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    • 31. 发明授权
    • Process control in electrochemically assisted planarization
    • 电化学辅助平面化过程控制
    • US07294038B2
    • 2007-11-13
    • US11425339
    • 2006-06-20
    • Antoine P. ManensLiang-Yuh Chen
    • Antoine P. ManensLiang-Yuh Chen
    • B23H3/00B24D11/02C23H3/00C25D17/00
    • B24B37/046B23H5/06B23H5/08B24B37/042B24B37/22B24B49/16
    • In one embodiment, a pad assembly for electro-processing a substrate is provided which includes a first conductive layer having a working surface adapted to contact the substrate during a polishing process, an intermediate layer coupled to the first conductive layer, and a second conductive layer coupled to the intermediate layer. The second conductive layer may have a plurality of independently electrically biasable zones and is configured to be coupled with a power delivery arrangement. The intermediate layer may contain a polymer material support disk, a backing layer, or combinations thereof. Generally, the first conductive layer, the second conductive layer, and the intermediate layer are adhered or secured together and removable as a unitary replaceable body. In one example, the intermediate layer may contain a plurality of perforations or cannels that have a diameter within a range from about 0.5 mm to about 10 mm.
    • 在一个实施例中,提供了一种用于电处理衬底的焊盘组件,其包括第一导电层,其具有适于在抛光工艺期间接触衬底的工作表面,耦合到第一导电层的中间层和第二导电层 耦合到中间层。 第二导电层可以具有多个独立的电可偏置区域,并且被配置为与电力输送装置耦合。 中间层可以包含聚合物材料支撑盘,背衬层或其组合。 通常,第一导电层,第二导电层和中间层被粘合或固定在一起并作为整体可更换体移动。 在一个示例中,中间层可以包含多个穿孔或孔,其直径在约0.5mm至约10mm的范围内。