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	Investigation of Stress Rupture Properties of Micro Beams using the Piezoresistive Effect
	Guan, Taotao ; Yang, Fang ; Wang, Wei ; Huang, Xian ; He, Jun ; Zhang, Li ; Fu, Fengshan ; Li, Rui ; Zhang, Dacheng
	2015
关键词	cross-beam structure stress rupture properties piezoresistive effect FEM mechanical testing
英文摘要	Beam structure is widely used for MEMS (Microelectromechanical Systems) design, the mechanical properties of beam structure are of great importance to guide the design of MEMS devices. Among the many properties, stress rupture properties are studied in this paper. The sensor based on piezoresistive effect with a specially designed cross-beam structure is proposed for stress rupture properties measurement. Finite element method (FEM) is applied to calculate the stress distribution on the beam based on the sensor output. It is found that the maximum tensile stress for the beam at the fracture moment is far less than silicon yield and fracture strength. Compared with other mechanical testing methods, the proposed method is much easier to be implemented and compatible with MEMS sensor production.; CPCI-S(ISTP); dchzhang@ime.pku.edu.cn; 537-540
语种	英语
出处	IEEE 10th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/450213]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Guan, Taotao,Yang, Fang,Wang, Wei,et al. Investigation of Stress Rupture Properties of Micro Beams using the Piezoresistive Effect. 2015-01-01.

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