发明名称 Apparatus for measuring impurities on wafer and Method for measuring impurities on wafer
摘要 Provided are an apparatus for measuring impurities on a wafer and a method of measuring impurities on a wafer. The apparatus includes: a wafer aligning device for aligning a wafer; a loading robot for moving and loading the aligned wafer; a rotation stage for rotating the loaded wafer; a scan robot for holding a natural oxide layer etching solution for the wafer and a metallic impurity recovery solution; and a container for receiving a predetermined etching solution and a recovery solution, wherein the scan robot removes an oxide layer on an edge region of the wafer.
申请公布号 KR101242246(B1) 申请公布日期 2013.03.11
申请号 KR20110024738 申请日期 2011.03.21
申请人 发明人
分类号 H01L21/66 主分类号 H01L21/66
代理机构 代理人
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