| 发明名称 |
Optical recording medium and process for producing the same |
| 摘要 |
<p>An optical recording medium has tracking tracks and recording tracks interposed between the tracking tracks. The width of the recording tracks in a specific region is larger than that in other region. <IMAGE></p> |
| 申请公布号 |
EP0479577(B1) |
申请公布日期 |
1997.09.03 |
| 申请号 |
EP19910309048 |
申请日期 |
1991.10.02 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OMATA, HIROSHI |
| 分类号 |
G11B7/007;G11B7/26;G11B11/105;(IPC1-7):G11B7/007 |
主分类号 |
G11B7/007 |
| 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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