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    • 14. 发明申请
    • METHOD AND APPARATUS FOR MODULATING WAFER TREATMENT PROFILE IN UV CHAMBER
    • 用于调节UV室中的水处理轮廓的方法和装置
    • WO2012074816A2
    • 2012-06-07
    • PCT/US2011/061703
    • 2011-11-21
    • APPLIED MATERIALS, INC.BALUJA, SanjeevROCHA-ALVAREZ, Juan CarlosDEMOS, Alexandros T.
    • BALUJA, SanjeevROCHA-ALVAREZ, Juan CarlosDEMOS, Alexandros T.
    • H01L21/26H01L21/3105
    • G02B5/22G02B5/208H01L21/67115
    • A method and apparatus for providing a uniform UV radiation irradiance profile across a surface of a substrate is provided. In one embodiment, a substrate processing tool includes a processing chamber defining a processing region, a substrate support for supporting a substrate within the processing region, an ultraviolet (UV) radiation source spaced apart from the substrate support and configured to transmit ultraviolet radiation toward the substrate positioned on the substrate support, and a light transmissive window positioned between the UV radiation source and the substrate support, the light transmissive window having an optical film layer coated thereon. In one example, the optical film layer has a non-uniform thickness profile in a radial direction, wherein a thickness of the optical film layer at the peripheral area of the light transmissive window is relatively thicker than at the center region of the optical film layer.
    • 提供了一种用于在衬底的表面上提供均匀的UV辐射辐照度分布的方法和装置。 在一个实施例中,衬底处理工具包括限定处理区域的处理室,用于支撑处理区域内的衬底的衬底支撑件,与衬底支撑件间隔开并且被配置成向衬底支撑件发射紫外线辐射的紫外线(UV)辐射源 位于基板支撑件上的基板和位于UV辐射源和基板支撑件之间的透光窗口,透光窗口具有涂覆在其上的光学膜层。 在一个示例中,光学膜层在径向上具有不均匀的厚度分布,其中在透光窗的周边区域处的光学膜层的厚度比在光学膜层的中心区域处的厚度更厚 。