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    • 42. 发明授权
    • Plasma source for HDP-CVD chamber
    • HDP-CVD室的等离子体源
    • US5944902A
    • 1999-08-31
    • US98150
    • 1998-06-16
    • Fred C. RedekerTetsuya Ishikawa
    • Fred C. RedekerTetsuya Ishikawa
    • C23C16/50H01J37/32H01L21/205H01L21/31H05H1/46C23C16/00
    • H01J37/321H05H1/46H05H2001/4667
    • A plasma system is disclosed for processing a substrate and includes a chamber body defining a plasma cavity therein and having a centrally located gas inlet, and a top antenna configured in position relative to the plasma cavity to produce a center-peaked plasma density profile above the substrate during operation. The top antenna has a central passage which surrounds the centrally located gas inlet. A side antenna is preferably configured and positioned relative to the plasma chamber to produce a hollow-center plasma density profile above the substrate during operation. Together, the top and side antennas and the centrally located gas inlet provide a uniform plasma directly over the surface of the substrate to be processed.
    • 公开了一种用于处理衬底的等离子体系统,并且包括在其中限定等离子体空腔并具有居中定位的气体入口的室主体,以及配置成相对于等离子体空间位置的顶部天线,以产生高于该等离子体腔的中心峰值等离子体密度分布 底物。 顶部天线具有围绕中心位置的气体入口的中心通道。 优选地,侧面天线相对于等离子体室构造和定位,以在操作期间在衬底上产生空心中心等离子体密度分布。 一起,顶部和侧面天线以及位于中心的气体入口在待处理的基板的表面上直接提供均匀的等离子体。