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    • 1. 发明授权
    • Electrolytic processing apparatus and substrate processing method
    • 电解处理装置及基板处理方法
    • US07374646B2
    • 2008-05-20
    • US10767253
    • 2004-01-30
    • Hidenao SuzukiKazufumi NomuraKunihito IdeHiroyuki KandaKoji MishimaNaoki MiharaNatsuki MakinoSeiji Katsuoka
    • Hidenao SuzukiKazufumi NomuraKunihito IdeHiroyuki KandaKoji MishimaNaoki MiharaNatsuki MakinoSeiji Katsuoka
    • C25D17/00C25D17/02C25D17/06C25D7/12
    • H01L21/2885C25D7/123C25D17/001H01L21/76877
    • The present invention provides an electrolytic processing apparatus which is capable of increasing an in-plane uniformity of a film thickness of a plated film by making more uniform an electric field distribution over an entire surface to be processed of a substrate even if the substrate has a large area, and controlling more uniformly a speed, over the entire surface to be processed of the substrate. The electrolytic processing apparatus of this invention includes: a substrate holder for holding a substrate, a first electrode for being brought into contact with the substrate to supply current to a surface, to be processed, of the substrate; a second electrode disposed substantially parallel to the surface, to be processed, of the substrate in a position facing the surface, to be processed, of the substrate held by the substrate holder; a high resistance structure disposed between the substrate held by the substrate holder and the second electrode; an electrolytic solution introducing portion for introducing an electrolytic solution into a region across which the substrate held by the substrate holder and the high resistance structure face each other, from laterally of the high resistance structure; and a power source for applying a voltage between the first electrode and the second electrode.
    • 本发明提供一种电解处理装置,其能够通过使基板的整个表面上的电场分布更均匀,从而提高镀膜的膜厚的面内均匀性, 大面积,并且在基板的整个待处理表面上更均匀地控制速度。 本发明的电解处理装置包括:用于保持基板的基板保持器,用于与基板接触的第一电极,以将基板的待加工表面供给电流; 基板平行于被处理面的基板平面的第二电极,所述第一电极与所述基板保持器保持的所述基板面对所述要被处理的表面的位置; 设置在由衬底保持器保持的衬底和第二电极之间的高电阻结构; 电解液引入部分,用于将电解溶液引入到由所述衬底保持器保持的所述衬底和所述高电阻结构面对的区域中,从所述高电阻结构的侧面引出; 以及用于在第一电极和第二电极之间施加电压的电源。