表面技術
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
研究論文
Surface Modification of Fluoropolymer Using Open-Air Plasma Treatment at Atmospheric Pressure with Ar, Ar+O2, and Ar+H2 for Application in HighAdhesion Metal Wiring Patterns
Yoshinori KODAMAYuji OHKUBOTakaya OSHITAYoshinori NAKANOTsuyoshi UEHARATeppei AOYAMAKatsuyoshi ENDOKazuya YAMAMURA
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2018 年 69 巻 4 号 p. 155-162

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We performed open-air plasma treatment of polytetrafluoroethylene (PTFE) at atmospheric pressure to increase the adhesion strength between PTFE and an Ag metal film formed from Ag ink. Coloration of the PTFE surface occurred during 600 s treatment with Ar plasma. The Ag/PTFE adhesion strength was 0.06 N/mm. To resolve the problem of coloration and to improve the adhesion strength, O2 or H2 gas was added. During treatment with Ar+O2 plasma with O2 content of 0.33% for 600 s, no coloration occurred but the adhesion strength decreased to zero. During treatment with Ar+H2 plasma for 600 s, coloration did not occur. Moreover, the adhesion strength increased to 0.25-0.55 N/mm. These results showed that H2 addition was effective for preventing coloration and improving adhesion strength during long-period plasma treatment. Furthermore, the uniformity of surface treatment with Ar+H2 plasma was higher than that for Ar plasma.

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© 2018 by The Surface Finishing Society of Japan
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