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최병오(B.O.Choi),류병순(B.S.Ryu),김충환(C.H.Kim),이택민(T.M.Lee),김동수(D.S.Kim),윤소남(S.N.Youn),이명훈(M.H.Lee),임규진(K.J.Lim) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
Manufacturing of printed electronics using printing technology has begun to get into the hot issue in many ways due to the low cost effectiveness to existing semi-conductor process. This technology, with low cost and high productivity, can make it possible to produce printed electronics(sensors, simple circuit, LCD color filter, Photovoltaic patterning, RFID antenna, OLED, and so on). In this paper, the roll-to-roll printing system under development for printing of printed electronics is presented. The system consists of winder/ rewinder, two printing units, dryer units, guiding unit, vision system, and other auxiliary devices. For testing of multi -layer printing, the system was designed to be capable of printing two different materials from each printing unit using gravure-offset printing method and have a function of alignment of two printed materials.
김충환(C.H. Kim),류병순(B.S. Ryu),임규진(K.J. Lim),이명훈(M.H. Lee),이택민(T.M. Lee),윤소남(S.N. Youn),최병오(B.O. Choi) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Printing technology has begun to get into the spotlight in many ways due to the low cost effectiveness to existent semiconductor process. It also has very useful application areas, not only paper printing but also patterning for LCD color filter, Photovoltaic patterning, RFID antenna, OLED, and so on. In this study, an apparatus of gravure offset printing was developed for fine line width printing. The pattern was composed of 20㎛ size of continuous lines of which pitch size was 40㎛. The printed pattern shows that it is possible to make around 20㎛ line-width printing pattern. The roll-to-roll printing system for fine line-width printing based on primary experiment is presented. For testing of multi-layer printing, the system was designed to be capable of printing two different materials from each printing unit using gravure-offset printing method and have a function of alignment of two printed materials.