| 发明名称 |
Method of manufacturing a magnetic disk substrate of titanium. |
| 摘要 |
<p>A method of manufacturing a magnetic disk substrate made of titanium, in which chemical etching is performed on a titanium disk for magnetic disk substrate, thereby removing a surface portion thereof having a thickness of at least 2 nm, and the new surface of the titanium disk, formed by the chemical etching, is anodized, thereby forming anodized film on the titanium disk. <IMAGE></p> |
| 申请公布号 |
EP0555512(A1) |
申请公布日期 |
1993.08.18 |
| 申请号 |
EP19920107168 |
申请日期 |
1992.04.27 |
| 申请人 |
NKK CORPORATION |
发明人 |
OKANO, YOKO;SUENAGA, HIROYOSHI;SAKIYAMA, TOSHIO;MORITA, KENJI;OHMURA, MASANORI;IDA, IWAO;NAGASHIMA, HITOSHI |
| 分类号 |
C25D11/26;G11B5/84 |
主分类号 |
C25D11/26 |
| 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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