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Effect of UV/ozone treatment on interactions between ink-jet printed Cu patterns and polyimide substrates
- Authors
- Lee, Young-In; Goo, Yong-Sung; Lee, Kun-Jae; Hwang, Yun-Gu; Byun, Younghun; Park, Hee Jung; Park, Deok-Yong; Myung, Nosang V.; Choa, Yong-Ho
- Issue Date
- Aug-2011
- Publisher
- Elsevier Sequoia
- Keywords
- UV/ozone; Ink-jet printing; Wettability; Polyimide film; Surface modification
- Citation
- Thin Solid Films, v.519, no.20, pp.6853 - 6857
- Indexed
- SCIE
SCOPUS
- Journal Title
- Thin Solid Films
- Volume
- 519
- Number
- 20
- Start Page
- 6853
- End Page
- 6857
- ISSN
- 0040-6090
- Abstract
- In this study, we apply UV/ozone treatment to modify the surface properties of polyimide substrate and investigate the effects of UV/ozone treatment on surface properties of polyimide and the morphologies of ink-jet printed Cu patterns. Wettability of polyimide surface is enhanced by UV/ozone treatment as confirmed by contact angle analysis and XPS results. The change in wettability affected droplet sizes and morphologies of ink-jet-printed lines. The average droplet size increased from 26.8 mu m on untreated polyimide to 42.5 mu m after UV/ozone treatment. Furthermore, irregular patterns of coexisting beads and short lines were observed in untreated polyimide film, despite minimal overlap of dots. In contrast, patterns that were ink-jet printed on polyimide film that was modified by UV/ozone for 1 h showed continuous lines with straight edges. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- CHOA, YONG HO
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)