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The transducer under consideration is a planar 2D array transducer working at 3.5 MHz. The transducer is composed of 17 by 17 piezoelectric elements separated by major and minor kerfs, a thick backing layer, two front impedance matching layers, and an acoustic lens. Three-dimensional finite element models of the transducer were constructed using the commercial finite element analysis (FEA) code PZFlex...
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