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Acoustic power output measurements for thick-film PZT transducers

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.

References

    1. 1)
      • A silicon microfluidic ultrasonic separator
    2. 2)
      • Improving the piezoelectric properties of thick-film PZT: the influence of paste composition, powder milling process and electrode material
    3. 3)
http://iet.metastore.ingenta.com/content/journals/10.1049/el_20040428
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