Characteristics of a micro-plasma produced by atmospheric pressure RF impulse discharge using coaxial micro-electrode

被引:7
作者
Tanaka, Y [1 ]
Iizuka, S [1 ]
机构
[1] Tohoku Univ, Grad Sch Engn, Dept Elect Engn, Sendai, Miyagi 9808579, Japan
关键词
micro-plasma; atmospheric pressure discharge; RF impulse discharge;
D O I
10.1016/j.tsf.2005.08.034
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In order to achieve inner wall surface treatment of glass tube of micrometer and gas decomposition flowing through a small diameter glass tube, a micro-plasma is useful. We have developed a new method for producing a micro-plasma in order to apply to the surface treatment and micro-plasma CVD on the inner wall surface of a micro-glass tube at atmospheric pressure. The plasma is produced by using a coaxial microelectrode to which RF impulse is applied. We have elucidated fundamental characteristics of the discharge and optimized the electrode configuration. We find that breakdown voltage can be decreased with a decrease in the diameter of the inner electrode. We also clarified the effect of gas species and flow rate on the discharge. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:436 / 439
页数:4
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