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Review on Optical Aspects in the Fabrication of Polymer Microfluidic Devices and in the Recording of Surface-Driven Capillary Flow

Subhadeep Mukhopadhyay

Abstract


Author has fabricated the SU-8 based glass microfluidic devices by the maskless lithography and indirect bonding technique. Also, author has fabricated the polymethylmethacrylate (PMMA) microfluidic devices by the maskless lithography, hot embossing lithography, and direct bonding technique. Glass and PMMA are the optically transparent materials facilitating the recording of surface-driven capillary flow of any working liquid inside the microfluidic devices. Also, the principle of optical interference is applied to detect the level of direct bonding in the PMMA microfluidic devices. This review will be helpful to fabricate the polymer based microfluidic devices and microfluidic lab-on-a-chip systems using the techniques of microfabrication for different engineering applications.

Keywords: Microfluidic Flow, PMMA, SU-8, Glass, Interference, Transparent, Direct bonding, CMOS camera

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References


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