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    • 61. 发明授权
    • Process for the production of a surface-coated article
    • 用于生产表面涂层制品的方法
    • US4675206A
    • 1987-06-23
    • US849523
    • 1986-04-08
    • Akihiko IkegayaMasaaki Tobioka
    • Akihiko IkegayaMasaaki Tobioka
    • C23C16/30C23C16/517B05D3/06
    • C23C16/517C23C16/30
    • A surface-coated article or part, for example, hard material-coated steels or cemented carbides for cutting tools, wear resisting tools, sliding parts or decoration articles, having good properties comparable to those obtained by the PVD method, can be produced by a plasma CVD method characterized by using jointly a high frequency source and a direct current source as a plasma exciting source, holding a substrate or base metal at a negative potential by the direct current source and adjusting a high frequency power density applied to a plasma-forming space to 0.01 to 1 W/cm.sup.3, an absolute value of a direct current voltage to at most 1500 V and a gaseous atmosphere pressure to 0.05 to 5 Torr.
    • 表面涂层制品或部件,例如硬质材料涂覆的钢或用于切削工具的耐磨工具,滑动部件或装饰制品的硬质材料涂层钢或硬质合金,具有与通过PVD方法获得的性能相当的良好性能,可以通过 等离子体CVD方法的特征在于共同使用高频源和直流电源作为等离子体激发源,通过直流源将衬底或母体金属保持在负电位,并调整施加到等离子体形成的高频功率密度 空间为0.01〜1W / cm 3,直流电压的绝对值为1500V以下,气氛气压为0.05〜5Torr。