论文部分内容阅读
本文报导了工作频率大于１兆赫的ＰＶＤＦ压电薄膜发射换能器和带有ＭＯＳ电路的 ＰＶＤＦ压电薄膜接收换能器的试制性能。对不同材料的前后衬， ＰＶＤＦ层数对发射接收灵敏度和频率响应的影响作了讨论．
This article reports the trial performance of PVDF piezoelectric thin film transmit transducers operating at frequencies greater than 1 MHz and PVDF piezoelectric thin film receiving transducers with MOS circuits. The influence of different material front and back lining and PVDF layers on transmitting and receiving sensitivity and frequency response are discussed.