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    • 1. 发明授权
    • Chemical mechanical electropolishing system
    • 化学机械电抛光系统
    • US06927177B2
    • 2005-08-09
    • US10693110
    • 2003-10-24
    • Steven E. RederMichael J. Berman
    • Steven E. RederMichael J. Berman
    • B24B37/04C25F3/02H01L21/31H01L21/469
    • C25F3/02B24B37/042H01L21/32125Y10S438/907
    • A system for thinning a layer on a substrate without damaging a delicate underlying layer in the substrate. The system includes means for mechanically eroding the layer on the substrate, and means for electropolishing the layer on the substrate. In this manner, portions of the layer that cannot be removed by electropolishing can be removed by the mechanical erosion. However, electropolishing can preferentially be used on some portions of the layer so that unnecessary mechanical stresses can be avoided. Thus, the system imparts less mechanical stress to the substrate during the removal of the layer, and the delicate underlying layer receives less damage during the process, and preferably no damage whatsoever.
    • 一种用于在衬底上稀薄层而不损坏衬底中精细的下层的系统。 该系统包括用于机械腐蚀衬底上的层的装置,以及用于电镀抛光衬底上的层的装置。 以这种方式,通过电解抛光不能除去的层的部分可以通过机械侵蚀去除。 然而,电解抛光可优先用于层的某些部分,从而可以避免不必要的机械应力。 因此,在去除层期间,该系统对基板施加较少的机械应力,并且精细的下层在该过程期间受到较少的损伤,并且优选地不受任何损害。
    • 2. 发明授权
    • Electroplating tool for semiconductor manufacture having electric field control
    • 具有电场控制的半导体制造用电镀工具
    • US07332062B1
    • 2008-02-19
    • US10452360
    • 2003-06-02
    • Steven E. RederMichael J. Berman
    • Steven E. RederMichael J. Berman
    • C25D17/00C25D17/06C25D7/12
    • C25D17/06C25D17/001C25D17/005
    • An electroplating tool for providing a metal or metal film on a semiconductor wafer during processing thereof has a wafer chucking mechanism with a conductor or conductors associated therewith. The conductor(s) are electrically connected to a controller that applies a voltage or current applied thereto for altering the position of and/or varying the intensity of electromagnetic field lines originating from a source anode of the electroplating tool. The electromagnetic field lines originating from the source anode direct the deposition of metal from the electroplating solution to the semiconductor wafer. The conductor(s) of the wafer chucking mechanism improve and/or modulate the electromagnetic field lines of the electroplating process. This provides greater control of metal deposition during the electroplating process such that uniformity of the metal (e.g. copper) is provided across the semiconductor wafer.
    • 一种用于在其处理期间在半导体晶片上提供金属或金属膜的电镀工具具有带有与其相关联的导体或导体的晶片夹持机构。 导体电连接到控制器,该控制器施加施加到其上的电压或电流,以改变源自电镀工具的源极的电磁场线的位置和/或改变电磁场线的强度。 源自源极阳极的电磁场线将金属从电镀溶液沉积到半导体晶片。 晶片夹持机构的导体改善和/或调制电镀工艺的电磁场线。 这提供了在电镀工艺期间对金属沉积的更大控制,使得跨半导体晶片提供金属(例如铜)的均匀性。
    • 7. 发明授权
    • Contact resistance device for improved process control
    • 接触电阻器件,用于改进过程控制
    • US07183787B2
    • 2007-02-27
    • US10723701
    • 2003-11-26
    • Michael J. BermanSteven E. Reder
    • Michael J. BermanSteven E. Reder
    • G01R31/26
    • C25D21/12H01L21/2885
    • A device for measuring resistances associated with electrical contacts of a contact ring used in a semiconductor wafer electroplating process. The device includes a substrate and a conductive pattern on the substrate. The conductive pattern is electrically contactable with the electrical contacts of the contact ring. Resistance measurement circuitry is connected to the conductive pattern. The resistance measurement circuitry is configured to send test signals to the conductive pattern, receive signals from the conductive pattern, and measure the resistances associated with the electrical contacts of the contact ring. A method of using such a device to measure resistances associated with electrical contacts of a contact ring used in a semiconductor wafer electroplating process is also provided.
    • 一种用于测量与半导体晶片电镀工艺中使用的接触环的电触点相关联的电阻的装置。 该器件在衬底上包括衬底和导电图案。 导电图案与接触环的电触点电接触。 电阻测量电路连接到导电图案。 电阻测量电路被配置为将测试信号发送到导电图案,从导电图案接收信号,并测量与接触环的电触点相关联的电阻。 还提供了使用这种装置来测量与在半导体晶片电镀工艺中使用的接触环的电触点相关联的电阻的方法。