High frequency piezocomposite with triangular cross-sectional shaped pillars
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United States of America Patent
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Nov 13, 2012
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app pub date -
Dec 8, 2010
filing date -
Oct 29, 2007
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Abstract
A transducer with triangular cross-sectional shaped pillars is described for suppressing lateral modes within a composite, and a method for producing the same. According to one aspect of the present application, a plurality of triangular cross-sectional shaped pillars extends outwardly from a substrate and form an array of pillars. The resulting array of pillars is configured to suppress the lateral modes of the transducer at higher operating frequencies, such as, at or above 15 MHz, at or above 20 MHz, or at or above 30 MHz.
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