| 发明名称 |
MAGNETIC RECORDING MEDIUM AND METHOD OF PRODUCING SUCH A MEDIUM |
| 摘要 |
A rigid magnetic recording disk is produced by forming a liquid mixture of magnetic (eg ferric oxide) particles and polyethersulfone, solidifying the mixture and then shredding it into pellets and finally injection moulding the pellets to form the disk. |
| 申请公布号 |
DE3368139(D1) |
申请公布日期 |
1987.01.15 |
| 申请号 |
DE19833368139 |
申请日期 |
1983.08.09 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
MACAR, HAIK;TRAEG, HANS |
| 分类号 |
G11B5/82;C09D5/23;C09D181/00;C09D181/06;G11B5/68;G11B5/842;G11B5/848;(IPC1-7):G11B5/84;G11B5/62;H01F1/26 |
主分类号 |
G11B5/82 |
| 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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