Finite Element Method-based Design and Simulations of Micro-cantilever Platform for Chemical and Bio-sensing Applications
Keywords: Label-free, bio-sensing, bulk micromachining, micro-cantilever, piezoresistor
AbstractMicro-electro-mechanical systems (MEMS)-based cantilever platform have capability for the detection of chemical and biological agents. This paper reports about the finite element method (FEM) based design and simulations of MEMS-based piezoresistor cantilever platform to be used for detection of chemical and biological toxic agents. Bulk micromachining technique is adopted for the realisation of the device structure. MEMS piezoresistive biosensing platforms are having potential for a field-based label-free detection of various types of bio-molecules. Using the MEMMECH module of CoventorWare® simulations are performed on the designed model of the device and it is observed that principal stress is maximum along the length (among other dimensions of the micro-cantilever) and remains almost constant for 90 per cent of the length of the micro-cantilever. The dimensions of piezoresistor are optimised and the output voltage vs. stress analysis for various lengths of the piezoresistor is performed using the MEMPZR module of the CoventorWare®.
How to Cite
Agarwal, R., Mukhiya, R., Sharma, R., Sharma, M., & Goel, A. (2016). Finite Element Method-based Design and Simulations of Micro-cantilever Platform for Chemical and Bio-sensing Applications. Defence Science Journal, 66(5), 485-488. https://doi.org/10.14429/dsj.66.10702
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