Korean Journal of Materials Research, Vol.17, No.4, 215-221, April, 2007
CF4 플라즈마 처리에 의한 잉크젯 프린팅 Ag박막과 폴리이미드 사이의 계면파괴에너지 향상에 관한 연구
A Study on Improvement of Interfacial Adhesion Energy of Inkjet-printed Ag Thin film on Polyimide by CF4 Plasma Treatment
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The effect of CF4 plasma treatment condition on the interfacial adhesion energy of inkjet printed
Ag/polyimide system is evaluated from 180o peel test by calculating the plastic deformation energy of peeled metal films. Interfacial fracture energy between Ag and as-received polyimide was 5.5 g/mm. CF4 plasma treatment on the polyimide surface enhanced the interfacial fracture energy up to 17.6 g/mm. This is caused by the increase in the surface roughness as well as the change in functional group of the polyimide film due to CF4 plasma treatment on the polyimide surface. Therefore, both the mechanical interlocking effect and the chemical bonding effect are responsible for interfacial adhesion improvement in inkjet printed Ag/polyimide systems.
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