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(한국생산기술연구원) (한국생산기술연구원) (한국생산기술연구원) (부산대학교)
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한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제21권 제10호
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    초록·키워드

    Microfluidic chips have been used as multipurpose devices in physical, chemical, and biological engineering. Herein, we manufactured microfluidic chips based on a compensation design using a material extrusion additive manufacturing (ME-AM) process and polymethyl methacrylate (PMMA). Because the as-printed single-layer window plate is not transparent, it was post-processed using the thermo-compression technique, thereby enhancing the transparency. A set of parameter studies for the compensation design of a microfluidic channel was conducted using 3D models with different geometries of the channel gap distance. According to the experimental results, the channel gap distances of the ME-manufactured parts were designed and fabricated at approximately 72-80% size of CAD geometry. In addition, the channel gap distance could be finely tuned by controlling the nozzle speed. Finally, the feasibility of the suggested fabrication method for microfluidic applications was demonstrated by a simple liquid flow test with the as-fabricated transparent PMMA chip.

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      UCI(KEPA) : I410-ECN-0101-2023-581-000131513