发明名称 |
HIGH TRACK DENSITY SUPER RESOLUTION MO-ROM MEDIUM |
摘要 |
The invention relates to a MO-ROM medium with a small track width, wherein data is recorded at least on one side of a disk wherein a data side has on a substrate at least a recording layer wherein said data is recorded and at least a read-out layer to reproduce said data recorded in said recording layer during read-out. Recorded data is arranged within adjacent data tracks on said disk and a recording density within a data track is beyond the diffraction limited density of the focussing optics. By arrangement of the data tracks in groups of several adjacent data tracks wherein a track width within a data track group is at least less than the diffraction limit of the focussing optics and providing reference means for tracking a selected data track group with said read-out laser beam a specific data track of each data track group can be read-out by adjusting a proper offset value within the radial tracking unit. |
申请公布号 |
AU2003260842(A1) |
申请公布日期 |
2004.04.23 |
申请号 |
AU20030260842 |
申请日期 |
2003.09.12 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
COEN, A. VERSCHUREN;BOB VAN SOMEREN |
分类号 |
G11B7/007;G11B7/24;(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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