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마이크로스텐실 리소그래피 기술의 현황

Review on Microstencil Lithography Technologies

Journal of the Korean Society for Precision Engineering 2018;35(11):1043-1054.
Published online: November 1, 2018

1 경북대학교 기계연구소

2 경북대학교 기계공학과

1 Institute of Mechanical Engineering Technology, Kyungpook National University

2 School of Mechanical Engineering, Kyungpook National University

#E-mail: gyuman.kim@knu.ac.kr, TEL: +82-53-950-7570
• Received: August 18, 2018   • Revised: September 27, 2018   • Accepted: October 4, 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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    R. Gayathri, S. Kar, M. Nagai, F.-G. Tseng, P.S. Mahapatra, T.S. Santra
    Materials Today Chemistry.2022; 26: 101021.     CrossRef

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Review on Microstencil Lithography Technologies
J. Korean Soc. Precis. Eng.. 2018;35(11):1043-1054.   Published online November 1, 2018
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Review on Microstencil Lithography Technologies
Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Process of stencil lithography1 (Adapted from Ref. 1 on the basis of open access)
Fig. 2 Shadowmask and evaporated surface after evaporation.of 100 nm thick Al layer1 (Adapted from Ref. 1 on the basis of open access)
Fig. 3 Classification according to materials’ properties of stencil. (a) Silicon nanostencil, (b) Metal microstencil, (c) PDMS microstencil
Fig. 4 Fabrication process of silicon nitride (SiN) stencil. (a) Deposition of 500-nm-thick low stress SiN. (b) Photolithography of pattern. (c) SiN etching on front side. (d) Photolithography and SiN etching on backside. (e) KOH etching of bulk Si from backside for 500-nm-thick SiN membrane releasing
Fig. 5 SEM image of a fabricated SiN nanostencil from the backside1 (Adapted from Ref. 1 on the basis of open access)
Fig. 6 SEM image of size tuning of apertures on nanostencil by additional deposition
Fig. 7 (a) Fabrication of PDMS microstencil using microfluidic replication; (b) Fabrication of PDMS microstencil using pressure-assisted replication.; (c) Fabrication of PDMS microstencil using gas-blowing replication
Fig. 8 Fabrication process of PDMS microwell plate and image (a) Machining of acryl mold for compartment, (b) Insertion of PDMS microstencil and PDMS casting, (c) Microwell plate
Fig. 9 Air-knife automation system and SEM image of PDMS microstencil
Fig. 10 Schematic illustration of the roll-to-roll equipment for the fabrication of microstencil 43 (Adapted from Ref. 43 on the basis of open access)
Fig. 11 Fabrication of hydrogel microstencil using capillary action
Fig. 12 Bio application : Micropatterned cell culture using PDMS microstencil. (a) and (b) Micropatterned culture of NSCs, (c) Fluorescence image of cortical neurons, (d) Florescence image of NSCs
Fig. 13 Display application : (a) Aluminum patterns on non-planar surface (Adapted from Ref. 33 with permission), (b) Wearable sensors (Adapted from Ref. 60 on the basis of open access)
Review on Microstencil Lithography Technologies