| 发明名称 |
CYLINDRICAL OPTICAL DATA MEMORY |
| 摘要 |
A data storage medium includes an optical information carrier comprising a spiral-wound polymer film. The central area of the data storage medium is provided with a recess whose periphery is formed by the innermost winding of the polymer film. |
| 申请公布号 |
EP1194926(A1) |
申请公布日期 |
2002.04.10 |
| 申请号 |
EP20000936784 |
申请日期 |
2000.05.23 |
| 申请人 |
TESA AG |
发明人 |
LEIBER, JOERN;MUESSIG, BERNHARD;STADLER, STEFAN |
| 分类号 |
G11B7/0025;G11B7/0045;G11B7/005;G11B7/24;G11B7/245;G11B7/253;G11B7/26;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/0025 |
| 代理机构 |
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