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Extended Anode Effect for Tube Inner Coating of Non-Conductive Ceramics by Pulsed Coaxial Magnetron Plasma
Graduate School of Engineering, Nagasaki University, Nagasaki, Japan
GEOMATEC Co Ltd., Miyagi, Japan
GEOMATEC Co Ltd., Miyagi, Japan
Graduate School of Engineering, Nagasaki University, Nagasaki, Japan
- 1 Graduate School of Engineering, Nagasaki University, Nagasaki, Japan
- 2 GEOMATEC Co Ltd., Miyagi, Japan
- 3 GEOMATEC Co Ltd., Miyagi, Japan
- 4 Graduate School of Engineering, Nagasaki University, Nagasaki, Japan
Materials Sciences and Applications·Volume 09 (2018)·Pages 1–10·Published 4 January 2018·DOI10.4236/msa.2018.91001
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Abstract
For uniform tube inner coating of non-conductive thin films, the double-ended coaxial magnetron pulsed plasma (DCMPP) method was investigated. In this study, coating of TiN and TiO 2 was performed. It was clearly shown that the extended anode effect was strongly influenced by the electric resistance of the coated thin films on the inner surface of an insulator tube. Additionally, high frequency (100 kHz) was better for relatively high plasma density. On the other hand, in the case of titanium oxide deposition, negative ion productions drastically decrease the deposition rate and the shifting velocity of plasma main position for coated TiO 2 films.
KeywordsDouble-Ended Coaxial Magnetron Pulsed PlasmaTube Inner CoatingExtended Anode EffectFine Ceramic FilmsTitanium Nitride FilmsTitanium Oxide Films
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