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ULTRASONIC TRANSDUCER AND ULTRASONIC MEDICAL DEVICE
专利权人:
OLYMPUS CORPORATION
发明人:
Hiroshi ITO
申请号:
US15690794
公开号:
US20170365769A1
申请日:
2017.08.30
申请国别(地区):
US
年份:
2017
代理人:
摘要:
An ultrasonic transducer includes: two metal blocks; a plurality of piezoelectric elements having rectangular surfaces and stacked between the metal blocks; and bonding materials bonding the metal block and the piezoelectric element and the piezoelectric elements to each other. Thermal expansion coefficients in the diagonal directions from the center of the surface of the piezoelectric element to the four corners thereof are equal to each other.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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