| 发明名称 |
Optical recording medium and optical recording method |
| 摘要 |
An optical recording medium records information so that a recording density of a first recording layer 11 at the most distant part from a incidence plane of laser beam is higher than that of a second recording layer 13 at the incidence plane side.
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| 申请公布号 |
US2004033328(A1) |
申请公布日期 |
2004.02.19 |
| 申请号 |
US20030439189 |
申请日期 |
2003.05.16 |
| 申请人 |
PIONEER CORPORATION |
发明人 |
YAMAGUCHI MASATAKA |
| 分类号 |
G11B7/0045;G11B7/007;G11B7/24;(IPC1-7):B32B3/02 |
主分类号 |
G11B7/0045 |
| 代理机构 |
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代理人 |
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| 地址 |
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