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Micromachines 2017, 8(6), 179;

Fabrication of Functional Plastic Parts Using Nanostructured Steel Mold Inserts

Centre Suisse d’électronique et de Microtechnique CSEM, 1 rue Jaquet-Droz, CH-2002 Neuchatel, Switzerland
Centre Technique Industriel de la Plasturgie et des Composites-IPC, 2 rue Pierre et Marie Curie, 01100 Bellignat, France
Micropat SA, 30 Côtes-de-Montbenon, CH-1003 Lausanne, Switzerland
Vuillermoz SAS, 5 rue du Tomachon, 39200 Saint-Claude, France
Author to whom correspondence should be addressed.
Academic Editors: Hans Nørgaard Hansen, Guido Tosello, Andreas Richter and Nam-Trung Nguyen
Received: 6 April 2017 / Revised: 15 May 2017 / Accepted: 25 May 2017 / Published: 6 June 2017
(This article belongs to the Special Issue Micro/Nano Manufacturing)
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We report on the fabrication of sub-micro and nanostructured steel mold inserts for the replication of nanostructured immunoassay biochips. Planar and microstructured stainless steel inserts were textured at the sub-micron and nanoscale by combining nanosphere lithography and electrochemical etching. This allowed the fabrication of structures with lateral dimensions of hundreds of nanometers and aspect ratios of up to 1:2. Nanostructured plastic parts were produced by means of hot embossing and injection molding. Surface nanostructuring was used to control wettability and increase the sensitivity of an immunoassay. View Full-Text
Keywords: nanostructures; hot embossing; injection molding; polymer; 3D; steel; mold; wettability; immunoassay nanostructures; hot embossing; injection molding; polymer; 3D; steel; mold; wettability; immunoassay

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Blondiaux, N.; Pugin, R.; Andreatta, G.; Tenchine, L.; Dessors, S.; Chauvy, P.-F.; Diserens, M.; Vuillermoz, P. Fabrication of Functional Plastic Parts Using Nanostructured Steel Mold Inserts. Micromachines 2017, 8, 179.

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