发明名称 Polishing apparatus and method
摘要 A polishing apparatus including a turntable having an upper polishing surface, at least one carrier for carrying an article with a surface to be polished in such a manner that the surface is engaged with the upper polishing surface of the turntable, and at least one slurry supply nozzle provided for the carrier and adapted to supply a slurry on the polishing surface of the turntable at a predetermined slurry supply point upstream of a line connecting the center axes of the turntable and the carrier in the direction of rotation of the turntable while the turntable and the carrier are rotated around their respective center axes with the surface of the article kept in engagement with the polishing surface. The nozzle is preferably positioned such that an angle is formed between the line connecting the center axis of the turntable and the center axis of the carrier and a line connecting the center axis of the carrier and the predetermined slurry supply point is in the range of from 5 degrees to 40 degrees.
申请公布号 US6315643(B1) 申请公布日期 2001.11.13
申请号 US19990344495 申请日期 1999.06.25
申请人 EBARA CORPORATION 发明人 HIYAMA HIROKUNI;MAEKAWA SEIYO;WADA YUTAKA
分类号 B24B55/02;B24B37/00;B24B37/04;B24B37/12;B24B57/02;(IPC1-7):B24B1/00 主分类号 B24B55/02
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