发明名称 Workpiece surface processing apparatus
摘要 A workpiece surface processing apparatus capable of processing the surface of a workpiece without being limited as to the shape of the workpiece and further capable of measuring the state of polish of the workpiece with a high precision. The workpiece surface processing apparatus includes three platens 1-1 to 1-3 arranged substantially point symmetrically and being rotated in the same direction by motors 17 to 19, a carrier head 2 holding a wafer W and rotating in an opposite direction to the platens 1-1 to 1-3, a rocking mechanism 3 for making the wafer W rock in a diametrical direction of the platen 1-1 so that the entire surface of the wafer W is polished. A measuring device 4 continuously measures the state of polish of the entire surface of the wafer W. <IMAGE>
申请公布号 EP0941805(A3) 申请公布日期 2002.06.05
申请号 EP19990101694 申请日期 1999.02.08
申请人 SPEEDFAM-IPEC INC. 发明人 ARAI, HATSUYUKI
分类号 B24B37/10;B24B49/12 主分类号 B24B37/10
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