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    • 12. 发明授权
    • UV curing system for semiconductors
    • 半导体UV固化系统
    • US09287154B2
    • 2016-03-15
    • US13486025
    • 2012-06-01
    • Ming Huei LienChia-Ho ChenShu-Fen WuChih-Tsung LeeYou-Hua Chou
    • Ming Huei LienChia-Ho ChenShu-Fen WuChih-Tsung LeeYou-Hua Chou
    • H01L21/677H01L21/68H01L21/67H01L21/3105
    • H01L21/6776H01L21/3105H01L21/67115
    • Embodiments of an ultraviolet (UV) curing system for treating a semiconductor substrate such as a wafer are disclosed. The curing system generally includes a processing chamber, a wafer support for holding a wafer in the chamber, a UV radiation source disposed above the chamber, and a UV transparent window interspersed between the radiation source and wafer support. In one embodiment, the wafer support is provided by a belt conveyor operable to transport wafers through the chamber during UV curing. In another embodiment, the UV radiation source is a movable lamp unit that travels across the top of the chamber for irradiating the wafer. In another embodiment, the UV transparent window includes a UV radiation modifier that reduces the intensity of UV radiation on portions of the wafer positioned below the modifier. Various embodiments enhance wafer curing uniformity by normalizing UV intensity levels on the wafer.
    • 公开了用于处理诸如晶片的半导体衬底的紫外(UV)固化系统的实施例。 固化系统通常包括处理室,用于在室中保持晶片的晶片支撑件,设置在室上方的UV辐射源,以及散布在辐射源和晶片支撑件之间的UV透明窗口。 在一个实施例中,晶片支撑件由带式输送机提供,其可操作以在UV固化期间将晶片传送通过室。 在另一个实施例中,UV辐射源是可移动的灯单元,其移动穿过室的顶部以照射晶片。 在另一个实施方案中,UV透明窗口包括UV辐射调节剂,其降低位于调节剂下方的晶片部分上的UV辐射强度。 各种实施例通过使晶片上的UV强度水平归一化来增强晶片固化均匀性。