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    • 29. 发明授权
    • Substrate support with gas introduction openings
    • 衬底支撑与气体导入孔
    • US08853098B2
    • 2014-10-07
    • US13401755
    • 2012-02-21
    • Sam H. KimJohn M. WhiteSoo Young ChoiCarl A. SorensenRobin L. TinerBeom Soo Park
    • Sam H. KimJohn M. WhiteSoo Young ChoiCarl A. SorensenRobin L. TinerBeom Soo Park
    • H01L21/00H01L21/44H01L21/31H01L21/469H01L21/687H01L21/683
    • H01L21/68742H01L21/6831
    • Embodiments disclosed herein generally relate to an apparatus and a method for placing a substrate substantially flush against a substrate support in a processing chamber. When a large area substrate is placed onto a substrate support, the substrate may not be perfectly flush against the substrate support due to gas pockets that may be present between the substrate and the substrate support. The gas pockets can lead to uneven deposition on the substrate. Therefore, pulling the gas from between the substrate and the support may pull the substrate substantially flush against the support. During deposition, an electrostatic charge can build up and cause the substrate to stick to the substrate support. By introducing a gas between the substrate and the substrate support, the electrostatic forces may be overcome so that the substrate can be separated from the susceptor with less or no plasma support which takes extra time and gas.
    • 本文公开的实施例通常涉及用于将衬底基本上与衬底支撑件齐平地放置在处理室中的装置和方法。 当将大面积基板放置在基板支撑件上时,由于可能存在于基板和基板支撑件之间的气体袋,基板可能不能完全与基板支撑件齐平。 气袋可导致基板上的不均匀沉积。 因此,从衬底和支撑件之间拉动气体可以将衬底基本上与支撑件齐平。 在沉积期间,静电电荷可能积聚并使衬底粘附到衬底支撑件上。 通过在衬底和衬底支撑件之间引入气体,可以克服静电力,使得衬底可以用较少或不需要额外时间和气体的等离子体支架与基座分离。