ULTRASONIC PROBE
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United States of America Patent
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N/A
Issued Date -
Sep 24, 2015
app pub date -
Mar 10, 2015
filing date -
Mar 18, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to an embodiment, an ultrasonic probe includes a backing plate, a piezoelectric element, and a protective layer. The piezoelectric element has a piezoelectric vibrator. The piezoelectric element is provided on the backing plate. The protective layer is provided on the surface of an end of the piezoelectric element on the side of the backing plate. Compressive stress is applied to the inside of the protective layer, and the transmission rate of sound inside the protective layer is a predetermined rate.
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