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. Author manuscript; available in PMC: 2009 Oct 11.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Sep;56(9):1913–1922. doi: 10.1109/TUFFC.2009.1267

Fig 1.

Fig 1

Simplified schematic diagram of IMCPA transducer with 5 × 3 elements. (a) The front view of IMCPA without a matching layer. (b) The side view of IMCPA with a matching layer. All arrays had 1–3 piezocomposite structures and their surfaces had a common focal point in elevational direction. The center imaging array had a backing layer to increase the bandwidth and the outer therapy arrays had air backings to maximize transmission of ultrasound. A matching layer would also increase the transmission efficiency of IMCPA.