发明名称 METHOD AND APPARATUS FOR SEPARATING PROTECTIVE TAPE
摘要 <p>OF THE DISCLOSUREA first holding table suction-holds an annular projection of a wafer remaining on a rear face thereof for surrounding a back grinding region. A second holding table having an outer peripheral wall adjacent to an inner wall of the annular projection is inserted into a flat portion inside the annular projection for joining a separating adhesive tape to a protective tape on a surface of the wafer while a flat plane of the flat portion is suction-held. Thereafter, the adhesive tape is separated. Accordingly, the adhesive tape is separated from the surface of the wafer together with the protective tape.Figure 15</p>
申请公布号 SG180110(A1) 申请公布日期 2012.05.30
申请号 SG20110075454 申请日期 2011.10.14
申请人 NITTO DENKO CORPORATION 发明人 CHOUHEI OKUNO;MASAYUKI YAMAMOTO
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