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    • 3. 发明申请
    • METHOD AND APPARATUS FOR MODULATING WAFER TREATMENT PROFILE IN UV CHAMBER
    • 用于调节UV室中的晶片处理轮廓的方法和设备
    • WO2012074816A3
    • 2012-10-04
    • PCT/US2011061703
    • 2011-11-21
    • APPLIED MATERIALS INCBALUJA 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设备。 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,用于在处理区域内支撑衬底的衬底支撑件,与衬底支撑件间隔开的紫外(UV)辐射源,并且被配置为朝向 位于所述衬底支撑件上的衬底以及位于所述UV辐射源与所述衬底支撑件之间的透光窗,所述透光窗具有涂覆在其上的光学膜层。 在一个例子中,光学膜层沿径向具有不均匀的厚度轮廓,其中光透射窗周边区域处的光学膜层的厚度比光学膜层的中心区域处的厚度 。