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Focused Infrared Light를 이용한 롤투롤 핫엠보싱

Focused-Infrared-Light Assisted Roll-to-Roll Hot Embossing

Journal of the Korean Society for Precision Engineering 2017;34(3):199-203.
Published online: March 1, 2017

1 한국기계연구원 인쇄전자연구실

2 아주대학교 기계공학과

1 Department of Printed Electronics, Korea Institute of Machinery and Materials

2 Department of Mechanical Engineering, Ajou University

#E-mail: ymanchoi@ajou.ac.kr, TEL: +82-31-219-2342, FAX: +82-31-219-1611
• Received: October 10, 2016   • Revised: December 22, 2016   • Accepted: January 2, 2017

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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Focused-Infrared-Light Assisted Roll-to-Roll Hot Embossing
J. Korean Soc. Precis. Eng.. 2017;34(3):199-203.   Published online March 1, 2017
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Focused-Infrared-Light Assisted Roll-to-Roll Hot Embossing
J. Korean Soc. Precis. Eng.. 2017;34(3):199-203.   Published online March 1, 2017
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Focused-Infrared-Light Assisted Roll-to-Roll Hot Embossing
Image Image Image Image Image Image Image Image
Fig. 1 Schematic diagram of the roll-to-roll hot embossing system using a focused infrared light
Fig. 2 Light absorbance of plastic films
Fig. 3 Heating trends of MIR and NIR heater
Fig. 4 Experimental setup for measurement of preheated temperature and level of deformation: (a) Photograph of the setup, (b) Schematic diagram for measurement
Fig. 5 Preheated temperature and deformation of the substrate, PET A for infrared power of (a) 60%, (b) 80%, (c) 100%
Fig. 6 Preheated temperature and deformation of the substrate, PET B for infrared power of (a) 60%, (b) 80%, (c) 100%
Fig. 7 Experimental setup for hot embossing: (a) Hot embossing system, (b) Mask pattern
Fig. 8 Embossed patterns: (a) Microscope image, (b) Confocal image in case of no preheating (Roll temperature 100°C), (c) Microscope image, (d) Confocal image in case of FIR preheating (100% power, 15 mm/s speed)
Focused-Infrared-Light Assisted Roll-to-Roll Hot Embossing
Power
(%)
Roll speed
(mm/s)
Pattern depth (μm) Damage
Roll temp. (°C)
20 40 60
0 15 2.38 (Roll 100°C) X
60 5 0.23 0.73 1.20 X
80 5 0.38 0.81 2.41 O
80 10 0.42 0.82 1.08 X
100 10 0.26 1.21 1.92 O
100 15 0.43 1.14 1.69 X
Table 1 Pattern depth according to infrared lamp power and speed (PET A)