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Fabrication and performance analysis of PMMA substrate diffuser/nozzle micro-pump by CNC milling machine

  • Tian Li
  • , Wang Wei
  • , Liu Xiaowei
  • , Zhang Ying
  • , Ji Shuyi
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A new low cost high performance PMMA micropump, developed for microfluidic system, is presented. According to the orifice flow theory, a diffuser/nozzle structure is fabricated with precision milling process, and packaged with the film-sealing at the condition of thermal bonding process. The size parameter of the diffuser/nozzle structure is 2.5mm *150μm, 8° conical angle, the volume of PMMA micropump is 14 × 14 × 2.5 mm 3. And experimental results show that the PMMA micropump can produce a maximum back pressure of 1906.1Pa and a maximum flow rate of 564μL/min under 220 V, 500Hz squired wave power supply.

Original languageEnglish
Title of host publicationMicro and Nano Technology - 1st International Conference Society of Micro/Nano Technology, CSMNT
Pages198-201
Number of pages4
StatePublished - 2009
Externally publishedYes
EventMicro and Nano Technology - 1st International Conference Society of Micro/Nano Technology, CSMNT - Beijing, China
Duration: 19 Nov 200822 Nov 2008

Publication series

NameAdvanced Materials Research
Volume60-61
ISSN (Print)1022-6680

Conference

ConferenceMicro and Nano Technology - 1st International Conference Society of Micro/Nano Technology, CSMNT
Country/TerritoryChina
CityBeijing
Period19/11/0822/11/08

Keywords

  • CNC milling
  • Diffuser/nozzle elements
  • Microfluidic system
  • PMMA micropump

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