发明名称 WAFER PROCESSING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a wafer processing method capable of flatly grinding a wafer in which a swollen part is formed in an outer peripheral edge thereof.SOLUTION: A wafer processing method comprises the steps of: sticking a surface protecting member, which covers a device region of a wafer and has a diameter with a length which does not reach a swollen part and a thickness thicker than the height of the swollen part, to the device region of the wafer and exposing the swollen part; holding wafer on a holding table via the surface protecting member and exposing a rear surface of the wafer (holding step); and thinning the wafer to a prescribed thickness by grinding the rear surface of the wafer by grinding means after performing the holding step (thinning step).
申请公布号 JP2014072503(A) 申请公布日期 2014.04.21
申请号 JP20120220032 申请日期 2012.10.02
申请人 DISCO ABRASIVE SYST LTD 发明人 KAMINAGA TAKUYA
分类号 H01L21/304 主分类号 H01L21/304
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