| 发明名称 |
Production of magnetic particles from - water soluble salts |
| 摘要 |
<p>Salt or salt mixture of Fe, Co, Ni are mixed with phthalate ions in dialkylsulphoxide bath. Metal phthalate is precipitated by adding water, isolated, and heated in oxidising or reducing atmosphere.</p> |
| 申请公布号 |
DE2001482(A1) |
申请公布日期 |
1970.07.23 |
| 申请号 |
DE19702001482 |
申请日期 |
1970.01.14 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORP. |
发明人 |
SAMUEL HAINES,ROBERT;KENNETH JOHNSTON II,HAROLD |
| 分类号 |
G11B5/706;H01F1/06 |
主分类号 |
G11B5/706 |
| 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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