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Microfluidic Manifolds with High Dynamic Range in Structural Dimensions Replicated in Thermoplastic Materials

Published online by Cambridge University Press:  31 January 2011

Holger Becker,
Erik Beckert and
Claudia Gärtner
Holger Becker
Affiliation:
hb@microfluidic-chipshop.com, microfluidic ChipShop GmbH, Carl-Zeiss-Promenade 10, Jena, 07745, Germany
Erik Beckert
Affiliation:
erik.beckert@iof.fraunhofer.de, Fraunhofer Institut für Angewandte Optik und Feinmechanik, Jena, Germany
Claudia Gärtner
Affiliation:
claudia.gaertner@microfluidic-chipshop.com, microfluidic ChipShop GmbH, Jena, Germany
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Abstract

In this paper, we present the manufacturing process of a polymer microfluidic device which is currently being used to investigate wetting properties of nanostructured microchannels replicated in hydrophobic thermoplastic materials like cyclo-olefin co-polymer (COC), polypropylene (PP) or polymethylmetacrylate (PMMA). These devices feature large structural dynamics (feature sizes between 200 μm and 200 nm). The mold insert necessary was fabricated using a combination of precision machining with single-point diamond turning (SPDT).

Keywords

microelectro-mechanical (MEMS)nanostructurefluidics

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