发明名称 LAPPING CARRIER
摘要 PURPOSE:To provide a lapping carrier which is sufficient in strength and able to hold a wafer with no damage and obviate the replacement of a synthetic resin coating film in the peripheral edge part of a holding hole and a guide member. CONSTITUTION:An inner circumferential surface 21 of a holding hole 2 is ground and smooth surfacing is applied, thereby installing a smooth surface 21a, and projections are removed, and further both vertical edges on the inner circumferential surface of the holding hole 2 is chamfered, installed a chamfering part 23 there. A wafer peripheral surface and the inner circumferential surface of the holding hole, therefore, come to a face-to-face contact.
申请公布号 JPH07156062(A) 申请公布日期 1995.06.20
申请号 JP19930341808 申请日期 1993.11.30
申请人 KYUSHU KOMATSU DENSHI KK;KOMATSU ELECTRON METALS CO LTD 发明人 IWAKIRI GIICHIROU
分类号 B24B37/27;B24B37/28;H01L21/304 主分类号 B24B37/27
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