Ultrasonic transducer device, probe, electronic instrument, and ultrasonic diagnostic device
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
Mar 27, 2014
filing date -
Mar 29, 2013
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Abstract
An ultrasonic transducer device includes a base, a plurality of piezoelectric elements, a conductive body and an insulating film. The base has a plurality of vibrating film portions arranged in an array pattern. The piezoelectric elements are respectively disposed on the vibrating film portions. The conductive body is disposed on the base, and arranged inside and outside of an area corresponding to each of the vibrating film portions in a plan view as viewed along a thickness direction of the base. The insulating film is disposed on the conductive body only at outside of the area corresponding to each of the vibrating film portions in the plan view.
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