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Capacitive micromachined ultrasonic transducer with multiple deflectable membranes
Capacitive micromachined ultrasonic transducer with multiple deflectable membranes
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机译:具有多个可偏转膜的电容式微加工超声换能器
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摘要
A capacitive micromachined ultrasonic transducer (CMUT) having at least two deflectable membranes. The membranes are spaced from each other, and the membranes contribute to and/or are responsive to receive or transmit an ultrasonic signal. Spacing between the at least two deflectable membranes is adjustable through application of a voltage to cause deflection of at least one of the deflectable membranes, to affect the receive/transmit properties of the CMUT.
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