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Finite element analysis of MEMS square piezoresistive accelerometer designs with low crosstalk
Conference paper

Finite element analysis of MEMS square piezoresistive accelerometer designs with low crosstalk

Nikhil Bhalla, Sheng-Shian Li and Danny Wen-Yaw Chung
Proceedings of the International Semiconductor Conference, CAS, Vol.2, pp.353-356
2011

Abstract

The investigation in this paper involves Final Element Analysis (FEA) of piezoresistive accelerometer designs. Three different configurations of MEMS based accelerometer has been made and analysed using COMSOL Multiphysics. The designs presented in this paper consist of a square shaped proof mass with flexures supporting it. Different position and varied number of supporting flexures attached to the proof mass makes each configuration distinct. The piezoresistors are placed near the proof mass and frame ends on the flexure. In all three configurations the piezoresistors are placed and connected so as to minimize crosstalk. © 2011 IEEE.

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