| 诸国桢,杨勇,卢克安.10MHz短脉冲超声聚焦换能器的工艺及效果[J].声学技术,2001,(3):122~124 |
| 10MHz短脉冲超声聚焦换能器的工艺及效果 |
| The technology and physical properties of 10MHz short pulse ultrasonic focused transducer |
| 投稿时间：2000-07-07 修订日期：2000-08-25 |
| DOI： |
| 中文关键词: 聚焦换能器 短脉冲 医学超声 无损检测 |
| 英文关键词: focused transducer short pulse ultrasonic medicine nondestructive testing |
| 基金项目: |
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| 中文摘要: |
| 文章报导了为生物医学研究用的聚焦换能器,可以在水中发出延续时间为一个半周期,主频为10MHz的超声脉冲。文中介绍了研制工艺,并给出换能器以下的物理特性:1.用光学法拍摄的换能器在水中的聚焦过程;2.激发换能器的电脉冲波形及接收电压的波形和幅值;3.对于试样的探测结果。 |
| 英文摘要: |
| An ultrasonic focused transducer mainly used in biomedical technology, with its main frequency of 10MHz and the duration of one and a half periods, is described in detail in this paper. The following physical properties of this transducer are given: 1.The focused acoustic field recorded by an optical method; 2.The electric waveform for triggering the transducer and the related waveform received by another transducer; 3.The testing results of a sample. |
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