发明名称 APPARATUS AND METHOD FOR DRAWING SLURRY
摘要 An apparatus and a method for drawing slurry are provided to suppress micro scratch by utilizing small slurry particles in a CMP method. An apparatus for drawing slurry includes a float member(134) and a dip tube(139). The float member implemented in a drum containing the slurry is floated on the slurry. The dip tube, whose one side is coupled with the float member, draws slurry which is positioned at a higher portion of the slurry containing in the drum. The one side of the dip tube is moved along a surface of the higher portion of the slurry according to the float member. The one side of the dip tube includes a slurry inlet hole to inlet the slurry. The dip tube is coupled with the float member to expose the slurry inlet hole at a lower portion of the float member.
申请公布号 KR20080079035(A) 申请公布日期 2008.08.29
申请号 KR20070019051 申请日期 2007.02.26
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 KIM, DONG HOON
分类号 H01L21/02 主分类号 H01L21/02
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