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    • 3. 发明申请
    • GAS DISTRIBUTION SHOWERHEAD SKIRT
    • 气体分配淋浴裙
    • WO2009154889A2
    • 2009-12-23
    • PCT/US2009/043189
    • 2009-05-07
    • APPLIED MATERIALS, INC.CHO, Tom, K.SHIEH, Brian, Sy-yuanYUAN, Zheng
    • CHO, Tom, K.SHIEH, Brian, Sy-yuanYUAN, Zheng
    • H01L21/205
    • C23C16/5096C23C16/45565C23C16/45587H01J37/3244
    • The present invention generally includes an extension or skirt that extends from a gas distribution showerhead in a processing chamber. When processing substrates, the gas distribution showerhead may be electrically biased. The electrically biased showerhead may, in some cases, ignite the processing gas into a plasma state. The walls of the processing chamber and the susceptor, may be grounded relative to the showerhead. Thus, the edges of the substrate may have a greater surface area of ground contacts as compared to the electrically biased showerhead. Due to the increase in grounding near the edges, the material deposited on the substrate may have different properties as compared to the middle of the substrate. By extending the showerhead edges down closer toward the substrate, substantially uniform properties of the material may be obtained.
    • 本发明通常包括从处理室中的气体分配喷头延伸的延伸部或裙部。 当处理基板时,气体分配喷头可被电偏置。 在某些情况下,电偏置喷头可以将处理气体点燃成等离子体状态。 处理室和基座的壁可以相对于喷头接地。 因此,与电偏压花洒相比,衬底的边缘可具有更大的接地触点表面积。 由于边缘附近的接地增加,与衬底的中间相比,沉积在衬底上的材料可能具有不同的性质。 通过将淋浴头边缘向下靠近基板延伸,可以获得材料的基本均匀的特性。
    • 5. 发明申请
    • MULTIPLE GAS FEED APPARATUS AND METHOD
    • 多气体给料装置和方法
    • WO2010048165A2
    • 2010-04-29
    • PCT/US2009/061303
    • 2009-10-20
    • APPLIED MATERIALS INC.TSO, AlanTSUEI, LunCHO, Tom, K.SHIEH, Brian, Sy-yuan
    • TSO, AlanTSUEI, LunCHO, Tom, K.SHIEH, Brian, Sy-yuan
    • H01L21/205
    • C23C16/45565C23C16/45574
    • Embodiments of the present invention generally provide apparatus and methods for introducing process gases into a processing chamber at a plurality of locations. In one embodiment, a central region of a showerhead and corner regions of a showerhead are fed process gases from a central gas source with a first mass flow controller regulating the flow in the central region and a second mass flow controller regulating the flow in the corner regions. In another embodiment, a central region of a showerhead is fed process gases from a first gas source and corner regions of the showerhead are fed process gases from a second gas source. In another embodiment, a central region of a showerhead is fed process gases from a first gas source and each corner region of the showerhead is fed process gases from a separate gas source.
    • 本发明的实施例通常提供用于将处理气体引入处理室中的多个位置的装置和方法。 在一个实施例中,喷头的中心区域和喷头的角区域从中央气源被供给工艺气体,第一质量流量控制器调节中心区域中的流量,第二质量流量控制器调节拐角中的流量 区域。 在另一个实施例中,喷头的中心区域从第一气源供给工艺气体,并且喷头的拐角区域从第二气源供给工艺气体。 在另一个实施例中,喷头的中心区域从第一气源供给工艺气体,并且喷头的每个拐角区域从单独的气源供给工艺气体。