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    • 10. 发明申请
    • Method and Apparatus for Plating Semiconductor Wafers
    • 用于电镀半导体晶片的方法和装置
    • US20100170803A1
    • 2010-07-08
    • US12724379
    • 2010-03-15
    • Yezdi DordiBob MaraschinJohn BoydFred C. RedekerCarl Woods
    • Yezdi DordiBob MaraschinJohn BoydFred C. RedekerCarl Woods
    • C25D7/12
    • C25D17/14C25D5/06C25D7/123C25D17/001C25D17/12H01L21/2885
    • First and second electrodes are disposed at first and second locations, respectively, proximate to a periphery of a wafer support, wherein the first and second location are substantially opposed to each other relative to the wafer support. Each of the first and second electrodes can be moved to electrically connect with and disconnect from a wafer held by the wafer support. An anode is disposed over and proximate to the wafer such that a meniscus of electroplating solution is maintained between the anode and the wafer. As the anode moves over the wafer from the first location to the second location, an electric current is applied through the meniscus between the anode and the wafer. Also, as the anode is moved over the wafer, the first and second electrodes are controlled to connect with the wafer while ensuring that the anode does not pass over an electrode that is connected.
    • 第一和第二电极分别设置在靠近晶片支撑件的周边的第一和第二位置处,其中第一和第二位置相对于晶片支撑件彼此基本相对。 可以使第一和第二电极中的每一个移动以与由晶片支撑件保持的晶片电连接和断开。 阳极设置在晶片上方并且靠近晶片,使得电镀溶液的弯液面保持在阳极和晶片之间。 当阳极从晶片从第一位置移动到第二位置时,通过阳极和晶片之间的弯液面施加电流。 此外,当阳极移动到晶片上时,第一和第二电极被控制以与晶片连接,同时确保阳极不通过连接的电极。