ULTRASOUND TRANSDUCER WITH REDUCED CROSS-TALK AND METHOD OF MANUFACTURE
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Sep 12, 2023
filing date -
Sep 12, 2023
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Abstract
An ultrasonic transducer device has an acoustic layer with a two-dimensional array of acoustically active elements, a first electrode layer on a first side of the acoustic layer and a second electrode layer on a second side of the acoustic layer. The first electrode layer and the second electrode layer have non-parallel electrodes that permit each acoustically active element in the two-dimensional array to be separately addressable by a controller. A series of kerfs separate adjacent acoustically active elements in the two-dimensional array of acoustically active elements of acoustically active elements, the series of kerfs being filled with a low dielectric, low acoustic impedance filler.
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