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    • 9. 发明申请
    • SHOWERHEAD ASSEMBLY WITH GAS INJECTION DISTRIBUTION DEVICES
    • 淋浴器组装与气体注射分配装置
    • US20110256315A1
    • 2011-10-20
    • US12856747
    • 2010-08-16
    • Alexander TamAnzhong ChangSumedh Acharya
    • Alexander TamAnzhong ChangSumedh Acharya
    • C23C16/455
    • B05B1/18C23C16/45519C23C16/45565C23C16/52C30B25/14H01L21/67115
    • A method and apparatus that may be utilized for chemical vapor deposition and/or hydride vapor phase epitaxial (HVPE) deposition are provided. The apparatus includes a showerhead assembly with separate inlets and manifolds for delivering separate processing gases into a processing volume of the chamber without mixing the gases prior to entering the processing volume. The showerhead includes a plurality of gas distribution devices disposed within a plurality of gas inlets for injecting one of the processing gases into and distributing it across a manifold for uniform delivery into the processing volume of the chamber. Each of the gas distribution devices preferably has a nozzle configured to evenly distribute the processing gas flowing therethrough while minimizing recirculation of the processing gas within the manifold. As a result, improved deposition uniformity is achieved on a plurality of substrates positioned in the processing volume of the processing chamber.
    • 提供了可用于化学气相沉积和/或氢化物气相外延(HVPE)沉积的方法和装置。 该装置包括具有单独的入口和歧管的喷头组件,用于在进入处理体积之前将不同的处理气体输送到室的处理体积而不混合气体。 淋浴头包括多个气体分配装置,其设置在多个气体入口内,用于将一个处理气体注入和分配到歧管上,以均匀地输送到腔室的处理容积中。 每个气体分配装置优选地具有喷嘴,喷嘴构造成使流过其中的处理气体均匀地分布,同时最小化歧管内的处理气体的再循环。 结果,在位于处理室的处理容积中的多个基板上实现了改善的沉积均匀性。