National Changhua University of Education Institutional Repository : Item 987654321/11393
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题名: A Capacitance Level Sensor Design and Sensor Signal Enhancement
作者: Li, Yu-Ting;Chao, Chih-Ming;Wang, Kerwin
贡献者: 機電工程學系
关键词: Fringing electric field;Capacitance sensor;Atmospheric-pressre plasma;Level sensor
日期: 2011-02
上传时间: 2012-06-06T01:43:58Z
出版者: IEEE
摘要: This paper introduces a novel fringe field capacitive sensor. To enhance the sensor signal, various sensor electrode design strategies and a surface modification method are introduced, discussed and compared. The sensors are characterized by both simulations and experiments. The
experiment results demonstrate the sensor capability of water level measuring. In addition, fringing field sensor of the field
strength across the target by the dielectric strength can be used to measure the dielectric constant or component of a solution.
The experiment results show that nitrogen plasma surface modification can improve the sensitivity from 69pF/mm to
97pF/mm.
關聯: Proceedings of the 2011 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems ,, Kaohsiung, Taiwan, February 20-23, 2011
显示于类别:[機電工程學系] 會議論文

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