发明名称 研磨スラリーの供給方法及び供給装置、並びに研磨装置
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a supply method and a supply device of polishing slurry in which coarse particles becoming the cause of defect when polishing a wafer are reduced significantly, and defects of nano-order on the wafer surface can be reduced when polishing a wafer, and to provide a polishing apparatus. <P>SOLUTION: The method of supplying the polishing slurry produced by mixing an undiluted slurry solution and pure water to a polishing apparatus includes a step for mixing the undiluted slurry solution and pure water while controlling so that a predetermined amount of pure water per unit time is added to a measured undiluted slurry solution, and a step for supplying the polishing slurry thus mixed to the polishing apparatus. <P>COPYRIGHT: (C)2013,JPO&INPIT</p>
申请公布号 JP5803601(B2) 申请公布日期 2015.11.04
申请号 JP20110252585 申请日期 2011.11.18
申请人 发明人
分类号 H01L21/304;B24B37/00;B24B57/02 主分类号 H01L21/304
代理机构 代理人
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