发明名称 Wafer chuck
摘要 The influence of the slurry generated when polishing an orientation notch and the like is minimized. The holding members 10, 20 for holding the outer periphery of the wafer W and the driving mechanism 30 for driving the holding members 10, 20 all together in the closing direction are integrally combined.
申请公布号 US2006084371(A1) 申请公布日期 2006.04.20
申请号 US20050241928 申请日期 2005.10.04
申请人 YOSHIDA TAKASHI;MURAKAMI SHINICHI;ITOU HIROYUKI 发明人 YOSHIDA TAKASHI;MURAKAMI SHINICHI;ITOU HIROYUKI
分类号 B24B47/00 主分类号 B24B47/00
代理机构 代理人
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