Novel actuation of an integrated peristaltic micropump
Husband, B., Bu, M., Apostolopoulos, V., Melvin, T. and Evans, A.G.R. (2004) Novel actuation of an integrated peristaltic micropump. Microelectronic Engineering, 73-74, 858-863. (doi:10.1016/j.mee.2004.03.065).
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The design and production of sequencing and driver circuits to operate a peristaltic silicon micro pump integrated within a lab-on-a-chip are described. The micropump consists of three serial elements composed of piezoelectric discs glued to a 200 μm glass diaphragm, which upon actuation rise from connecting channels. Sequential actuation of the elements within the micropump in the desired fashion has been shown to pump a one microlitre droplet of water back and forth in a controlled way through the reaction chambers in the lab-on-a-chip. Two electrical circuits have been created and tested and are presented here. The relationship of the relative deflection of the three piezoelectric disks glued to a 200 μm glass diaphragm versus applied voltage has been evaluated using a Michelson interferometer. The novel actuation method developed here has successfully operated the pump and the interferometric method can now be used to optimize the pump.
|Keywords:||micropump, peristaltic, michelson interferometer, BioMEMS, μTAS, micro-fluidics|
|Subjects:||Q Science > QB Astronomy
Q Science > QD Chemistry
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Electronics and Computer Science > Nano-Scale Integration Group
University Structure - Pre August 2011 > Optoelectronics Research Centre
University Structure - Pre August 2011 > School of Physics and Astronomy
University Structure - Pre August 2011 > School of Electronics and Computer Science > Microelectronics Industrial Unit
|Date Deposited:||13 Aug 2008|
|Last Modified:||18 Aug 2012 02:51|
|Contributors:||Husband, B. (Author)
Bu, M. (Author)
Apostolopoulos, V. (Author)
Melvin, T. (Author)
Evans, A.G.R. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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