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레이저 유도 전사를 이용한 유연기판의 액체금속 미세 패터닝

Micro-Patterning of Liquid Metal on Flexible Substrate Using Laser Induced-Forward Transfer

Journal of the Korean Society for Precision Engineering 2023;40(2):157-162.
Published online: February 1, 2023

1 한국기계연구원 나노공정장비연구실

2 충북대학교 기계공학부

3 과학기술연합대학원대학교 나노메카트로닉스학과

1 Department of Nano-Manufacturing Technology, Korea Institute of Machinery & Materials

2 School of Mechanical Engineering, Chungbuk National University

3 Department of Nano-Mechatronics, University of Science & Technology

#E-mail: paul@kimm.re.kr, TEL: +82-42-868-7134
• Received: August 3, 2022   • Revised: November 17, 2022   • Accepted: November 18, 2022

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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  • Study on Micro Grooving of Tungsten Carbide Using Disk Tool
    Min Ki Kim, Chan Young Yang, Dae Bo Sim, Ji Hyo Lee, Bo Hyun Kim
    Journal of the Korean Society for Precision Engineering.2024; 41(2): 123.     CrossRef

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Micro-Patterning of Liquid Metal on Flexible Substrate Using Laser Induced-Forward Transfer
J. Korean Soc. Precis. Eng.. 2023;40(2):157-162.   Published online February 1, 2023
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J. Korean Soc. Precis. Eng.. 2023;40(2):157-162.   Published online February 1, 2023
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Micro-Patterning of Liquid Metal on Flexible Substrate Using Laser Induced-Forward Transfer
Image Image Image Image Image Image Image
Fig. 1 Process diagrams of (a) Laser induced-forward transfer (LIFT) and (b) Laser induced-forward transfer with dynamic release layer (DRL-LIFT)
Fig. 2 The sample preparation procedure for lase induced-forward transfer with DRL
Fig. 3 Laser scanning system for LIFT process
Fig. 4 Optical images of liquid metal transfer results after single-shot laser exposure for various thickness of DRL (Au) and laser energy density
Fig. 5 (a) Single-shot LIFT results w/wo DRL and (b) Line patterning results by DRL-LIFT
Fig. 6 Liquid metal line and electrode patterning on polyimide (PI) substrate
Fig. 7 Liquid metal repair fabrication between gold electrodes
Micro-Patterning of Liquid Metal on Flexible Substrate Using Laser Induced-Forward Transfer