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RESONANT TRANSDUCER, MANUFACTURING METHOD THEREFOR, AND MULTI-LAYER STRUCTURE FOR RESONANT TRANSDUCER
RESONANT TRANSDUCER, MANUFACTURING METHOD THEREFOR, AND MULTI-LAYER STRUCTURE FOR RESONANT TRANSDUCER
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机译:谐振变换器,其制造方法以及谐振变换器的多层结构
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摘要
A resonant transducer includes a silicon single crystal substrate, a silicon single crystal resonator disposed over the silicon single crystal substrate, a shell made of silicon, surrounding the resonator with a gap, and forming a chamber together with the silicon single crystal substrate, an exciting module configured to excite the resonator, a vibration detecting module configured to detect vibration of the resonator, a first layer disposed over the chamber, the first layer having a through-hole over the resonator, a second layer disposed over the first layer, the second layer covering a gap being positioned above the through-hole and being communicated with the through-hole, and a third layer covering the first layer and the second layer, and the third layer sealing the gap.
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