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|Type:||Artigo de evento|
|Title:||Simulation Of A Piezoelectric Transducer Composed Of Concentric Rings With Various Types Of Layer Rear [simulação De Um Transdutor Piezoelétrico Composto Por Anéis Concêntricos Com Vários Tipos De Camada De Retaguarda]|
|Author:||do Nascimento V.M.|
|Abstract:||This paper describes PZFlex simulation of high frequency (30MHz) 3mm radius annular array piezoelectric transducer. Kerf designs with various backing layers were simulated with PZFlex to compare the beam profile of annular array transducers configured with equal areas 5, 6, 7, 8 and 10 rings. In our simulations the transducer with 6 rings presented higher values for pressure peak than the others transducers configurations, and the transducer with 7 rings presented lower values. For all configurations simulated, those of transducers with backing layers made of epoxy presented the highest pressure peak values and transducers whose backing layer were made of tungsten showed weaker values of pressure peak. © Springer-Verlag Berlin Heidelberg 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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