Ultrasound transducer element and ultrasound endoscope

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专利权人:

发明人:

Kazuya Matsumoto,Kazuhisa Karaki,Mamoru Hasegawa,Katsuhiro Wakabayashi

申请号：

US14265745

公开号：

US10016121B2

申请日:

2014.04.30

申请国别(地区):

US

年份:

2018

代理人:

摘要：

An ultrasound transducer element includes a plurality of electrostatic capacitance type ultrasound cells each having a lower electrode portion and a membrane including an upper electrode portion that are oriented and disposed via a cavity circular in plan view, and a thickness of the cavity monotonously decreases in a curved manner toward an outer circumferential portion from a center portion of the cavity.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/