| 发明名称 |
Frusto-conical magnetic recording disc |
| 摘要 |
An object of the invention is to provide a flexible disc having a frusto-conical recording surface. The disc is bistable allowing access to both sides, and is well suited for data storage in computer and data processing systems. It may be used either singularly or collectively in disc packs.
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| 申请公布号 |
US4208683(A) |
申请公布日期 |
1980.06.17 |
| 申请号 |
US19780969137 |
申请日期 |
1978.12.13 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORP |
发明人 |
KLECZKOWSKI, STAWOMIR P |
| 分类号 |
G11B5/82;G11B17/02;(IPC1-7):G11B5/01 |
主分类号 |
G11B5/82 |
| 代理机构 |
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