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Proceedings Paper

Electro-osmotic flow control in microchannels produced by scanning excimer laser ablation
Author(s): Frank Wagner; Patrik W. Hoffmann
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Paper Abstract

Excimer laser ablation of a scanned substrate can be used for prototyping of lab-on-a-chip microfluidic channels [1]. Here, the relationship between the wetting properties of the channels and the irradiation conditions is described. The wetting properties are quantified by electro-osmotic flow measurements in channels, produced with different conditions of scanning ablation. The observed variations can be explained in terms of a competition between a direct and an indirect redeposition pathway for the debris.

Paper Details

Date Published: 6 November 2000
PDF: 4 pages
Proc. SPIE 4088, First International Symposium on Laser Precision Microfabrication, (6 November 2000); doi: 10.1117/12.405726
Show Author Affiliations
Frank Wagner, Swiss Federal Institute of Technology/Lausanne (Switzerland)
Patrik W. Hoffmann, Swiss Federal Institute of Technology/Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 4088:
First International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Koji Sugioka; Thomas W. Sigmon, Editor(s)

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