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    • 2. 发明授权
    • Method of forming a decorative metallic nitride coating
    • 形成装饰性金属氮化物涂层的方法
    • US4420498A
    • 1983-12-13
    • US390904
    • 1982-06-22
    • Masahiko HiroseTsuyoshi YasuiYoshiharu OchiMasatoshi Nakagawa
    • Masahiko HiroseTsuyoshi YasuiYoshiharu OchiMasatoshi Nakagawa
    • C23C16/50C23C16/34C23C16/503C23C13/04
    • C23C16/503C23C16/34
    • There is disclosed a method for forming a decorative metallic nitride coating on the surface of a substrate comprising the steps of disposing said substrate to be coated as a cathode in a material gas atmosphere at a pressure of 0.1 to 10 Torr, with said substrate maintained at a temperature of 200.degree. to 1000.degree. C., and applying a voltage of 200 to 8000 V to said substrate to prepare a direct current glow discharge space in the vicinity of said substrate, the improvement which comprises using as said material gas a mixed gas of a halide of titanium, zirconium or hafnium; hydrogen; and nitrogen, and controlling the current density of the electric current flowing through said substrate to be within the range of 0.01 to 1 mA/cm.sup.2.The method according to the present invention provides a uniform and beautiful metallic nitride coating which has a metallic luster stable with time, is excellent in mar resistance, and is suitable for decoration. Further, according to the method of this invention, a decorative metallic nitride coating capable of varying a tone on a metallic luster surface over a wide range can be formed.
    • 公开了一种在衬底表面上形成装饰性金属氮化物涂层的方法,包括以下步骤:将所述待涂覆的衬底作为阴极设置在材料气体气氛中,压力为0.1至10托,其中所述衬底保持在 温度为200〜1000℃,向所述基板施加200〜8000V的电压,在所述基板的附近配置直流辉光放电空间,其特征在于,使用作为所述原料气体的混合气体 的钛,锆或铪的卤化物; 氢; 和氮气,并且将流过所述基板的电流的电流密度控制在0.01至1mA / cm 2的范围内。 根据本发明的方法提供了一种均匀且美观的金属氮化物涂层,其具有随时间稳定的金属光泽,耐擦伤性优异,并且适于装饰。 此外,根据本发明的方法,可以形成能够在宽范围内改变金属光泽表面上的色调的装饰性金属氮化物涂层。