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Vol. 36, No. 1
January, 2019
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한국정밀공학회지. 2018  35(1): 111-115     http://doi.org/10.7736/KSPE.2018.35.1.111
ⓒ Journal of the Korean Society for Precision Engineering
에어나이프 시스템을 이용한 3차원 복합 형상 PDMS 마이크로스텐실제작 및 세포배양 응용
최진호1, 진희경2, 배재성3, 김규만4
1구미대학교 기계공학과, 2경북대학교 수의과대학 실험동물학교실, 3경북대학교 의학전문대학원 생리학교실, 4경북대학교 기계공학부
Fabrication of Three-Dimensional Complex Shape PDMS Microstencil Using Air-Knife System and their Cell Culture Application
Jin Ho Choi1, Hee Kyung Jin2, Jae-Sung Bae3, Gyu Man Kim4
1Department of Mechanical Engineering, Gumi University, 2Department of Laboratory Animal Medicine, Kyungpook National University, 3Department of Physiology, School of Medicine, Kyungpook National University, 4School of Mechanical Engineering, Kyungpook National University

In this study, we propose a fabrication method of three-dimensional complex shape polydimethylsiloxane microstencils. Three-dimensional complex shape polydimethylsiloxane (PDMS) microstencils were fabricated by an air-knife system and PDMS casting form preparing master mold by photolithography, diffuser lithography and polyurethane acrylate (PUA) replication. PDMS microstencils shape was a production of the hemispherical and quadrangular pyramid. When the prepolymer of PDMS was spin-coated onto the three-dimensional complex shape master mold, a thin layer of prepolymer remained on top of the master's structure and consequently prevented formation of perforated patterns. This residual layer was easily removed by the air-knife. The air-knife system was controlled by the flow rate of N2 gas and conveying speed of the master mold. Results revealed the fabricated three-dimensional complex shape PDMS microstencils, could be useful for application of three-dimensional cell culture device.
Key words : Air-knife system (에어나이프 시스템), PDMS microstencil (PDMS 마이크로스텐실), Three-dimensional complex shape (3차원 복합 형상)
중심단어 : 
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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