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Study on a MEMS fatigue testing device based on the resonance principle

  • Lei Ding*
  • , Deguang Shang
  • , Dacheng Zhang
  • , Tong Shen
  • , Guanhua Jia
  • , Chuliang Yan
  • *Corresponding author for this work
  • Beijing University of Technology
  • Peking University

Research output: Contribution to journalArticlepeer-review

Abstract

A novel MEMS(micro-electro-mechanical system) fatigue testing device based on the electrostatic force by comb driver is proposed, which can be fabricated by means of the typical surface micromachining technology. The capacitance and the electrostatic force are analyzed theoretically for the proposed arc-shaped comb driver. The vibrating process of device is simulated utilizing the electromechanical coupled-field element by ANSYS. The simulation results show a good correction with the theoretical prediction. The results indicated that the stress of sample can achieve the required level for MEMS fatigue testing under AC voltage. In addition, the range of the used AC voltage is also evaluated.

Original languageEnglish
Pages (from-to)684-689
Number of pages6
JournalJixie Qiangdu/Journal of Mechanical Strength
Volume28
Issue number5
StatePublished - Oct 2006
Externally publishedYes

Keywords

  • Comb driver
  • Electromechanical coupled-field analysis
  • Fatigue
  • Finite element method
  • Micro-electro-mechanical system(MEMS)

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