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실리콘 이방성 습식 에칭과 자가정렬을 이용한 평행사변형 단면을 가지는 마이크로채널 제작

Fabrication of Microchannel with Parallelogram Cross-Section Using Si Anisotropic Wet Etching and Self-Alignment

Journal of the Korean Society for Precision Engineering 2019;36(3):287-291.
Published online: March 1, 2019

1 서울과학기술대학교 기계시스템디자인공학과

2 서울과학기술대학교 NID대학원

1 Department of Mechanical System Design Engineering, Seoul National University of Science and Technology

2 Graduate School of NID Fusion Technology, Seoul National University of Science and Technology

#E-mail: yhcho@seoultech.ac.kr, TEL: +82-2-970-6361
• Received: August 9, 2018   • Revised: October 17, 2018   • Accepted: October 18, 2018

Copyright © The Korean Society for Precision Engineering

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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Citations

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    Journal of the Korean Society for Precision Engineering.2022; 39(10): 725.     CrossRef
  • Experimental Study on Heat Transfer Performance of Microchannel Applied with Manifold
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    Journal of the Korean Society for Precision Engineering.2022; 39(12): 923.     CrossRef
  • High-Aspect-Ratio Microfluidic Channel with Parallelogram Cross-Section for Monodisperse Droplet Generation
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    Biosensors.2022; 12(2): 118.     CrossRef
  • Fabrication of microfluidic channels with various cross-sectional shapes using anisotropic etching of Si and self-alignment
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    Applied Physics A.2019;[Epub]     CrossRef

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Fabrication of Microchannel with Parallelogram Cross-Section Using Si Anisotropic Wet Etching and Self-Alignment
J. Korean Soc. Precis. Eng.. 2019;36(3):287-291.   Published online March 1, 2019
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Fabrication of Microchannel with Parallelogram Cross-Section Using Si Anisotropic Wet Etching and Self-Alignment
J. Korean Soc. Precis. Eng.. 2019;36(3):287-291.   Published online March 1, 2019
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Fabrication of Microchannel with Parallelogram Cross-Section Using Si Anisotropic Wet Etching and Self-Alignment
Image Image Image Image Image Image
Fig. 1 Schematic view of (a) Patterned design of Si channel and PDMS master on Si wafer, (b) Rectangle microchannel which is generally fabricated with PDMS and Si wafer, (c) Novel parallelogram microchannel which is fabricated using anisotropic wet etching and self-alignment
Fig. 2 Fabrication processes of microchannel with parallelogram cross-section
Fig. 3 Microscopic images of (a) Si microchannel and Si master for PDMS mold, (b) PDMS mold from Si master
Fig. 4 SEM images of microchannel with parallelogram cross-section (a), (b) for good self-alignment, (c), (d) for misalignment
Fig. 5 SEM images of microchannel with various cross-section shapes, (a) rhombus, (b) low aspect ratio wide parallelogram, (c) high aspect ratio parallelogram
Fig. 6 Fluorescent microscopic images of fluorescent beads in microchannel according to the flow rate, (a) 50 μl/min, (b) 350 μl/min. Inset shows the asymmetric equilibrium positions of microparticles in microchannel
Fabrication of Microchannel with Parallelogram Cross-Section Using Si Anisotropic Wet Etching and Self-Alignment