发明名称 SUPPLYING DEVICE FOR SLURRY
摘要 PROBLEM TO BE SOLVED: To mix slurry well and to freely manage a mixing ratio of the slurry. SOLUTION: The supplying device for slurry for supplying to a CMP polishing device is provided with an abrasive grain liquid supplying system supplied from an abrasive grain liquid tank 10 and an addition solution supplying system supplied from an addition solution tank 11. The abrasive grain liquid and the addition solution from both supplying systems are combined and they are poured into a mixer 14 and sufficiently mixed to obtain a slurry immediately before they are supplied to an abrasive surface plate 22 and thereafter, the slurry is supplied to the abrasive surface plate 22.
申请公布号 JP2000202774(A) 申请公布日期 2000.07.25
申请号 JP19990008734 申请日期 1999.01.18
申请人 TOKYO SEIMITSU CO LTD 发明人 NUMAMOTO MINORU
分类号 B24B57/02;B24B37/00;B24B37/015;H01L21/304 主分类号 B24B57/02
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