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    • 8. 发明申请
    • Plating method and plating apparatus
    • 电镀方法和电镀装置
    • US20050164498A1
    • 2005-07-28
    • US10989658
    • 2004-11-17
    • Kunihito IdeKoji MishimaHiroyuki KandaHidenao SuzukiKazufumi Nomura
    • Kunihito IdeKoji MishimaHiroyuki KandaHidenao SuzukiKazufumi Nomura
    • C25D3/38C25D7/12H01L21/288H01L21/44H01L21/768
    • C25D17/001C25D3/38C25D7/123H01L21/2885
    • A plating method is capable of depositing a plated film having excellent in-plane uniformity with respect to a thin seed layer and excellent embeddability with respect to fine damascene structures. The plating method including: positioning an electric resistor between a conductive layer formed on at least a portion of a surface of the substrate and an anode; introducing respectively a plating solution into a space between the conductive layer and the anode on the conductive layer side, and an anode solution into the space between the conductive layer and the anode on the anode side, thereby filling the space with a plating bath composed of the plating solution and the anode solution, the plating solution containing 25 to 75 g/L of copper ions and 0.4 mole/L or more of an organic acid or an inorganic acid, and the anode solution being of the same composition as said plating solution, or containing 0 to 75 g/L of copper ions and 0.6 mole/L or less of an organic acid or an inorganic acid; and applying a voltage between the conductive layer and the anode to plate a surface of the conductive layer.
    • 电镀方法能够沉积相对于薄种子层具有优异的面内均匀性的电镀膜,并且相对于细的镶嵌结构具有优异的嵌入性。 电镀方法包括:在形成在基板表面的至少一部分上的导电层和阳极之间定位电阻器; 在导电层侧的导电层和阳极之间的空间中分别引入电镀液,将阳极溶液引入到阳极侧的导电层和阳极之间的空间中,由此填充由 电镀液和阳极溶液,含有25〜75g / L的铜离子和0.4mol / L以上的有机酸或无机酸的电镀液,所述阳极溶液与所述电镀液的组成相同 ,或含有0〜75g / L的铜离子和0.6摩尔/ L以下的有机酸或无机酸; 以及在所述导电层和所述阳极之间施加电压以对所述导电层的表面进行平板化。
    • 10. 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。