Abstract
A novel design of piezoresistive, low-pressure sensors is presented. This design exhibits a number of advantages compared to conventional ones. The main objective of this development was realizing a sensor with high sensitivity, high pressure overload. and low non-linearity. This paper describes the theory of designing a piezoresistive low-pressure sensor. Through the application of a square diaphragm bossed in the center, a piezoresistive low-pressure sensor for the pressure range of ±10 kPa could be realized, exhibiting excellent sensitivity and low non-linearity of 35 mV/VF.S.O. and <|±0.05|%, respectively.
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