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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/11393

Title: A Capacitance Level Sensor Design and Sensor Signal Enhancement
Authors: Li, Yu-Ting;Chao, Chih-Ming;Wang, Kerwin
Contributors: 機電工程學系
Keywords: Fringing electric field;Capacitance sensor;Atmospheric-pressre plasma;Level sensor
Date: 2011-02
Issue Date: 2012-06-06T01:43:58Z
Publisher: IEEE
Abstract: 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.
Relation: Proceedings of the 2011 6th IEEE International Conference on Nano/Micro Engineered and Molecular Systems ,, Kaohsiung, Taiwan, February 20-23, 2011
Appears in Collections:[機電工程學系] 會議論文

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