发明名称 POLISHING METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide a polishing method capable of reducing scratches on a surface of a polishing object by effectively removing large abrasive grains grown on surfaces of fixed abrasive grains by dressing and preventing contamination of the polishing object by removing the abrasive grains attached on the surface of the polishing object after polishing. <P>SOLUTION: A liquid or that in which inactive gas and pure water or a chemical are mixed is injected on the surfaces of the fixed abrasive grains 46a during or after dressing to grow free abrasive grains on the surfaces of the fixed abrasive grains 46a under the polishing method to polish a semiconductor wafer while sliding it by pressing it on the fixed abrasive grains 46a. <P>COPYRIGHT: (C)2003,JPO
申请公布号 JP2003251555(A) 申请公布日期 2003.09.09
申请号 JP20020378722 申请日期 2002.12.26
申请人 EBARA CORP 发明人 WADA TAKETAKA;AKATSUKA TOMOHIKO;SASAKI TATSUYA
分类号 B24B7/22;B24B37/00;B24B37/005;B24B37/32;B24B53/017;B24B53/02;H01L21/304 主分类号 B24B7/22
代理机构 代理人
主权项
地址