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    • 3. 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。
    • 4. 发明申请
    • EDGE FLOW FACEPLATE FOR IMPROVEMENT OF CVD FILM PROPERTIES
    • 用于改善CVD膜特性的边缘流动面
    • WO2005059974A1
    • 2005-06-30
    • PCT/US2004/041967
    • 2004-12-14
    • APPLIED MATERIALS, INC.ZHAO, MoshengTSUEI, LunROCHA-ALVAREZ, Juan CarlosCHO, Tom K.
    • ZHAO, MoshengTSUEI, LunROCHA-ALVAREZ, Juan CarlosCHO, Tom K.
    • H01L21/00
    • 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动到半导体晶片的表面。 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。 这种非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并呈现径向对称性的第二组孔。 处理具有流过第一组和第二组孔的气体的衬底导致形成在中心到边缘区域具有增强的均匀性的膜。