衛星帯電・放電現象に関わる絶縁物材料の表面・体積抵抗の測定

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  • エイセイ タイデン ホウデン ゲンショウ ニ カカワル ゼツエンブツ ザイリョウ ノ ヒョウメン タイセキ テイコウ ノ ソクテイ

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This paper investigates surface and volume resistivity of UV-irradiated or EB-irradiated insulator materials used for the artificial satellites. Measurements were carried out under vacuum conditions. The measured materials are a glass which is used for the cover glass of solar panel and a polyimide film which is used for the thermal control material on the satellite. It was confirmed that the surface resistivity and volume resistivity had no difference regardless of UV or EB irradiation. But the chemical surface state of UV-irradiated polyimide film was changed according to irradiance level. The change in surface state of UV-irradiated polyimide film was bigger than EB-irradiated one.

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