发明名称 METHOD FOR PROCESSING WAFER
摘要 PURPOSE: A method for processing wafers is provided to prevent the outer circumference of wafers from being damaged by bonding the wafers with a protective tape while the rear sides of the wafers are ground. CONSTITUTION: A wheel mount(30) is fixed to the tip end part of a spindle(28) in a grinding device. A grinding wheel(26) is mounted to the wheel mount using a screw(31). The grinding wheel includes a plurality of grinding stones(34) attached to the free end part of a ring shaped base(32). A chuck table(24) rotates to the same direction as the grinding wheel. A grinding unit transferring unit approaches the grinding stones to the rear side of a wafer(11). A protective tape(23) is bonded on the surface of the wafer.
申请公布号 KR20110063293(A) 申请公布日期 2011.06.10
申请号 KR20100111571 申请日期 2010.11.10
申请人 DISCO CORPORATION 发明人 DAII TOSHIHARU
分类号 H01L21/304;H01L21/301 主分类号 H01L21/304
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