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    • 3. 发明授权
    • Wafer edge cleaning method and apparatus
    • 晶圆边缘清洗方法及装置
    • US06797074B2
    • 2004-09-28
    • US10278115
    • 2002-10-22
    • Fred C. RedekerBrian J. BrownMichael Sugarman
    • Fred C. RedekerBrian J. BrownMichael Sugarman
    • B08B704
    • H01L21/02052B08B3/02B08B3/12H01L21/67051H01L21/67086Y10S134/902
    • A method and apparatus is provided for removing material from the edge of a disk. In one embodiment, the edge of the disk is contacted with etchant via an etchant containing swab or trough (which may contain one or more transducers) and is rotated such that successive portions of the disk edge are scanned through the trough or past the swab. To prevent etchant from contacting the major surface of the substrate, and/or to prevent excessive etching, the edge of the disk is contacted with a rinsing fluid (e.g., a rinsing fluid nozzle or a trough filled with rinsing fluid). In a further embodiment material such as residue or particles may be removed via a trough containing sonically energized rinsing fluid.
    • 提供了一种从盘的边缘去除材料的方法和装置。 在一个实施例中,盘的边缘通过含有拭子或槽(其可以包含一个或多个换能器)的蚀刻剂与蚀刻剂接触,并且被旋转使得盘边缘的连续部分通过槽扫过或通过拭子。 为了防止蚀刻剂接触基板的主表面和/或防止过度蚀刻,盘的边缘与冲洗流体(例如,冲洗流体喷嘴或填充有冲洗流体的槽)接触。 在另一个实施方案中,可以通过含有声波激发的冲洗流体的槽来去除诸如残余物或颗粒的材料。