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Analytical solutions of sensitivity for pressure microsensors

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2 Author(s)
Shih-Chin Gong ; Asia Pacific Microsystems Inc, Hsinchu, Taiwan ; Chengkuo Lee

Pressure microsensors are normally designed in linear operation range. In this study, analytical solutions are presented in order to offer a set of simple equations to designers and researchers to calculate and predict the sensitivity of pressure microsensors. The pressure sensitivity is proportional to the square of the ratio of diaphragm thickness to diaphragm length, but it is inversely proportional to burst pressure. We found that the analytical solutions are in good agreement with simulation by finite element method

Published in:

IEEE Sensors Journal  (Volume:1 ,  Issue: 4 )