发明名称 |
Method of polishing the inner peripheral end surfaces of substrates for a recording medium using a brush |
摘要 |
There is provided a method of polishing the inner peripheral end surfaces of disk-like substrates for a recording medium using a brush comprising, providing a plurality of pieces of disk-like substrates having circular holes at the central portion thereof; bringing a polishing material slurry containing a polishing material into contact with the object to be polished; inserting a polishing brush into the circular hole of the object from a first side of the object to be polished, and rotating the polishing brush with the shaft as a center to polish the inner peripheral end surfaces of the substrates; and inserting the polishing brush into the circular hole of the object to be polished from a second side opposite to the first side and rotating the polishing brush with the shaft as a center axis to polish the inner peripheral end surfaces of the substrates. |
申请公布号 |
US8323071(B2) |
申请公布日期 |
2012.12.04 |
申请号 |
US20050660106 |
申请日期 |
2005.08.24 |
申请人 |
AIDA KATSUAKI;MACHIDA HIROYUKI;SHOWA DENKO K.K. |
发明人 |
AIDA KATSUAKI;MACHIDA HIROYUKI |
分类号 |
B24B1/00 |
主分类号 |
B24B1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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