- Volume 48 Issue 3
The Effect of the Wettability of Solid Surface on Printing Pattern in Screen Printing
스크린 인쇄 공정에서 고체면의 젖음성이 인쇄형상에 미치는 영향
- Park, Jungkwon (Department of Chemical and Biological Engineering, Korea University) ;
- Kim, Chongyoup (Department of Chemical and Biological Engineering, Korea University)
- 박중권 (고려대학교 화공생명공학과) ;
- 김종엽 (고려대학교 화공생명공학과)
- Received : 2009.12.18
- Accepted : 2010.03.24
- Published : 2010.06.30
The interfacial hydrodynamic issues in the screen printing are experimentally investigated by using model inks that are prepared by dispersing alumina nanoparticles in water. The printing patterns of the inks that are passed through differing geometrical shapes of screen on solid surfaces with differing wettability are not solely determined by the pattern on the screen. The dynamic contact angle cannot solely explain the physics of the problem, either. The difference between the screen and printing patterns was not the same for concave and convex corners. Especially the elasticity of ink affects the edge shape.
Contact Line;Wettability;Rheological Properties
Supported by : 차세대정보디스플레이기술개발사업단
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