Processing device, ultrasonic device, ultrasonic probe, and ultrasonic diagnostic device
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United States of America Patent
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Jan 16, 2018
Issued Date -
N/A
app pub date -
Dec 1, 2016
filing date -
May 29, 2012
priority date (Note) -
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Abstract
An ultrasonic device includes a substrate, first ultrasonic elements having a resonance characteristic of a first frequency, and second ultrasonic elements having a resonance characteristic of a second frequency lower than the first frequency. The first ultrasonic elements are arranged along a first direction to make a first to an n-th high-frequency ultrasonic element lines. The second ultrasonic elements are arranged along the first direction to make a first to an n-th low-frequency ultrasonic element lines. The first to the n-th high-frequency ultrasonic element lines and the first to the n-th low-frequency ultrasonic element lines are arranged along a second direction. The first and second ultrasonic elements have an opening, a vibrating membrane, and a piezo element part. A length in the second direction of the opening of the first ultrasonic element is shorter than a length in the second direction of the opening of the second ultrasonic element.
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