Shinku
Online ISSN : 1880-9413
Print ISSN : 0559-8516
ISSN-L : 0559-8516
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Volume 13, Issue 5
Displaying 1-2 of 2 articles from this issue
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  • Recent Study on Electron-Bombardment-Induced Emission of Ions from Solid Surfaces
    Mitsuaki NISHIJIMA
    1970 Volume 13 Issue 5 Pages 159-170
    Published: May 20, 1970
    Released on J-STAGE: September 29, 2009
    DOIhttps://doi.org/10.3131/jvsj.13.159
    JOURNAL FREE ACCESS
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  • Observation of Polymerized Films Induced by Irradiation of Electron Beams
    Nagamitsu YOSHIMURA, Hisashi OIKAWA
    1970 Volume 13 Issue 5 Pages 171-177
    Published: May 20, 1970
    Released on J-STAGE: September 29, 2009
    DOIhttps://doi.org/10.3131/jvsj.13.171
    JOURNAL FREE ACCESS
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    A polymerized contamination film is studied which is formed on a glass surface placed in organic gases under the irradiation of electron beams. Polymerizing rate were evaluated for vacuum sealing greases and diffusion pump fluids which may be used as a lubricant.
    Organic materials were loaded in clean chamber and an electron beam from the electron gun was allowed to impinge upon a specime n which is adsorbed on a silver-coated glass target. The thickness of polymerized films was measured by a multi-beam interferometer whose thickness was yarned with densty of the electron beam.
    All the diffusion pump fluids tested were responsible for polymerized contamination to a considerable extent and the silicon grease glealy. While the grease of Apiezon-M and Apiezon-L were barely responsible for the contamination in spite of irradiation time prolonged.
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