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Surface Modification of Polytetrafluoroethylene by Using Low Energy Hydrogen Ion Beam  

Lee, Jung-Hwan (P&I Corp R&D center, Department of New material Science & Engineering, Korea university)
Kim, Dong-Hwan (Department of New material Science & Engineering, Korea university)
Yeo, Woon-Jung (P&I Corp R&D center)
Han, Young-Gun (P&I Corp R&D center)
Cho, Jun-Sik (P&I Corp R&D center)
Kim, Hyun-Joo (School of Liberal Arts, Chungju National University)
Koh, Seok-Jeun (P&I Corp R&D center)
Publication Information
Journal of the Korean Vacuum Society / v.15, no.6, 2006 , pp. 612-618 More about this Journal
Abstract
Surface modification of PTFE by ion irradiation was performed to improve its surface properties, In the case where argon was used to irradiate the PTFE films, an increase in the adhesion strength was observed when the ion fluence was over $1\times10^{15}\;ions/cm^2$, but the surface morphology dramatically changed to a needle-shaped one. However, when we used hydrogen ions under $O_2$ environmental gas, the adhesion strength increased at an ion fluence of $5\times10^{16}\;ions/cm^2$ and the surface morphology by the hydrogen irradiation was not needle-shaped. The surface morphology and adhesion strength of the hydrogen modified PTFE was influenced by the oxygen flow rate. It was confirmed by reflectance measurements that the surface properties of the hydrogen ion irradiated PTFE were superior to those of the argon ion irradiated PTFE.
Keywords
PTFE; Surface modification; Ion beam; Hydrogen ion;
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