Electro-osmotic flow control in microchannels produced by scanning excimer laser ablation

Frank Wagner; Patrik W. Hoffmann

doi:10.1117/12.405726

6 November 2000 Electro-osmotic flow control in microchannels produced by scanning excimer laser ablation

Frank Wagner, Patrik W. Hoffmann

Proceedings Volume 4088, First International Symposium on Laser Precision Microfabrication; (2000) https://doi.org/10.1117/12.405726
Event: First International Symposium on Laser Precision Microfabrication (LPM2000), 2000, Omiya, Saitama, Japan

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.

Citation Download Citation

Frank Wagner and Patrik W. Hoffmann "Electro-osmotic flow control in microchannels produced by scanning excimer laser ablation", Proc. SPIE 4088, First International Symposium on Laser Precision Microfabrication, (6 November 2000); https://doi.org/10.1117/12.405726

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