发明名称
摘要 Apparatus and methods for shielding a feature projecting from a first area on a substrate to a plasma while simultaneously removing extraneous material from a different area on the substrate with the plasma. The apparatus includes at least one concavity positioned and dimensioned to receive the feature such that the feature is shielded from the plasma. The apparatus further includes a window through which the plasma removes the extraneous material. The method generally includes removing the extraneous material while shielding the feature against plasma exposure.
申请公布号 JP5301765(B2) 申请公布日期 2013.09.25
申请号 JP20050349156 申请日期 2005.12.02
申请人 发明人
分类号 H01L21/56 主分类号 H01L21/56
代理机构 代理人
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