发明名称 POLISHING MEMBER
摘要 PROBLEM TO BE SOLVED: To provide a polishing member polishing a polished object with a narrow recessed part such as a notch part, without needing a complicated mechanism. SOLUTION: This polishing member 5 of disk shape has a polishing part at least at a peripheral edge part which is uneven with respect to a thickness direction. The unevenness exist on both faces of the disk. The unevenness is formed in such a manner that if one of both faces is projecting, the other is recessed, and if one is recessed, the other is projecting. The polishing member 5 has a sheet member 6 having the polishing part, and a pair of shape holding members 7a, 7b giving unevenness in a thickness direction by holding the sheet member 6 from both sides. The pair of shape holding members 7a, 7b have unevenness in the facing surfaces, and the recess of one shape holding member coincides with the projection of the other shape holding member. In the same way, the projection of one shape holding member coincides with the recess of the other shape holding member. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005074607(A) 申请公布日期 2005.03.24
申请号 JP20030310958 申请日期 2003.09.03
申请人 HITACHI ZOSEN CORP 发明人 KAWAMITSU YASUSHI
分类号 B24B9/00;B24B29/00;H01L21/304;(IPC1-7):B24B9/00 主分类号 B24B9/00
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