Shinku
Online ISSN : 1880-9413
Print ISSN : 0559-8516
ISSN-L : 0559-8516
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Volume 24, Issue 1
Displaying 1-3 of 3 articles from this issue
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  • Adsorption of CO, O2 and CO2 on Titanium Surface
    Nobuyuki HAYASHI
    1981 Volume 24 Issue 1 Pages 3-16
    Published: January 20, 1981
    Released on J-STAGE: September 29, 2009
    DOIhttps://doi.org/10.3131/jvsj.24.3
    JOURNAL FREE ACCESS
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  • Composition and Surface Morphology of Silicon Carbide Films Prepared by Magnetron Reactive Sputtering
    Seita TANEMURA, Mikio KOBAYAKAWA, Hiroaki NIWA, Kazuo SAITOH, Saburo T ...
    1981 Volume 24 Issue 1 Pages 17-21
    Published: January 20, 1981
    Released on J-STAGE: September 29, 2009
    DOIhttps://doi.org/10.3131/jvsj.24.17
    JOURNAL FREE ACCESS
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    Silicon carbide films are deposited on glassy carbon substrates at 1000 °C, by magnetron reactive sputtering in argon-acetylene atmospher of 2.0×10-3 Torr and at rf power density of 5 W/cm2. Acetylene partial pressure PC2H2 is varied in the range 0-3.0×10-4 Torr. Effects of PC2H2 on the composition and morphology of films are examined by Rutherford backscattering of 1.8 MeV He+ ions and by scanning electron microscopy, respectively. The composition of the films varies in a wide range with.PC2H2 and becomes stoichiometric at PC2H2 = 2.5×10-4 Torr. Carbon segregation is slightly observed on the surface of films prepared at PC2H2 lower than 2.0×10-4 Torr and a trace of impurity argon is uniformly contained over the whole depth of the films obtained at PC2H2 higher than that value. The glanular texture is observed on the surface of the films prepared at lower PC2H2 but its growth decreases with increasing PC2H2.
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  • Effects of Surface Treatment by Ion Beam Bombardment or Ion Beam Sputter Deposition on the Polyvinylchloride Films
    Kiichi HOJOU, Takashi NAKATANI, Koichi KANAYA, Kunihiko IIDA
    1981 Volume 24 Issue 1 Pages 22-30
    Published: January 20, 1981
    Released on J-STAGE: September 29, 2009
    DOIhttps://doi.org/10.3131/jvsj.24.22
    JOURNAL FREE ACCESS
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    Various applications of ion beam bombardment to the surface treatment of polymer have been studied. The effect of bombarding the polyvinylchloride films with a beam of argon ions and of CO2 ions for different ion currents and accelerating voltages are compared with the extraction of the surface layers of so-called the blocking test which has been done by thermal treatment (70 °C) at the pressure (10 kg/cm2) between the copy paper and plastic sheet. Also, the sheets deposited with carbon layers sputtered by ion beam bombardment is examined.
    It is found that both ion beam bombardment (with argon ions and CO2 ions) and ion beam sputter deposition (with carbon) are very useful to block an addition diffused from the inside to the surface among the polymer and sheets treated by ion beam bombardment (sputtering and deposition) are useful to block the surface diffusion for secular variation.
    Polymer surface treated by ion beam bombardment can be used to remove polymer surface layer under the non-thermal working state.
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