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    • 2. 发明申请
    • DIFFUSER GRAVITY SUPPORT
    • DIFFUSER GRAVITY支持
    • US20090007846A1
    • 2009-01-08
    • US12234359
    • 2008-09-19
    • ERNST KELLERJohn M. WhiteRobin L. TinerJiri KuceraSoo Young ChoiBeom Soo ParkMichael Starr
    • ERNST KELLERJohn M. WhiteRobin L. TinerJiri KuceraSoo Young ChoiBeom Soo ParkMichael Starr
    • C23C16/00
    • H01J37/3244C23C16/45565
    • An apparatus and method for supporting a substantial center portion of a gas distribution plate is disclosed. At least one support member is capable of engaging and disengaging the diffuser with a mating connection without prohibiting flow of a gas or gases through the diffuser and is designed to provide vertical suspension to a diffuser that is supported at its perimeter, or capable of supporting the diffuser without a perimeter support. In one aspect, the at least one support member is a portion of a gas delivery conduit and in another embodiment is a plurality of support members separated from the gas delivery conduit. The at least one support member is capable of translating vertical lift, or vertical compression to a center area of the diffuser. A method and apparatus for controlling gas flow from the gas delivery conduit to the gas distribution plate is also disclosed.
    • 公开了一种用于支撑气体分布板的大部分中心部分的装置和方法。 至少一个支撑构件能够通过配合连接件接合和分离扩散器,而不阻止气体或气体流过扩散器,并且被设计成向在其周边支撑的扩散器提供垂直悬架,或者能够支撑 扩散器没有周界支撑。 在一个方面,所述至少一个支撑构件是气体输送导管的一部分,并且在另一个实施例中是与气体输送导管分离的多个支撑构件。 至少一个支撑构件能够将垂直升降或垂直压缩平移到扩散器的中心区域。 还公开了一种用于控制从气体输送管道到气体分配板的气流的方法和装置。
    • 4. 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。
    • 7. 发明授权
    • Plasma uniformity control by gas diffuser curvature
    • 气体扩散器曲率等离子体均匀性控制
    • US08074599B2
    • 2011-12-13
    • US11173210
    • 2005-07-01
    • Soo Young ChoiBeom Soo ParkJohn M. WhiteRobin L. Tiner
    • Soo Young ChoiBeom Soo ParkJohn M. WhiteRobin L. Tiner
    • C23C16/455C23F1/00H01L21/306C23C16/22C23C16/06
    • H01J37/32449H01J37/3244
    • Embodiments of a gas distribution plate for distributing gas in a processing chamber are provided. In one embodiment, a gas distribution assembly for a plasma processing chamber comprises a diffuser plate with gas passages passing between its upstream and downstream sides and hollow cathode cavities at the downstream side of the gas passages. The downstream side of the diffuser plate has a curvature to improve the thickness uniformity and film property uniformity of thin films deposited by PECVD, particularly SiN and amorphous silicon films. The curvature is preferably described by an arc of a circle or ellipse, the apex thereof located at the center point of the diffuser plate. In one aspect, the hollow cathode cavity volume density, surface area density, or the cavity density of the diffuser increases from the center of the diffuser to the outer edge. Methods for manufacturing such a diffuser plate are also provided.
    • 提供了用于在处理室中分配气体的气体分配板的实施例。 在一个实施例中,用于等离子体处理室的气体分配组件包括具有在其上游侧和下游侧之间通过气体通道的扩散板,并且在气体通道的下游侧具有空心阴极腔。 扩散板的下游侧具有改善通过PECVD沉积的薄膜的厚度均匀性和膜特性均匀性的曲率,特别是SiN和非晶硅膜。 该曲率优选地由圆或椭圆的圆弧描述,其顶点位于扩散板的中心点。 在一个方面,空心阴极腔体积密度,表面积密度或扩散器的空腔密度从扩散器的中心增加到外边缘。 还提供了制造这种扩散板的方法。
    • 8. 发明申请
    • SUBSTRATE SUPPORT WITH GAS INTRODUCTION OPENINGS
    • 基础支持与气体介绍开幕
    • US20100184290A1
    • 2010-07-22
    • US12686483
    • 2010-01-13
    • 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
    • H01L21/28
    • 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。