Conformal composite acoustic transducer panel and method of fabr

Details Conformal composite acoustic transducer panel and method of fabr Conformal composite acoustic transducer panel and method of fabr

1995-08-02

1997-11-25

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

H04R 1700

Patent

active

056919603

ABSTRACT:
A conformable composite acoustic transducer panel including a conformable composite body having upper and lower planar faces and upper and lower thin, flexible electrodes bonded to the upper and lower faces, respectively. The composite body includes an array of individual piezoelectric or electrostrictive ceramic elements extending normal to the upper and lower faces and through the composite body from the upper face to the lower face to electrically contact the electrodes. Stiff integral face plates are bonded to the side surfaces of the elements at their upper and lower ends. Alternatively, a conformable, stiff, voided polymer matrix is bonded to the element sides over their entire length. Flexible circuit boards may be bonded to the electrodes to provide electrical contact thereto. Methods for fabricating the transducer panel are also disclosed.

REFERENCES:
patent: 5142187 (1992-08-01), Saito et al.
patent: 5239736 (1993-08-01), Sliwa, Jr. et al.
patent: 5340510 (1994-08-01), Bowen

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