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Design and fabrication of plane valveless micropumps

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A valveless micropump with the unilateral rectification characteristic was designed according to the diffuser/nozzle theory. The valveless micropump was fabricated by MEMS technology including anisotropic etching, supplementary angle and anodic bonding, with the size of 18 mm × 13 mm. The tests of the micropump show that max pump pressure and flow rate reach to 14.8 kPa and 5580 μL/min respectively, with the length, breadth and etching depth of diffuser/nozzle of 2.5 mm, 150 μm and 150 μm.

Original languageEnglish
Pages (from-to)936-939
Number of pages4
JournalHarbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology
Volume39
Issue number6
StatePublished - Jun 2007

Keywords

  • Diffuser
  • MEMS
  • Nozzle
  • Valveless micropump

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