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Measurement of Small Values of Electromechanical‐Coupling Coefficient in Piezoelectric Transducers

 

作者: Kimio Shibayama,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1962）
卷期: Volume 34, issue 12  

页码: 1883-1886

 

ISSN:0001-4966

 

年代: 1962

 

DOI:10.1121/1.1909145

 

出版商: Acoustical Society of America

 

数据来源: AIP

 

摘要:

The electromechanical‐coupling coefficient of a piezoelectric transducerkis usually derived from the difference between resonance and antiresonance frequencies for a particular mode. However, if the mechanicalQof the transducerQmis low, i.e.,k2Qm < 2, this relationship breaks down. The regionk<20% and 100

 

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