| 发明名称 |
Information recording medium with index header |
| 摘要 |
A disk-shaped information recording medium has spiral tracks in which land- and groove-shaped tracks are alternately switched in units of rounds, and one index header which is aligned in the radial direction of a disk and is allocated at only the boundary between the land- and groove-shaped tracks.
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| 申请公布号 |
US6898171(B1) |
申请公布日期 |
2005.05.24 |
| 申请号 |
US20000721763 |
申请日期 |
2000.11.27 |
| 申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
SUGAYA TOSHIHIRO;HASEGAWA HIROSHI |
| 分类号 |
G11B20/12;G11B7/007;G11B27/24;(IPC1-7):B11B7/24 |
主分类号 |
G11B20/12 |
| 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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