发明名称 |
Abrasive composition and process for polishing |
摘要 |
An abrasive composition comprising: an aluminous abrasive, preferably having an average particle size of 0.5-10 mu m and a concentration of 1 to 25% by weight; nickel sulfamate, preferably having a concentration of 0.5 to 10% by weight; and water, the composition preferably having a pH of 4 to 7. This abrasive composition produces a superior effect when used for polishing an aluminum-based substrate for a magnetic recording disc.
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申请公布号 |
US4883502(A) |
申请公布日期 |
1989.11.28 |
申请号 |
US19880255897 |
申请日期 |
1988.10.11 |
申请人 |
SHOWA DENKO KABUSHIKI KAISHA |
发明人 |
MIYAZAKI, KUNIHIRO;ISHITOBI, KEN |
分类号 |
B24B37/00;C09G1/02;C09K3/14;C23F3/00;H01L21/304 |
主分类号 |
B24B37/00 |
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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