Method of manufacturing a conformable composite acoustic transdu

Details Method of manufacturing a conformable composite acoustic transdu Method of manufacturing a conformable composite acoustic transdu

1997-07-24

1999-09-14

Hall, Carl E.

Metal working

Piezoelectric device making

29594, 367155, H04R 1700

Patent

active

059502916

ABSTRACT:
Methods for fabricating 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.

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

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