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Microfluidic Device Fabrication Method Using Direct Thick Film Writing

[+] Author Affiliations
William J. Grande, Gary A. Fino

Ohmcraft, Inc., Honeoye Falls, NY

Paper No. ICMM2005-75059, pp. 397-402; 6 pages
doi:10.1115/ICMM2005-75059
From:
  • ASME 3rd International Conference on Microchannels and Minichannels
  • ASME 3rd International Conference on Microchannels and Minichannels, Part B cont’d
  • Toronto, Ontario, Canada, June 13–15, 2005
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4185-5 | eISBN: 0-7918-3758-0
  • Copyright © 2005 by ASME

abstract

A novel technique based on direct thick film writing has been developed for the rapid prototyping of microfluidic devices. The direct writing process is based on pressure driven dispensing of precursor materials through a micro-capillary tip. The process exhibits wide latitude in both the materials that can be patterned and the substrate formats and shapes that can be accommodated. A fabrication process flow sequence with general applicability to microfluidic devices was developed and its efficacy was demonstrated by the construction of two-input mixer devices. Integration of fluidic components with electrical circuitry was also demonstrated.

Copyright © 2005 by ASME

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