Multilayer Microfluidic Electrokinetic Device with Vertical Embedded Electrodes

Abstract:

In this paper, we fabricated a novel multilayer microfluidic device with vertical embedded electrodes. The device was composed of printed circuit board (PCB) substrate with vertical embedded electrodes, the polyimide insulating layer and the polymethyl methacrylate (PMMA) with micro structures. The vertical electrodes were made by metal wire and integrated on the PCB substrate, they can be replaced when fail or broken. In addition, we investigated the relationship between electrodes height and the electro-osmotic flow by using numerical simulation. The results show that, with the increase electrodes height inside the microchannel, the speed of electro-osmotic flow increased and concentration field distribution improved significantly.

• Periodical: Key Engineering Materials (Volumes 609-610)
• Pages: 593-599
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.609-610.593
• Online since: April 2014
• Authors: He Zhang*, Xiao Wei Liu, Li Tian, Xiao Wei Han, Shang Yu Liu
• Keywords: Composite Structure, Electro-Osmotic, Micro-Fluidics, Vertical Embedded Electrodes

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