发明名称 POLISHING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a polishing device capable of speedily controlling a taper of a polished body largely both in variation and a control range of the taper of the polished body and constantly at temperature of a surface plate in polishing of a wafer as the polished body. SOLUTION: A surface of a pressure head 12 facing against a polishing plate 16 formed on a convexly curved surface on the polishing device to polish the polished body such as the semi-conductor wafer 18, etc., fixed on the polishing plate 16 held on the pressure head 12 by pressing it on a polishing pad 14 on the surface plate 10 and rotating the surface plate 10 or the polishing plate 16.
申请公布号 JP2003025213(A) 申请公布日期 2003.01.29
申请号 JP20010209431 申请日期 2001.07.10
申请人 DOWA MINING CO LTD 发明人 UMETSU KAZUYUKI;SUNAJI NAOYA;OMORI HIDEMI
分类号 B24B37/005;B24B37/04;B24B37/30;H01L21/304 主分类号 B24B37/005
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