发明名称 POLISHING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a polishing method capable of forming a flat horizontal face on the edge portion of a wafer.SOLUTION: In the polishing method of the invention, a pressing pad 51 is arranged at a position deviated by a predetermined distance in the tangential direction of a wafer W from the origin position on a center line extending radially from the center of a wafer W. The tangential direction is perpendicular to the center line. The wafer W is rotated, and a polishing tape 38 is pushed onto an edge portion of the wafer W by the pressing pad 51 existing at the deviated position so that a horizontal plane is formed on the edge portion of that wafer W.
申请公布号 JP2014065094(A) 申请公布日期 2014.04.17
申请号 JP20120210650 申请日期 2012.09.25
申请人 EBARA CORP 发明人 TOGAWA TETSUJI;YOSHIDA ATSUSHI;YAMASHITA MICHIYOSHI
分类号 B24B21/06 主分类号 B24B21/06
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