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    • 49. 发明申请
    • Apparatus and method for plasma etching
    • 用于等离子体蚀刻的装置和方法
    • US20050028934A1
    • 2005-02-10
    • US10793886
    • 2004-03-08
    • Go MiyaManabu EdamuraKen YoshiokaRyoji Nishio
    • Go MiyaManabu EdamuraKen YoshiokaRyoji Nishio
    • H01L21/3065H01J37/32H01L21/00C23F1/00
    • H01J37/32449H01J37/3244H01L21/67017H01L21/67069
    • A plasma etching apparatus capable of performing processing with excellent in-plane uniformity on an object to be processed having a large diameter is provided. The present invention provides a plasma etching apparatus including a processing chamber 13 which performs plasma processing on an object to be processed 1, a first processing gas supply source 40, a second processing gas supply source 50, a first gas inlet 65-1 which introduces a processing gas into the processing chamber, second gas inlets 65-2 which introduce the processing gas into the processing chamber, flow rate regulators 42 and 53 which regulate the flow rate of the processing gas and a gas shunt 60 which divides the first processing gas into a plurality of portions, wherein at least two gas pipes branched by the shunt 60 are provided with the first gas inlet 65-1 or second gas inlets 65-2 and merging sections 63-1 and 63-2 are provided between the shunt 60 and the first gas inlet 65-1 and between the shunt 60 and the second gas inlets 65-2 for merging the second processing gas.
    • 提供了能够对具有大直径的待处理物体进行具有优异的面内均匀性的处理的等离子体蚀刻装置。 本发明提供一种等离子体蚀刻装置,其包括对被处理物1进行等离子体处理的处理室13,第一处理气体供给源40,第二处理气体供给源50,第一气体供给源 进入处理室的处理气体,将处理气体引入处理室的第二气体入口65-2,调节处理气体的流量的流量调节器42和53以及将第一处理气体 其中由分流器60分支的至少两个气体管道设置有第一气体入口65-1或第二气体入口65-2以及合流部分63-1和63-2,分流器60 和第一气体入口65-1以及分流器60和第二气体入口65-2之间,用于合并第二处理气体。