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10 October 2007 Effects of substrate treatments on silver ink-jet printing
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Proceedings Volume 6717, Optomechatronic Micro/Nano Devices and Components III; 67170S (2007)
Event: International Symposium on Optomechatronic Technologies, 2007, Lausanne, Switzerland
In this study, characteristics of silver ink-jet printing were investigated under various substrate treatments such as substrate heating, hydrophobic coating, and ultraviolet (UV)/ozone soaking. Fluorocarbon (FC) film was spin-coated on the polyimide (PI) film substrate to obtain a hydrophobic surface. The coated FC film surface was estimated to have a fairly hydrophobic nature in that it exhibited a large water contact angle of 110‐113°. Although hydrophobicity of the FC film could reduce the diameter of the printed droplets, the singlet images printed on the FC film surface showed irregularities in the pattern size and the position of the printed droplet along with droplet merging phenomenon. The proposed UV/ozone soaking of the FC film improved the uniformity of the pattern size and the droplet position after printing and substrate heating was very effective way in preventing droplet merging. By heating of the substrate after UV/ozone soaking of the coated FC film, silver conductive lines of 78‐116 μm line were successfully printed at relatively low substrate temperatures of 40 °C and 70 °C.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sang-Ho Lee, Kwon-Yong Shin, Jun Young Hwang, Kyungtae Kang, Heuiseok Kang, and Young June Cho "Effects of substrate treatments on silver ink-jet printing", Proc. SPIE 6717, Optomechatronic Micro/Nano Devices and Components III, 67170S (10 October 2007);


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