ULTRASONIC TRANSDUCER WITH DIELECTRIC ELASTOMER AS ACTIVE LAYER
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
May 30, 2013
filing date -
Jun 1, 2012
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Abstract
There is provided a new type of ultrasound transducer, where a Dielectric Elastomer (DE) material is used as the active layer (actuation and/or sensing). Such a transducer operates by applying a combination of a DC and an AC voltage signal to achieve frequencies above 100 kHz. The DE material is typically sandwiched between two planar electrodes.
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