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ULTRASOUND MICROSCOPY TECHNIQUES TO DETECT DELAMINATION IN STACKED LAYERS

Stefan Johann Rupitsch, Bernhard Günther Zagar
  • Abstract:
    We present the theory and some applications of the synthetic aperture focusing technique applied to single transducer ultrasonic data sets. In this technique a virtual source located at the geometrical focal point of the physical transducer is algorithmically generated and thus allows for tighter focusing over a geometrically larger scan volume. We present results from a structural test phantom (two copper wires) and a delaminated specimen.
  • Keywords:
    ultrasound, synthetic aperture focusing technique, virtual source, B–mode imaging, delamination
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  • DOI:
    _unreg_wc-2006.TC10-012

Event details:

  • IMEKO TC:
  • Event name:
    XVIII IMEKO World Congress
  • Title:

    Metrology for a Sustainable Development

  • Place:
    Rio de Janeiro, BRAZIL
  • Time:
    17 September 2006 - 22 September 2006