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ULTRASONIC PROBE AND ULTRASONIC DIAGNOSTIC APPARATUS
专利权人:
Konica Minolta; Inc.
发明人:
Ikuhiro KITAGAKI
申请号:
US16295369
公开号:
US20190307424A1
申请日:
2019.03.07
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An ultrasonic probe includes: a piezoelectric element that is used for transmitting and receiving ultrasonic waves; a signal electrode that is disposed at a rear surface side of the piezoelectric element; and a backing that is disposed at a rear surface side of the signal electrode, wherein the backing has a thermal resistance of 8 K/W or less, and the backing attenuates an ultrasonic wave with the lowest frequency by 10 dB or more, among frequencies at which transmittance and reception sensitivity of the ultrasonic probe is decreased from the maximum value thereof by 20 dB.
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中国工程科技知识中心
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