Comparative Study on Ejection Phenomena of Droplets from Electro-Hydrodynamic Jet by Hydrophobic and Hydrophilic Coatings of Nozzles
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概要
- 論文の詳細を見る
An electro-hydrodynamic (EHD) jet from an electrostatic inkjet head shows advantages in printing microsize patterns because it can generate submicron droplets and can use highly viscous inks. Since the basic principle of the EHD jet is to form a droplet from the apex of a meniscus at the end of a nozzle, the stable ejection of the droplet greatly depends on the shape of the meniscus, which is affected by surface characteristics of the nozzle, electric potential, and ink properties. Hence, experiments have been performed using nozzles with hydrophobic and hydrophilic coatings to investigate the droplet ejection.
- 2010-06-25
著者
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Vu Dat
Department Of Veterinary Pathology Microbiology And Infectious Diseases Faculty Of Animal And Veteri
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Sukhan Lee
School of Information and Communication Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Sang Uk
School of Information and Communication Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Kim Yong-Jae
School of Mechanical Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Choi Jaeyong
School of Information and Communication Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Son Sang
School of Information and Communication Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Xuan Hung
School of Mechanical Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Doyoung Byun
Department of Aerospace and Information Engineering, Konkuk University, 1 Hwayang-dong, Kwangjin-gu, Seoul 143-701, Korea
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Han Seo
School of Mechanical Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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Vu Dat
Department of Aerospace and Information Engineering, Konkuk University, 1 Hwayang-dong, Kwangjin-gu, Seoul 143-701, Korea
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Yong-Jae Kim
School of Mechanical Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon, Gyeonggi-do 440-746, Korea
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- Comparative Study on Ejection Phenomena of Droplets from Electro-Hydrodynamic Jet by Hydrophobic and Hydrophilic Coatings of Nozzles