Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 40 Issue 1
published_at 1989-10

Controll of Plasma Parameters in a Magnetically Filtered Multicusp Source

磁気フィルターによるバケット型プラズマ源内のプラズマパラメータの制御
Shigeyama Naoki
Mizumo Hitoshi
Watanabe Kenji
Sakiyama Satoshi
Fukumasa Osamu
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About This Article
Descriptions
The technique to control plasma parameters spatially, especially energy distribution and density of electrons, is studied experimentally with magnetically filtered multicusp source. We have found that plasma parameters vary across the filter abruptly. Namely, magnetic filter field devides plasma volume into two regions, i.e. source plasma region and diffused plasma region. The source plasma is high density and high temperature plasma with fast electrons. The diffused plasma is low density and low temperature plasma, because filter field allows the passage of only low-energy electrons to this region. For different two gas species (H_2,Ar) and for various gas pressures (0.6&acd
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