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Issue 11, 2009
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Plastic masters—rigid templates for soft lithography

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Abstract

We demonstrate a simple process for the fabrication of rigid plastic master molds for soft lithography directly from (poly)dimethysiloxane devices. Plastics masters (PMs) provide a cost-effective alternative to silicon-based masters and can be easily replicated without the need for cleanroom facilities. We have successfully demonstrated the use of plastics micromolding to generate both single and dual-layer plastic structures, and have characterized the fidelity of the molding process. Using the PM fabrication technique, world-to-chip connections can be integrated directly into the master enabling devices with robust, well-aligned fluidic ports directly after molding. PMs provide an easy technique for the fabrication of microfluidic devices and a simple route for the scaling-up of fabrication of robust masters for soft lithography.

Graphical abstract: Plastic masters—rigid templates for soft lithography

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Article information


Submitted
09 Dec 2008
Accepted
04 Feb 2009
First published
05 Mar 2009

Lab Chip, 2009,9, 1631-1637
Article type
Technical Note

Plastic masters—rigid templates for soft lithography

S. P. Desai, D. M. Freeman and J. Voldman, Lab Chip, 2009, 9, 1631
DOI: 10.1039/B822081F

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