发明名称 PROTECTIVE TAPE STICKING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a protective tape sticking method which allows easy sticking of a protective tape, having an annular adhesive layer only on the periphery corresponding to the periphery of a wafer, to the wafer while positioning.SOLUTION: The protective tape sticking method for sticking a protective tape, having a diameter corresponding to that of a wafer and provided with an annular adhesive layer only on the periphery corresponding to that of the wafer, includes: a first mark formation step for forming a plurality of first marks on the periphery of the wafer; a second mark formation step for forming a plurality of second marks corresponding to the first marks on the adhesive layer of the protective tape; and a protective tape sticking step for sticking the protective tape to the wafer while matching the first marks of the wafer and the second marks of the protective tape.
申请公布号 JP2013239671(A) 申请公布日期 2013.11.28
申请号 JP20120113245 申请日期 2012.05.17
申请人 DISCO ABRASIVE SYST LTD 发明人 SHIGETA KAORI
分类号 H01L21/304 主分类号 H01L21/304
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