This paper describes the design and fabrication of a piezoresistive high-pressure rectangular sensor which will be used in the petrochemical industry field. The stress distribution of the piezoresistance on the membrane was analyzed by the Finite Element Method through the ANSYS software. The piezoresistance was fabricated on SOI wafers by the MEMS bulk-micromachining technology and the silicon substrate was bonded with the Pyrex 7740# glass by the anodic bonding technology. The linearity, sensitivity, repeatability and accuracy of the fabricated result were 0.3%, 1.109mV/MPa, 0.41% and 0.57%, respectively. This type of microstructure sensor has advantages of high sensitivity, linearity and accuracy. Meanwhile, the sensor has a wide measurement range because of the rectangular membrane. The piezorsistive high pressure rectangular diaphragm sensor offers several advantages such as, high sensitivity, linearity and accuracy, and additionally, the wide measurement range of the sensor will guarantee its great applications in the petrochemical industry fields.
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ASME/ISCIE 2012 International Symposium on Flexible Automation
June 18–20, 2012
St. Louis, Missouri, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4511-0
PROCEEDINGS PAPER
The Design and Implementation of High Pressure Rectangular Diaphragm Sensor Based on MEMS Technology
Yulong Zhao,
Yulong Zhao
Xi'an Jiaotong University, Xi'an, China
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Bian Tian
Bian Tian
Xi'an Jiaotong University, Xi'an, China
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Zhe Niu
Xi'an Jiaotong University, Xi'an, China
Yulong Zhao
Xi'an Jiaotong University, Xi'an, China
Bian Tian
Xi'an Jiaotong University, Xi'an, China
Paper No:
ISFA2012-7132, pp. 191-198; 8 pages
Published Online:
July 23, 2013
Citation
Niu, Z, Zhao, Y, & Tian, B. "The Design and Implementation of High Pressure Rectangular Diaphragm Sensor Based on MEMS Technology." Proceedings of the ASME/ISCIE 2012 International Symposium on Flexible Automation. ASME/ISCIE 2012 International Symposium on Flexible Automation. St. Louis, Missouri, USA. June 18–20, 2012. pp. 191-198. ASME. https://doi.org/10.1115/ISFA2012-7132
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