ULTRASONIC TRANSDUCER AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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Jun 18, 2020
app pub date -
Jul 26, 2018
filing date -
Mar 28, 2018
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Abstract
Provided is an ultrasonic transducer and a preparation method thereof. The ultrasonic transducer includes a housing. A piezoelectric layer is disposed in the housing and includes at least two piezoelectric array elements. A frequency interval between the piezoelectric array elements is 50 kHz to 1.2 MHz. An acoustic lens is disposed at a front end of the piezoelectric layer and is used for ensuring that the piezoelectric array elements having different frequencies have a common focus.
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