Abstract
A novel design of piezoresistive, low-pressure sensors is presented. This design exhibits a number of advantages compared to the conventional. The main objective of this development was realizing a sensor with high sensitivity, high pressure overload, and low nonlinearity. This paper describes the theory for the design of the 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 plus minus 10 kPa could be realized, exhibiting excellent sensitivity and low nonlinearity of 35 mV/V F. S. O. and 0,05 % respectively.
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