Ultrasound imaging transducer acoustic stack with integral electrical connections
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United States of America Patent
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Dec 11, 2012
Grant Date -
Feb 3, 2011
app pub date -
Jul 28, 2010
filing date -
Jul 29, 2009
priority date (Note) -
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Abstract
An ultrasound transducer that includes a backing layer, an insulating layer disposed on top of the backing layer, and a plurality of conductive traces disposed on top of the insulating layer are disclosed. Each of the conductive traces has an upper face. A plurality of transducer elements, each having (a) a core of piezoelectric material and (b) a conductive coating disposed beneath the core, are bonded directly to the upper face of a respective one of the plurality of conductive traces. Methods for fabricating ultrasound transducers are also disclosed.
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