Piezeoelectric ceramic-polymer composites

Details Piezeoelectric ceramic-polymer composites Piezeoelectric ceramic-polymer composites

1996-03-21

1997-12-30

Bonner, Melissa

Compositions

Piezoelectric

252 629PZ, 524413, 310313R, 310313A, 310311, 310322, 310357, 310359, 310317, 310339, H01L 4118, H01L 41157, H01L 41193

Patent

active

057026297

ABSTRACT:
Methods and compositions are described for the preparation of piezoelectric ceramic-polymer composites having improved properties for application in piezoelectric devices. These composites consist of piezoelectric particles embedded in a polymer matrix. The improvements of this invention result from discoveries of the effects of particle size, particle size dispersity, volumetric loading levels, ceramic dielectric constant, and polymer dielectric constant on performance. Various improved devices based on these compositions are also described.

REFERENCES:
patent: 4128489 (1978-12-01), Seo
patent: 4675123 (1987-06-01), Tsunooka et al.
patent: 4826616 (1989-05-01), Tanino et al.

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