In this paper, diaphragm deflection and output voltage obtained by applying a series of pressure loads to a silicon piezoresistive micro-diaphragm with built-in edges are presented. A silicon pressure sensor with diaphragm of 1 mm in length and 10 mm in thickness is modelled. Finite Element Analysis results are compare with other experimental and numerical results. A series of simulation on sensor with diaphragm of 3.4-mm in length and various thicknesses, meshing densities and resistor lengths is performed. Discussion of results are based upon (1) effect of different resistor lengths on output voltage and sensitivity and (2) effect of different diaphragm thicknesses on output are presented.
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