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    • 5. 发明申请
    • INSOLUBLE ANODE LOOP IN COPPER ELECTRODEPOSITION CELL FOR INTERCONNECT FORMATION
    • 用于互连形成的铜电极沉积池中的非阳极阳极环
    • WO2004013381A2
    • 2004-02-12
    • PCT/US0324621
    • 2003-08-06
    • APPLIED MATERIALS INC
    • KOVARSKY NICOLAY YLUBOMIRSKY DMITRYCHANG ANZHONGDORDI YEZDI NYANG MICHAEL X
    • C25D7/12C25D21/18C25D21/22H01L21/288C25D
    • H01L21/2885C25D7/123C25D21/18C25D21/22
    • Embodiments of the invention generally provide a method and apparatus for plating a metal on a substrate. The electrochemical plating system generally includes a plating cell having an anolyte compartment and a catholyte compartment, the anolyte compartment having an insoluble anode and an anolyte therein. The catholyte compartment generally includes a substrate support member and a catholyte therein. In addition, the plating cell generally includes an ion-exchange membrane disposed between the anolyte compartment and the catholyte compartment and a pump in fluid communication with the anolyte compartment, the pump configured to provide an anolyte to the anolyte compartment having a linear velocity of between about 0.5 cm/sec to about 50 cm/sec. The method generally includes supplying an anolyte solution to an anolyte compartment disposed in a plating cell having an anolyte compartment and a catholyte compartment. The anolyte solution generally passes through the anolyte compartment at a linear velocity of between about 0.5 cm/sec to about 50 cm/sec. The method further includes plating a metal onto the substrate with a catholyte solution disposed in a catholyte compartment of the plating cell, the catholyte compartment and the anolyte compartment separated by an ion-exchange membrane, removing used anolyte solution from the plating cell and passing at least a portion of the used anolyte solution through a correction device including at least one of copper oxide, copper hydroxide and combinations thereof.
    • 本发明的实施例通常提供一种用于在基底上电镀金属的方法和装置。 电化学电镀系统通常包括具有阳极电解液室和阴极电解液隔室的电镀槽,阳极电解液室具有不溶性阳极和阳极电解液。 阴极电解液隔室通常在其中包括基板支撑构件和阴极电解液。 此外,电镀槽通常包括设置在阳极电解液室和阴极电解液室之间的离子交换膜和与阳极电解液室流体连通的泵,所述泵被配置为向阳极电解液室提供线性速度介于 约0.5cm / sec至约50cm / sec。 该方法通常包括将阳极电解液供应到设置在具有阳极电解液室和阴极电解液室的电镀槽中的阳极电解液室。 阳极电解液通常以约0.5cm / sec至约50cm / sec的线速度穿过阳极电解液室。 该方法还包括用设置在电镀池的阴极电解液室中的阴极电解液,阴离子电解质隔室和由离子交换膜隔开的阳极电解液室将金属电镀到基板上,从电镀槽中除去使用的阳极电解液并通过 通过包括氧化铜,氢氧化铜及其组合中的至少一种的校正装置的至少一部分所使用的阳极电解液。