发明名称 |
Hybrid optical disc |
摘要 |
<p>A hybrid optical recording disc having a substrate and a recording layer disposed over the substrate, the substrate having a read-only (ROM) area in which a groove is modulated by depressions in the substrate and a recordable area in which the groove from the read-only area extends into the substrate in the recordable area, the groove in the read-only area forming wobbling tracks having a depth greater than 170 nm. <IMAGE></p> |
申请公布号 |
EP1058242(A2) |
申请公布日期 |
2000.12.06 |
申请号 |
EP20000201796 |
申请日期 |
2000.05.22 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
HA, BRUCE;BARNARD, JAMES ARTHUR;BURGO, THOMAS CHARLES |
分类号 |
G11B7/24;G11B7/007;(IPC1-7):G11B7/007 |
主分类号 |
G11B7/24 |
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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