Computation of capacitance for MEMS comb-drive structures

Ming Hui Li*, Shi Qiao Gao, Hai Peng Liu, Xin Jian Liang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

According to the characteristics of comb-drive structures, the electrical potential field is analyzed; the model based on corner capacitor is presented and solved with the capacitance characteristic formula of nonlinear capacitor. Compared with the results of finite element method simulation, the model based on corner capacitor is more accurate than the models based on infinite parallel plate capacitor and parallel plate capacitor with edge effects.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Beijing Institute of Technology (English Edition)
Volume18
Issue number1
Publication statusPublished - Mar 2009

Keywords

  • Comb-drive
  • Corner capacitor
  • Edge effect

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