Method for plating piezoelectric composite
A technology of composites and conductive polymers, applied in the manufacture/assembly of piezoelectric/electrostrictive devices, using vibrating fluids, etc., can solve problems such as increased cracking of thin coatings, expansion of epoxy resin, and unknown manufacturing methods , to achieve the effect of improving the acoustic performance
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[0027] Figure 2 depicts a multi-array transducer 10 incorporating the piezoelectric composite of the present invention. The transducer comprises a plurality of piezoelectric composite ceramic pillars 12 . Each ceramic pillar 12 is separated from adjacent ceramic pillars 12 by a non-conductive material 14, such as a polymer. In a preferred embodiment, the polymer is epoxy. The piezoceramic composite column is characterized by being capable of vibrating when exposed to electrical excitation to thereby generate mechanical or sound waves, hereinafter referred to as ultrasound, and generating electrical pulses when excited by incident sound waves. The preferred metallic material is lead zirconate titanate (PZT), although polycrystalline relaxor materials (PZN-PT materials) and biased electrostrictive materials (PMN-PT ferroelastic relaxors) known in the art can also be used. ) of other equivalent materials. Each ceramic post 12 or element includes an electrical connector 16 to a...
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