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    • 25. 发明申请
    • LOCALIZED STRESS MODULATION FOR OVERLAY AND EPE
    • 用于覆盖和EPE的局部应力调制
    • WO2016003575A2
    • 2016-01-07
    • PCT/US2015/033810
    • 2015-06-02
    • APPLIED MATERIALS, INC.
    • YIEH, Ellie Y.DAI, HuixiongNEMANI, Srinivas D.GODET, LudovicBENCHER, Christopher Dennis
    • H01L21/66
    • H01L22/12H01L22/20
    • Embodiments of the disclosure provide apparatus and methods for localized stress modulation for overlay and edge placement error (EPE) using electron or ion implantation. In one embodiment, a process for correcting overlay error on a substrate generally includes performing a measurement process in a metrology tool on a substrate to obtain a substrate distortion or an overlay error map, determining doping parameters to correct overlay error or substrate distortion based on the overlay error map, and providing a doping recipe to a doping apparatus based on the doping parameters determined to correct substrate distortion or overlay error. Embodiments may also provide performing a doping treatment process on the substrate using the determined doping repair recipe, for example, by comparing the overlay error map or substrate distortion with a database library stored in a computing system.
    • 本公开的实施例提供了使用电子或离子注入的用于覆盖和边缘放置误差(EPE)的局部应力调制的装置和方法。 在一个实施例中,用于校正衬底上的覆盖误差的处理通常包括在衬底上的度量工具中执行测量过程以获得衬底失真或覆盖误差图,基于所述衬底失真或覆盖误差图确定掺杂参数以校正重叠误差或衬底失真 覆盖误差图,并且基于确定用于校正衬底失真或重叠误差的掺杂参数向掺杂装置提供掺杂配方。 实施例还可以使用确定的掺杂修复配方在衬底上执行掺杂处理过程,例如通过将覆盖误差图或衬底失真与存储在计算系统中的数据库进行比较。