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    • 1. 发明申请
    • Edge flow faceplate for improvement of CVD film properties
    • 边缘流动面板,用于改善CVD膜性能
    • US20050126484A1
    • 2005-06-16
    • US11013124
    • 2004-12-15
    • Maosheng ZhaoLun TsueiJuan Rocha-AlvarezTom Cho
    • Maosheng ZhaoLun TsueiJuan Rocha-AlvarezTom Cho
    • C23C16/00C23C16/44C23C16/455C23C16/509H01J37/32H01L21/00
    • C23C16/45565C23C16/5096H01J37/3244
    • Embodiments in accordance with the present invention relate to apparatuses and methods distributing processing gases over a workpiece surface. In accordance with one embodiment of the present invention, process gases are flowed to a surface of a semiconductor wafer through a substantially circular gas distribution showerhead defining a plurality of holes. A first set of holes located at the center of the faceplate, are arranged in a non-concentric manner not exhibiting radial symmetry. This asymmetric arrangement achieves maximum density of holes and gases distributed therefrom. To compensate for nonuniform exposure of the wafer edges to gases flowed from the first hole set, the faceplate periphery defines a second set of holes arranged concentrically and exhibiting radial symmetry. Processing substrates with gases flowed through the first and second sets of holes results in formation of films exhibiting enhanced uniformity across center-to-edge regions.
    • 根据本发明的实施例涉及在工件表面上分配处理气体的装置和方法。 根据本发明的一个实施例,工艺气体通过限定多个孔的基本圆形的气体分配喷头流向半导体晶片的表面。 位于面板中心的第一组孔布置成不呈径向对称的非同心方式。 这种不对称布置实现了从其分布的孔和气体的最大密度。 为了补偿晶片边缘对从第一孔组流出的气体的不均匀曝光,面板周边限定了同心布置且呈径向对称的第二组孔。 处理具有流经第一和第二组孔的气体的衬底导致形成在中心到边缘区域上具有增强的均匀性的膜。
    • 4. 发明申请
    • Mixing energized and non-energized gases for silicon nitride deposition
    • 混合通电和无能气体用于氮化硅沉积
    • US20060162661A1
    • 2006-07-27
    • US11040712
    • 2005-01-22
    • Kee JungDale Du BoisLun TsueiLihua HuangMartin SeamonsSoovo SenReza ArghavaniMichael Kwan
    • Kee JungDale Du BoisLun TsueiLihua HuangMartin SeamonsSoovo SenReza ArghavaniMichael Kwan
    • H05H1/24C23C16/00H01L21/306C23F1/00B08B6/00
    • C23C16/45574C23C16/345C23C16/452C23C16/45565C23C16/50H01J37/3244H01L21/0217H01L21/3185
    • A dual channel gas distributor can simultaneously distribute plasma species of an first process gas and a non-plasma second process gas into a process zone of a substrate processing chamber. The gas distributor has a localized plasma box with a first inlet to receive a first process gas, and opposing top and bottom plates that are capable of being electrically biased relative to one another to define a localized plasma zone in which a plasma of the first process gas can be formed. The top plate has a plurality of spaced apart gas spreading holes to spread the first process gas across the localized plasma zone, and the bottom plate has a plurality of first outlets to distribute plasma species of the plasma of the first process gas into the process zone. A plasma isolated gas feed has a second inlet to receive the second process gas and a plurality of second outlets to pass the second process gas into the process zone. A plasma isolator is between the second inlet and second outlets to prevent formation of a plasma of the second process gas in the plasma isolated gas feed.
    • 双通道气体分配器可以将第一工艺气体和非等离子体第二工艺气体的等离子体种类同时分配到衬底处理室的工艺区域中。 气体分配器具有局部等离子体盒,其具有第一入口以接收第一工艺气体,以及相对的顶板和底板,其能够相对于彼此电偏置以限定局部等离子体区,其中第一工艺的等离子体 可以形成气体。 顶板具有多个间隔开的气体扩散孔,以将第一处理气体扩散通过局部等离子体区域,并且底板具有多个第一出口,用于将第一处理气体的等离子体的等离子体物质分配到处理区 。 等离子体隔离气体进料具有用于接收第二处理气体的第二入口和多个第二出口以将第二处理气体通入处理区。 等离子体隔离器位于第二入口和第二出口之间,以防止在等离子体隔离气体进料中形成第二工艺气体的等离子体。
    • 9. 发明申请
    • ADJUSTABLE GAS DISTRIBUTION APPARATUS
    • 可调节气体分配装置
    • US20100112212A1
    • 2010-05-06
    • US12604591
    • 2009-10-23
    • Lin ZhangLun TsueiAlan TsoTom K. ChoBrian Sy-Yuan Shieh
    • Lin ZhangLun TsueiAlan TsoTom K. ChoBrian Sy-Yuan Shieh
    • C23C16/455C23C16/54
    • H01J37/32935C23C16/45565C23C16/45589H01J37/3244
    • Embodiments of the present invention generally provide apparatus and methods for altering the contour of a gas distribution plate within a process chamber without breaking vacuum conditions within the chamber. In one embodiment, a central support device adjusted to vary the height of a central region of a gas distribution plate with respect to the periphery of the gas distribution plate. In another embodiment, a plurality of central support devices is adjusted to vary the height of a central region of a gas distribution plate with respect to the periphery of the plate. In yet another embodiment, a plurality of central support devices and a plurality of mid-range support devices are adjusted to vary the height of certain regions of the gas distribution plate with respect to other regions of the gas distribution plate. In one embodiment, the contour of the gas distribution plate is altered based on changes detected within the process chamber.
    • 本发明的实施例通常提供用于改变处理室内的气体分配板的轮廓而不破坏室内的真空条件的装置和方法。 在一个实施例中,中央支撑装置被调节以改变气体分配板的中心区域相对于气体分配板的周边的高度。 在另一个实施例中,调节多个中心支撑装置以相对于板的周边改变气体分配板的中心区域的高度。 在另一个实施例中,调节多个中央支撑装置和多个中距离支撑装置以改变气体分配板的某些区域相对于气体分配板的其它区域的高度。 在一个实施例中,基于在处理室内检测到的变化来改变气体分配板的轮廓。