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Design and optimization of a micro piezoresistive pressure sensor

  • Northwestern Polytechnical University Xian

科研成果: 书/报告/会议事项章节会议稿件同行评审

46 引用 (Scopus)

摘要

This paper focuses the structural design and optimisation of the micro piezoresistive pressure sensor to enhance the sensitivity and linearity. Finite element method (FEM) is adopted to optimize the sensor parameters, such as the resistor location and number of turns. An absolutely type pressure sensor with 150kPa full scale span (FSS) is built based on the optimal design programme as well as the bulkmicromachined process. For an 1150-μm-wide 30-μm-thick square-shape pressure sensor, experimental results show that the sensitivity of 2.3mV/V/10kPa, linearity error of 0.57% FSS and pressure hysteresis of 0.04% FSS are achieved. The well compatibility between the results of simulation and testing certifies the validitv of the ontimized scheme.

源语言英语
主期刊名3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2008
351-356
页数6
DOI
出版状态已出版 - 2008
活动3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2008 - Sanya, 中国
期限: 6 1月 20089 1月 2008

出版系列

姓名3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS

会议

会议3rd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2008
国家/地区中国
Sanya
时期6/01/089/01/08

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