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Transducer Array for Ultrasound Holographic B-Scan Imaging

  • Veijo Suorsa
  • Esko Alasaarela
  • Antti Tauriainen
Part of the Acoustical Imaging book series (ACIM, volume 15)

Abstract

A 128 element transducer array with 64 PZT ceramic transmitter elements and 64 PVDF polymer receiver elements is described. The array is working at a frequency of 4 MHz and it has been constructed with the requirements of the ultrasound holographic B-scan (UHB) imaging in mind. The most important of these requirements are high sensitivity and a wide angular response in the azimuth plane. The sensitivity of the PVDF receiver elements of the prototype array, however, was found to be nearly 7 dB less when the response from an electrically tuned PVDF element was compared to the response from an untuned PZT element of the same array as a receiver.

Keywords

Acoustic Impedance Cross Coupling Neighbouring Element Tungsten Powder PVDF Film 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Veijo Suorsa
    • 1
  • Esko Alasaarela
    • 1
  • Antti Tauriainen
    • 1
  1. 1.Department of Electrical EngineeringUniversity of OuluOuluFinland

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