Method and system for active purging of pellicle volumes
    24.
    发明授权
    Method and system for active purging of pellicle volumes 失效
    主要吹扫防护薄膜的方法和系统

    公开(公告)号:US07619718B2

    公开(公告)日:2009-11-17

    申请号:US10679324

    申请日:2003-10-07

    CPC classification number: G03F1/64 G03F7/70933 G03F7/70983

    Abstract: The present invention provides methods and systems for fast purging of pellicle volumes. A purge device has a base which is enclosed in a controlled environment filled with purge gas. The base has a cavity formed on a surface therein. The cavity receives a reticle-pellicle assembly including a pellicle surface and an enclosed pellicle volume. A first region within the cavity can be formed to hold purging gas at a high pressure. A gap region is formed below the pellicle within the cavity. A displacement force on the pellicle due to a pressure difference between purging gas in the enclosed volume and purging gas in the gap region is kept within a tolerance range of the pellicle. According to further embodiments, a purge device is provided that includes a flow barrier (e.g., non-contacting and/or contacting barriers). A pressure balancing plate and/or flow resistant plates are provided in a purge device.

    Abstract translation: 本发明提供用于快速吹扫防护薄膜体积的方法和系统。 净化装置具有封闭在充满吹扫气体的受控环境中的基部。 底座具有形成在其中的表面上的空腔。 空腔容纳包括防护薄膜表面和封闭防护薄膜体积的掩模版防护薄膜组件。 可以形成腔内的第一区域以保持高压下的清洗气体。 间隙区域形成在空腔内的防护薄膜下方。 由于封闭容积中的吹扫气体与间隙区域中的净化气体之间的压力差,防护薄膜上的位移力保持在防护薄膜的容许范围内。 根据另外的实施例,提供了包括流动屏障(例如,非接触和/或接触屏障)的清洗装置。 在净化装置中设置压力平衡板和/或防流动板。

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