发明名称 DRESSING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To efficiently regenerate a polishing face by easily and surely flattening irregularity on the polishing face even of there is the irregularity on the polishing face. <P>SOLUTION: This dressing device has a dresser 36 for dressing the polishing face 16a of a polishing table 10 relatively sliding on the polished face of polished materials to polish the polished face in a flat and mirror manner. This device has sensors 44a, 44b each directly and indirectly sensing an abrasion load acting between the polishing face 16a and the dresser 36 at the time of dressing the polishing face 16a, and determination means 46, 48 each determining a dressing progressing status according to outputs of the sensors 44a, 44b. <P>COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2006272549(A) 申请公布日期 2006.10.12
申请号 JP20060199764 申请日期 2006.07.21
申请人 EBARA CORP 发明人 WAKABAYASHI SATOSHI;YAMAGUCHI KUNIAKI;TOGAWA TETSUJI;TAKADA NOBUYUKI;NABEYA OSAMU
分类号 B24B53/00;B24B37/00;B24B53/017;B24B53/02;H01L21/304 主分类号 B24B53/00
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