C04B 3500

Patent

active

049448919

ABSTRACT:
A PZT-polymer composite of 0-3 connectivity further includes a third phase particulate additive of conductive or semiconductive material to increase the electrical conductivity of the polymer matrix.

REFERENCES:
patent: 3068177 (1962-12-01), Sugden
patent: 4027074 (1977-05-01), Cross et al.
patent: 4128489 (1978-12-01), Seo
patent: 4227111 (1980-10-01), Cross et al.
patent: 4330593 (1982-05-01), Shrout et al.
patent: 4595515 (1987-06-01), Wakino et al.
The Encyclopedia Americana, Americana Corporation, Danbury, Conn. 1829.
Bernard Jaffe, Piezoelectric Ceramics, 1971, Academic Press, pp. 1-5, 16, 17, 34, 35.
Sagong et al, "Poling Study on Ceramic Polymer Composite", 86th Annual Meeting and Exposition, Ceramic Society Bulletine, Session II, (33-E-84), p. 481, May 1, 1984.
Kitamura et al, "A Piezoelectric Ceramic and a Bimorph for Auto Tracking in VTR," Japanese Journal of Applied Physics, vol. 20, pp. 97-100, 1981.

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