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The bimorph type transducers are a joint of two piezoelectric elements, which expand and compress towards the direction of length. When one side expands, the other side compress, and becomes bending type transducers. Conversely, the alternating electric field can be output by giving the bending force. This transducer has the frequency of audio, and uses as a sound sensor of high sensitivity or an actuator of the ON-OFF drive. | |||
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