| 发明名称 |
Optical recording medium, its production method, and recording method of the optical recording medium |
| 摘要 |
The present invention relates to hybrid optical recording medium having a ROM portion dedicated to reproduction and a recordable portion in which writing is possible. In one embodiment, a dual-layer optical recording medium is disclosed. |
| 申请公布号 |
EP1650748(A1) |
申请公布日期 |
2006.04.26 |
| 申请号 |
EP20050020369 |
申请日期 |
2005.09.19 |
| 申请人 |
RICOH COMPANY, LTD. |
发明人 |
YASHIRO, TOHRU |
| 分类号 |
G11B7/007;G11B7/24;G11B7/24038;G11B7/24079;G11B7/24085;G11B7/241;G11B7/246;G11B7/2467;G11B7/249;G11B7/253;G11B7/2534;G11B7/257;G11B7/2578;G11B7/258;G11B7/259 |
主分类号 |
G11B7/007 |
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