New Generation of Digital Microfluidic Devices
Author(s)
Abedian, Behrouz; Berry, Shaun R.; Kedzierski, Jakub T.
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This paper reports on the design, fabrication, and performance of micro-sized fluidic devices that use electrowetting to control and transport liquids. Using standard microfabrication techniques, new pumping systems are developed with significantly more capability than open digital microfluidic systems that are often associated with electrowetting. This paper demonstrates that, by integrating closed microchannels with different channel heights and using electrowetting actuation, liquid interfaces can be controlled, and pressure work can be done, resulting in fluid pumping. The operation of two different on-chip pumps and devices that can form water drops is described. In addition, a theory is presented to explain the details of single-electrode actuation in a closed channel.
Date issued
2009-07Department
Lincoln LaboratoryJournal
Journal of Microelectromechanical Systems
Publisher
Institute of Electrical and Electronics Engineers
Citation
Kedzierski, J., S. Berry, and B. Abedian. “New Generation of Digital Microfluidic Devices.” Microelectromechanical Systems, Journal of 18.4 (2009): 845-851. ©2009 Institute of Electrical and Electronics Engineers.
Version: Final published version
Other identifiers
INSPEC Accession Number: 10802429
ISSN
1057-7157
Keywords
surface tension, micropumps, microfluidics, microchannels, electrowetting, electrocapillary, CYTOP, digital microfluidics