| 声表面波空心叉指换能器 |
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| 引用本文： | 李忠诚. 声表面波空心叉指换能器[J]. 声学学报, 1979, 4(3): 203-209. DOI: 10.15949/j.cnki.0371-0025.1979.03.007 |
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| 作者姓名： | 李忠诚 |
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| 摘 要： | 本文提出一种新的声表面波叉指换器结构——空心叉指换能器。对空心叉指换能器和普通叉指换能器（例如,双叉指换能器和单叉指换器）的性能进行了比较。给出了设计空心叉指换能器的数据。分析和实验结果证明,这种换能器与普通叉指换能器相比,其优点是:在相同的制造工艺和满足规定的指间反射的情况下,容易实现高的成品率和较高的工作频率。
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| 收稿时间： | 1978-04-04 |
ACOUSTIC SURFACE WAVE AIR-CORE ELECTRODE TRANSDUCER |
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| LI Zhong-cheng. ACOUSTIC SURFACE WAVE AIR-CORE ELECTRODE TRANSDUCER[J]. ACTA ACUSTICA, 1979, 4(3): 203-209. DOI: 10.15949/j.cnki.0371-0025.1979.03.007 |
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| Authors: | LI Zhong-cheng |
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| Abstract: | A new acoustic surface wave interdigital transducer——air-core electrode transduceris presented. The comparison of the air-core electrode transducer with ordinary interdigital transducers （for instance, double electrode transducer and single electrode transducer） is made. The data for designing the air-core electrode transducer is given. Analysis and experimental results prove that this transducer has performances superior to ordinary interdigital transducer. The advantages are: easy to realize a high rate of finished products and higher frequency of operation under same faborication technology and meeting the specified interelectrode reflection. |
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