Piezoelectrically actuated vibrating flexible differential capacitances for electrostatic detection

Space exploration requires reliable measurements of space-radiation induced charge or its electric potential in a wide range in a satellite. Here, we report one pair of 3D printed soft multilayer differential capacitors, which are piezoelectrically actuated in vibration to convert the input static D...

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Veröffentlicht in:Applied physics letters 2019-03, Vol.114 (9)
Hauptverfasser: Shen, Xinyi, Song, Siyu, Xin, Xudong, Yu, Zejun, Yang, Jikun, Yuan, Xiaoting, Gao, Xiangyu, Yu, Xiangqian, Chen, Hongfei, Dong, Shuxiang
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Sprache:eng
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Zusammenfassung:Space exploration requires reliable measurements of space-radiation induced charge or its electric potential in a wide range in a satellite. Here, we report one pair of 3D printed soft multilayer differential capacitors, which are piezoelectrically actuated in vibration to convert the input static DC charge (high electric potential) into a measurable small dynamic AC output signal through charging and discharging between two differential capacitors. The fabricated prototype features linear responses to a high potential change and also high reliability. Moreover, the method proposed in this work is promising to achieve rapid manufacturing of functional devices in batch processing.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.5090293