Polymer embossing tools for rapid prototyping of plastic microfluidic devices

  title={Polymer embossing tools for rapid prototyping of plastic microfluidic devices},
  author={Jagannathan Narasimhan and Ian Papautsky},
In this paper, we describe a simple and rapid method of fabricating hot embossing tools using polydimethylsiloxane (PDMS), which are then used to rapidly fabricate microchannels in polymethylmethacrylate (PMMA). A negative photoepoxy SU-8 or thick positive photoresist AZ4620 on silicon was used for molding during PDMS casting. Fabrication time of these PDMS tools was considerably less than those using conventional techniques and remains the same regardless of the aspect ratio of features. The… CONTINUE READING


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