Roger J Card, Michael P O Toole, Ahmad Safari: Method of making piezoelectric composites. American Cyanamid Company, Michael J Kelly, February 23, 1988: US04726099 (43 worldwide citation)

Piezoelectric ceramic polymer matrices, piezoelectric composites, and methods of make the matrices and composites are disclosed.

Roger W Whatmore, Andrew G Munns, David W Lane: Method of making piezoelectric composites. Plessey Overseas, Fleit Jacobson Cohn Price Holman & Stern, October 31, 1989: US04876776 (21 worldwide citation)

A method of fabricating a piezoelectric composite comprising an array of piezoelectric elements and a reinforcement structure embedded in a material. The method includes the step of forming the reinforcement structure prior to assembly with the piezoelectric elements, the reinforcement structure def ...