Microfluidic flow
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Experiments to Control the Surface-Driven Microfluidic Flow of Dyed Water in Straight PMMA Microchannels Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: Total six individual straight microchannels are fabricated by maskless lithography, hot embossing lithography and direct bonding technique using author’s own hands-on completely inside the cleanroom laboratory. Polymethylmethacrylate (PMMA) is the selected polymeric material to fabricate these straight microchannels. Dyed water is prepared as working liquid to record and study the microfluidic flow characteristics inside these fabricated microchannels. Air dielectric barrier discharge (DBD) plasma processing is the surface modification technique in …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 7, Issue 1, 2020 · pp. 17–23 Read article
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Microfluidic Flow of the Dyed Aqueous Isopropyl Alcohol in a single SU-8 based Glass Microfluidic Device Fabricated inside the Cleanroom Laboratory
Abstract: A single SU-8 based glass microfluidic device is fabricated by maskless lithography and indirect bonding technique, using author’s own hands-on completely inside the cleanroom laboratory. Dyed aqueous isopropyl alcohol (90% dyed water, 10% isopropyl alcohol) is the prepared working liquid in this work. The surface-driven microfluidic flow of working liquid is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. The …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 1, 2019 · pp. 10–13 Read article
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Short Review on Maskless Lithography in Microfluidics
Abstract: Maskless lithography is a part of the overall microfabrication technique to fabricate the polymer based microfluidic devices. Polymer based microfluidic devices are fabricated using the polymethylmethacrylate (PMMA) and SU-8 as two commonly used polymers. PMMA microfluidic devices are fabricated by the maskless lithography, hot embossing lithography and direct bonding technique. SU-8 based glass microfluidic devices are fabricated by the maskless lithography, and indirect bonding technique. Therefore, maskless lithography is proved …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 1, 2019 · pp. 32–34 Read article