AIR-BACKED TRANSDUCERS FOR ULTRASOUND DENERVATION AND METHODS AND SYSTEMS THAT USE AIR-BACKED TRANSDUCERS
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United States of America Patent
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Issued Date -
Feb 22, 2024
app pub date -
Aug 16, 2023
filing date -
Aug 16, 2022
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Abstract
An apparatus comprising an ultrasound transducer configured for emitting ultrasound is provided. The ultrasound transducer comprises a hollow piezoelectric transducer body having a longitudinal axis and a radially inner surface, a tubular backing support member extending longitudinally through the piezoelectric transducer body and having a radially outer surface, a chamber defined between the radially inner surface of the piezoelectric transducer body and the radially outer surface of the tubular backing support member and between a first end and an opposite second end in an axial direction, wherein said ends are each formed by a conductive part and a gas-tight sealing layer of metal solder material in contact with the surface of the conductive part, which is opposite to the chamber.
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