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그라비아 인쇄용 롤(roll)의 패턴 형상이 전도성 잉크를 이용한 인쇄 성능에 미치는 영향
안병준(Byoung Joon Ahn),한경준(Kyoung Joon Han),고성림(Sung Lim Ko) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
e-Printing is the new manufacturing technology compared to traditional printing technology for electronic products. And these products need wide area printing and to be very cheap. Therefore gravure printing system with roll to roll(R2R) system will be used to reduce cost and to keep the required accuracy. Engraved roll for gravure printing system will be used. On the surface of the roll, the structure to be printed is machined negatively, which will be filled by conductive ink and transferred to the web material. As one of the characteristics of gravure printing, the areas and lines are composed of a set of dots. In this paper, lines and areas will be printed using gravure printer with conductive ink. The engraved pattern of the gravure roll is composed of various geometry of dots like depth, angle are shape. The printing result, the ratio of ink transfer and accuracy of lines, will be analyzed to investigate the influence of the geometry of dots to the quality of printing.