Rapid prototyping of microstructures with bell-shaped cross-sections and its application to deformation-based microfluidic valves

Nobuyuki Futai, Wei Gu, Shuichi Takayama

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A rapid prototyping method to fabricate microchannels with bell-shaped cross-sections was investigated using backside diffused-light exposure. It was found that these profiles could be used as compressive, deformation-based microfluidic valves. It was observed that the bell-shaped microchannels, when used as deformation-based microfluidic valves, showed improved self-sealing upon compression. It was also observed that the bell-shaped channels maximized the cross-sectional area within microfluidic channels without compromising the ability to completely close channels upon deformation.

Original languageEnglish
Pages (from-to)1320-1323
Number of pages4
JournalAdvanced Materials
Issue number15 SPEC. ISS.
Publication statusPublished - 2004 Aug 3


ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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