发明名称 POLISHING APPARATUS AND POLISHING METHOD
摘要 A polishing apparatus and method are provided to lower the temperature of the edge region of an object by supplying cooling fluid to part of the object, thereby improving the flatness of polished surface. A polishing apparatus comprises a platen, a polishing head part(140) which polishes an object(142) while moving it relative to the platen, and a cooling unit(150) which is provided on the polishing head to cool a part of the object. The cooling unit provides cooling fluid to the polishing head, near the edge region of the object.
申请公布号 KR100914608(B1) 申请公布日期 2009.08.31
申请号 KR20070100250 申请日期 2007.10.05
申请人 发明人
分类号 B24B37/015;B24B37/04;B24B55/02;H01L21/304 主分类号 B24B37/015
代理机构 代理人
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