Liquid transfer between two separating plates for conductive material patterning = 전도성 물질 패터닝을 위한 두 평면간의 유체 전이에 관한 연구

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Experimental investigations of the liquid transfer between two separating plates have been carried out, with the aim of increasing the ink transfer ratio in micro-gravure-offset printing for conductive material patterning. A sessile droplet is divided into two by moving one plate vertically with respect to a fixed plate. The surface contact angles of the sessile droplet on the two plates were of particular interest in this study because the volume ratio of the two droplets varies with the contact angles. Various methods for controlling the surface contact angle, including chemical treatment, plasma surface modification, and electrowetting-on-dielectric were assessed. Image analysis of the droplets was carried out to estimate the surface contact angles and to measure the volumes of the droplets. The liquid transfer process and related phenomena such as satellite droplet generation and the variation in the contact areas between the droplets and the plates were observed. The experimental results help us determine the optimal surface contact angles of the plate cylinder, blanket cylinder, and substrate for micro-gravure-offset printing.
Advisors
Sung, Hyung-Jinresearcher성형진researcher
Description
한국과학기술원 : 기계공학전공,
Publisher
한국과학기술원
Issue Date
2009
Identifier
308496/325007  / 020073017
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학전공, 2009.2, [ v, 51 p. ]

Keywords

liquid transfer; ink transfer; surface contact angle; droplet separation; printed electronics; 유체 전이; 잉크 전이; 표면접촉각; 물방울 분리; 인쇄전자; liquid transfer; ink transfer; surface contact angle; droplet separation; printed electronics; 유체 전이; 잉크 전이; 표면접촉각; 물방울 분리; 인쇄전자

URI
http://hdl.handle.net/10203/45662
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=308496&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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