Ultrasonic probe and ultrasonic image diagnostic device
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United States of America Patent
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Feb 28, 2017
Grant Date -
Dec 17, 2015
app pub date -
Aug 19, 2015
filing date -
Sep 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An ultrasonic transducer includes a support body, a first piezoelectric layer, a first conductive layer, a second conductive layer and a second piezoelectric layer. The support body has an opening section and a displacement section covering the opening section on one side of the support body. The first piezoelectric layer is disposed inside of the displacement section when viewed in a plan view along a thickness direction of the support body. The first conductive layer and the second conductive layer contact with the first piezoelectric layer. The second piezoelectric layer is disposed over the first conductive layer, apart from the first piezoelectric layer when viewed in the plan view. The second conductive layer is disposed over the second piezoelectric layer and intersects the first conductive layer when viewed in the plan view.
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