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    • 2. 发明申请
    • EDGE BEAD REMOVAL PROCESS WITH ECMP TECHNOLOGY
    • 带ECMP技术的边缘除鳞工艺
    • US20090061617A1
    • 2009-03-05
    • US11849714
    • 2007-09-04
    • Alain DuboustJose Salas-VernisAntoine P. Manens
    • Alain DuboustJose Salas-VernisAntoine P. Manens
    • H01L21/3063
    • H01L21/3063H01L21/02087
    • A method and apparatus for the removal of a deposited conductive layer along an edge of a substrate using a power ring configured to electro polish an edge of the substrate are provided. The electro polishing of the substrate edge may occur simultaneously with the electrochemical mechanical processing of a substrate face. In certain embodiments a method of electrochemically polishing a substrate having a conductive material disposed thereon is provided. A substrate is coupled with a carrier head comprising a power ring which surrounds an edge of the substrate, wherein the edge of the substrate includes the conductive material. A polishing pad is contacted with a face of the substrate. A first voltage is applied to the power ring to remove conductive material from the edge of the substrate. A second voltage different from the first voltage is applied to the polishing pad to remove a portion of the conductive material from the face of the substrate.
    • 提供了一种用于使用构造为电抛光衬底的边缘的功率环沿着衬底的边缘去除沉积的导电层的方法和装置。 衬底边缘的电抛光可以与衬底面的电化学机械加工同时发生。 在某些实施例中,提供了一种电化学抛光其上布置有导电材料的基板的方法。 衬底与包括围绕衬底的边缘的功率环的载体头耦合,其中衬底的边缘包括导电材料。 抛光垫与基板的表面接触。 向功率环施加第一电压以从衬底的边缘去除导电材料。 将不同于第一电压的第二电压施加到抛光垫,以从衬底的表面去除一部分导电材料。
    • 10. 发明申请
    • LASER PROCESSING SYSTEM WITH VARIABLE BEAM SPOT SIZE
    • 具有可变光束尺寸的激光加工系统
    • US20110253685A1
    • 2011-10-20
    • US13076422
    • 2011-03-30
    • Wei-Yung HsuAntoine P. Manens
    • Wei-Yung HsuAntoine P. Manens
    • B23K26/00
    • B23K26/046B23K26/364B23K26/40B23K2103/16B23K2103/42B23K2103/50
    • Systems for scribing a workpiece incorporate a motorized beam expander to change a laser beam spot size incident on a workpiece. A system includes a frame, a laser coupled with the frame and generating an output to remove material from at least a portion of a workpiece, a beam expander positioned along a path of the laser output and having a motorized mechanism operable to vary a beam expansion ratio applied to the laser output, and at least one scanning device coupled with the frame and operable to control a position of the laser output, after expansion, on the workpiece. The motorized beam expander can be used to selectively vary the width of a laser beam supplied to a scanning device so as to selectively vary the size of the laser beam incident on the workpiece. Alternatively, a variable aperture can be used instead of a beam expander.
    • 用于对工件进行划线的系统包括电动束扩张器以改变入射在工件上的激光束斑点尺寸。 一种系统包括框架,激光器与框架耦合并且产生输出以从工件的至少一部分移除材料;沿着激光输出路径定位的光束扩展器,并具有可操作以改变光束膨胀的电动机构 以及至少一个与框架耦合的扫描装置,并可操作以控制激光输出在膨胀之后在工件上的位置。 电动光束扩展器可以用于选择性地改变提供给扫描装置的激光束的宽度,以便选择性地改变入射在工件上的激光束的尺寸。 或者,可以使用可变光圈来代替光束扩展器。