ULTRASONIC VIBRATOR AND METHOD OF PRODUCING THE SAME

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专利权人:

发明人:

申请号：

EP04725148.3

公开号：

EP1614389A4

申请日:

2004.04.01

申请国别(地区):

EP

年份:

2017

代理人:

摘要：

An ultrasonic transducer comprises: an acoustic matching layer including at least a layer made up of a hard material a piezoelectric member of which the length dimension is shorter than this acoustic matching layer, which is fixed and disposed at a predetermined position of a layer made up of the hard material which makes up the aco

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