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Issue 1, 2015
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Ultra-rapid prototyping of flexible, multi-layered microfluidic devices via razor writing

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Abstract

The fabrication of microfluidic devices is often still a time-consuming and costly process. Here we introduce a very simple and cheap microfabrication process based on “razor writing”, also termed xurography, for the ultra-rapid prototyping of microfluidic devices. Thin poly(dimethylsiloxane) (PDMS) membranes are spin-coated on flexible plastic foil and cut into user-defined shapes with a bench-top cutter plotter. The PDMS membranes can then be assembled into desirable microdevices via plasma bonding. The plastic foil allows manipulation of exceptionally thin (30–300 μm) PDMS layers and can be readily peeled after fabrication. This versatile technique can be used to produce a wide variety of microfluidic device prototypes within just a few hours.

Graphical abstract: Ultra-rapid prototyping of flexible, multi-layered microfluidic devices via razor writing

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Article information


Submitted
19 Jul 2014
Accepted
06 Oct 2014
First published
06 Oct 2014

Lab Chip, 2015,15, 72-76
Article type
Technical Innovation
Author version available

Ultra-rapid prototyping of flexible, multi-layered microfluidic devices via razor writing

S. Cosson, L. G. Aeberli, N. Brandenberg and M. P. Lutolf, Lab Chip, 2015, 15, 72
DOI: 10.1039/C4LC00848K

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