| 发明名称 |
MAGNETISIERBARES AUFZEICHNUNGSMEDIUM UND VERFAHREN ZU SEINER HERSTELLUNG |
| 摘要 |
Environmentally stable magnetic recording medium comprising fine metal particles based on iron, cobalt, or nickel dispersed in a nonmagnetizable binder material, the particles having a chromium-based outer layer formed by exposing the particles to a solution containing dichromate or chromate ions under high-shear mixing conditions. |
| 申请公布号 |
ATA440673(A) |
申请公布日期 |
1979.08.15 |
| 申请号 |
AT19730004406 |
申请日期 |
1973.05.21 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
|
| 分类号 |
B22F1/00;B22F1/02;C01G37/027;C09D5/23;C09D7/12;G11B5/706;G11B5/712;H01F1/06;(IPC1-7):G11B5/64 |
主分类号 |
B22F1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
