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A Method to Evaluate the Influence of Different Substrate on Stress Mismatch Induced Deformation in MEMS Accelerometer
You, Jun ; Tian, Dayu ; He, Chunhua ; Zhao, Qiancheng ; Yang, Zhenchuan ; Zhang, Dacheng ; Yan, Guizhen
2015
关键词thermal reliability temperature drift deformation capacitance variation packaging structural design
英文摘要This paper presents a method to evaluate the influence of stress mismatch between sensor structure and different die-attachment on the thermal stability of accelerometers. The local deformation of MEMS accelerometers under different thermal load and differential die-attachment conditions are investigated. White light interferometer and a home-made heating stage are used to carry out the measurement. Capacitance variations of differential capacitors can be calculated based on the data of the local deformation of MEMS accelerometers. Both the visual evidences and calculated capacitance variations in this work can give clear guidance to optimize both the structural design and packaging conditions.; CPCI-S(ISTP); zqc@pku.edu.cn; 421-425
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/20.500.11897/450207]  
专题信息科学技术学院
推荐引用方式
GB/T 7714
You, Jun,Tian, Dayu,He, Chunhua,et al. A Method to Evaluate the Influence of Different Substrate on Stress Mismatch Induced Deformation in MEMS Accelerometer. 2015-01-01.
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