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The optimized design of piezoelectric diaphragm and its application in micropump

  • Wei Wang*
  • , Xiao Wei Liu
  • , Wei Ping Chen
  • , Zhi Yong Bao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Piezoelectric actuator is one of the most development prospects in MEMS actuators. Based on AN-SYS, finite element method software, the assemble methods and structure parameters of piezoelectric diaphragm were designed and optimized. The optimized parameters for structures of PZT/Si and PZT/Cu were obtained and used in fabrication of the micopump with valve. The simulation of piezoelectric actuator effect of the micropump is in accord with the results of the test. The back pressure of the micropump is 836 Pa, and flux is 1.4 mL/min.

Original languageEnglish
Pages (from-to)153-155+158
JournalYadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume28
Issue number2
StatePublished - Apr 2006

Keywords

  • Diaphragm
  • MEMS actuator
  • Micropump
  • Piezoelectric actuator
  • Simulation

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