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Development in High Frequency Ultrasonic Imaging and Transducers

[+] Author Affiliations
K. Kirk Shung

Pennsylvania State University, University Park, PA

Paper No. PVP2002-1632, pp. 33-35; 3 pages
doi:10.1115/PVP2002-1632
From:
  • ASME 2002 Pressure Vessels and Piping Conference
  • Nondestructive Engineering: Applications
  • Vancouver, BC, Canada, August 5–9, 2002
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4661-X
  • Copyright © 2002 by ASME

abstract

There has been intense interest recently in ultrasonic imaging in the frequency range from 20 MHz and beyond in biomedicine. High frequency ultrasound has applications in dermatology, ophthalmology and intravascular imaging because of its superior resolution. The performance of ultrasonic imaging systems especially at high frequencies depends critically upon the transducers/arrays, the design of which in turn is determined to a large degree by the materials and fabrication methodology of the piezoelectric element and supporting structures. Recent developments in these areas are discussed in this paper.

Copyright © 2002 by ASME

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