Digitally controllable large-scale integrated microfluidic systems

Raymond H.W. Lam*, Kin Fong Lei, Josh H.M. Lam, Wen J. Li

*Corresponding author for this work

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

4 Scopus citations

Abstract

Active microfluidic mixers, micro vortex pumping devices, tesla microvalves, and microchannels were successfully fabricated using a single polymer based micromolding process. These individual microfluidic devices were then integrated to perform precise fluid delivery, cutting, and mixing. Continuous and discretized pumping of fluids in microchannels can be achieved by the vortex micropumps that use rotating impellers. The fluid mixing is based on the vertical mechanical vibration of membranes driven by PZT actuator. Tesla microvalves were built to eliminate the backward flow by increasing the unidirectional back pressure. Experiments were conducted to investigate the performance of the mixing, pumping, and valving systems. The large-scale integration of microfluidic components using our micropump, microvalve and micromixer is also described in this paper.

Original languageEnglish
Title of host publicationProceedings - 2004 IEEE International Conference on Robotics and Biomimetics, IEEE ROBIO 2004
Pages301-306
Number of pages6
StatePublished - 2004
Externally publishedYes
EventProceedings - 2004 IEEE International Conference on Robotics and Biomimetics, IEEE ROBIO 2004 - Shenyang, China
Duration: 22 08 200426 08 2004

Publication series

NameProceedings - 2004 IEEE International Conference on Robotics and Biomimetics, IEEE ROBIO 2004

Conference

ConferenceProceedings - 2004 IEEE International Conference on Robotics and Biomimetics, IEEE ROBIO 2004
Country/TerritoryChina
CityShenyang
Period22/08/0426/08/04

Keywords

  • Microfluidic large-scale integration
  • Microfluidic system
  • Micromixer
  • Micropump
  • Microvalve

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