发明名称 APPARATUS FOR GRINDING WAFER
摘要 A wafer polishing device is provided to reduce tact time by prevent polishing processing time from extending according to time interval among the processing. A wafer polishing device comprises a turn table(10), a rough polishing part(30), a fine polishing part(50) a polishing part(60), a polishing table(61), a polisher(62) and a buffer polishing part(40). The rough polishing part includes a roughing table(31) absorbing the wafer and a roughing wheel(32) progressing a rough process in one side of turn-table. The fine polishing part includes a fine table absorbing the wafer and a fine wheel progressing a fine process in the rear of the rough table.
申请公布号 KR20090013405(A) 申请公布日期 2009.02.05
申请号 KR20070077481 申请日期 2007.08.01
申请人 SFA ENGINEERING CORP. 发明人 KIM, SU YEON;KIM, YOUNG HUN
分类号 B24B37/04;B24B37/10;H01L21/304 主分类号 B24B37/04
代理机构 代理人
主权项
地址