Acoustic power output measurements for thick-film PZT transducers

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Acoustic power output measurements for thick-film PZT transducers

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Direct acoustic measurements have been performed on a range of thick-film PZT ultrasonic transducer constructions, and these are compared with their electrical impedance and calculated input powers. They show good efficiency when driving into water, and a significant improvement over a similarly constructed bulk PZT transducer.

Inspec keywords: acoustic intensity measurement; piezoelectric transducers

Other keywords: acoustic power output measurements; PZT; electrical impedance; thick film PZT transducers; PbZrO3TiO3; water

Subjects: Piezoelectric devices; Acoustic variables measurement; Measurement of acoustic variables

References

    1. 1)
      • N.R. Harris , M. Hill , S. Beeby , Y. Shen , N.M. White , J.J. Hawkes , W.T. Coakley . A silicon microfluidic ultrasonic separator. Sens. Actuators B , 425 - 434
    2. 2)
    3. 3)
      • R.N. Torah , S.P. Beeby , N.M. White . Improving the piezoelectric properties of thick-film PZT: the influence of paste composition, powder milling process and electrode material. Sens. Actuators A , 378 - 384
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