scholarly journals Fast sintering of silver nanoparticle and flake layers by infrared module assistance in large area roll-to-roll gravure printing system

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Janghoon Park ◽  
Hyi Jae Kang ◽  
Kee-Hyun Shin ◽  
Hyunkyoo Kang
Keyword(s):  
Silver Nanoparticle ◽  
Gravure Printing ◽  
Large Area ◽  
Roll To Roll ◽  
Printing System

Large-area perovskite nanowire arrays fabricated by large-scale roll-to-roll micro-gravure printing and doctor blading

Nanoscale ◽  
2016 ◽  
Vol 8 (9) ◽  
pp. 5350-5357 ◽  
Author(s):  
Qiao Hu ◽  
Han Wu ◽  
Jia Sun ◽  
Donghang Yan ◽  
Yongli Gao ◽  
...  
Keyword(s):  
Large Scale ◽  
Nanowire Arrays ◽  
Gravure Printing ◽  
Large Area ◽  
Roll To Roll

Highly stable flex sensors fabricated through mass production roll-to-roll micro-gravure printing system

2015 ◽  
Vol 236 ◽  
pp. 73-81 ◽  
Author(s):  
Memoon Sajid ◽  
Hyun Woo Dang ◽  
Kyoung-Hoan Na ◽  
Kyung Hyun Choi
Keyword(s):  
Mass Production ◽  
Gravure Printing ◽  
Roll To Roll ◽  
Printing System ◽  
Flex Sensors

An Investigation onto Polydimethylsiloxane (PDMS) Printing Plate of Multiple Functional Solid Line by Flexographic

2013 ◽  
Vol 844 ◽  
pp. 158-161 ◽  
Author(s):  
M.I. Maksud ◽  
Mohd Sallehuddin Yusof ◽  
M. Mahadi Abdul Jamil
Keyword(s):  
Laser Ablation ◽  
Line Width ◽  
High Speed ◽  
Printed Electronics ◽  
Low Cost ◽  
Flexible Substrates ◽  
Large Area ◽  
Printing Plate ◽  
Roll To Roll ◽  
Printing Processes

Recently low cost production is vital to produce printed electronics by roll to roll manufacturing printing process like a flexographic. Flexographic has a high speed technique which commonly used for printing onto large area flexible substrates. However, the minimum feature sizes achieved with roll to roll printing processes, such as flexographic is in the range of fifty microns. The main contribution of this limitation is photopolymer flexographic plate unable to be produced finer micron range due to film that made by Laser Ablation Mask (LAMs) technology not sufficiently robust and consequently at micron ranges line will not be formed on the printing plate. Hence, polydimethylsiloxane (PDMS) is used instead of photopolymer. Printing trial had been conducted and multiple solid lines successfully printed for below fifty microns line width with no interference between two adjacent lines of the printed images.

scholarly journals Development of Continuous Roll-to-Roll Screen Printing System Using a Flat Screen

2016 ◽  
Vol 25 (3) ◽  
pp. 217-223 ◽  
Author(s):  
Ga Eul Kim ◽  
Yong Ho Jeon ◽  
Moon Gu Lee ◽  
Min Sung Hong ◽  
Taik Min Lee ◽  
...  
Keyword(s):  
Screen Printing ◽  
Roll To Roll ◽  
Flat Screen ◽  
Printing System

scholarly journals Uniform Pressing Mechanism in Large-Area Roll-to-Roll Nanoimprint Lithography Process

2021 ◽  
Vol 11 (20) ◽  
pp. 9571
Author(s):  
Ga Eul Kim ◽  
Hyuntae Kim ◽  
Kyoohee Woo ◽  
Yousung Kang ◽  
Seung-Hyun Lee ◽  
...  
Keyword(s):  
Contact Pressure ◽  
Nanoimprint Lithography ◽  
Applied Pressure ◽  
Machine Learning Techniques ◽  
Conventional System ◽  
Large Area ◽  
High Productivity ◽  
Roll To Roll ◽  
Learning Techniques ◽  
Roller Machine

We aimed to increase the processing area of the roll-to-roll (R2R) nanoimprint lithography (NIL) process for high productivity, using a long roller. It is common for a long roller to have bending deformation, geometric errors and misalignment. This causes the non-uniformity of contact pressure between the rollers, which leads to defects such as non-uniform patterning. The non-uniformity of the contact pressure of the conventional R2R NIL system was investigated through finite element (FE) analysis and experiments in the conventional system. To solve the problem, a new large-area R2R NIL uniform pressing system with five multi-backup rollers was proposed and manufactured instead of the conventional system. As a preliminary experiment, the possibility of uniform contact pressure was confirmed by using only the pressure at both ends and one backup roller in the center. A more even contact pressure was achieved by using all five backup rollers and applying an appropriate pushing force to each backup roller. Machine learning techniques were applied to find the optimal combination of the pushing forces. In the conventional pressing process, it was confirmed that pressure deviation of the contact area occurred at a level of 44%; when the improved system was applied, pressure deviation dropped to 5%.

OLED Manufacturing on Flexible Substrates Towards Roll-to-Roll

MRS Advances ◽  
2019 ◽  
Vol 4 (24) ◽  
pp. 1367-1375 ◽  
Author(s):  
Dongxiang Wang ◽  
Jacqueline Hauptmann ◽  
Christian May
Keyword(s):  
High Throughput ◽  
Present Status ◽  
Manufacturing Cost ◽  
Flexible Substrates ◽  
Large Area ◽  
Thin Glass ◽  
Production Capability ◽  
Roll To Roll ◽  
Pet Film

ABSTRACTLarge area lighting OLEDs manufactured in a Roll-to-Roll (R2R) fashion enable the well-longed production capability with considerably high throughput based on flexible substrates, hence largely reduced OLED manufacturing cost. This paper will outline the present status of R2R OLED fabrication on ultra-thin glass with the focus on transparent OLED devices and how to perform segmentation by printing of silver- and dielectric pastes. Ultra-thin glass (UTG) is laminated on a PET film to avoid fabrication interruptions when glass cracks occur during the Roll-to-Roll process. The R2R fabricated flexible OLEDs also show key-values comparable to conventional OLEDs fabricated on small rigid glass in lab-scale.

Fully Decoupled Control of the Machine Directional Register in Roll-to-Roll Printing System

2020 ◽  
pp. 1-1
Author(s):  
Zhihua Chen ◽  
Tao Zhang ◽  
Ying Zheng ◽  
David Shan-Hill Wong ◽  
Zhonghua Deng
Keyword(s):  
Roll To Roll ◽  
Printing System ◽  
Decoupled Control
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