Operation of patterned ultrasonic transducers
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Apr 15, 2008
filing date -
Mar 13, 2008
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Abstract
There is provided a transducer array comprising at least one unitary piece of piezoelectric material having first and second opposing surfaces; and a conductive layer on each of said first and second opposing surfaces, wherein at least one of said conductive layers is divided up into a plurality of electrode elements, and wherein said electrode elements, independently, are adapted to receive excitation energy of at least one of a predetermined amplitude and phase.
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