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    • 8. 发明公开
    • 고 트랙밀도 초 분해능 광자기 롬 매체
    • 高跟踪密度超分辨率MO-ROM介质
    • KR1020050054990A
    • 2005-06-10
    • KR1020057005692
    • 2003-09-12
    • 코닌클리케 필립스 엔.브이.
    • 페르슈렌코엔에이.반소메렌,보브
    • G11B7/007
    • G11B7/00718G11B7/0901G11B7/0938G11B7/24079G11B11/10515G11B11/10576G11B11/10578G11B11/10584
    • 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.
    • 本发明涉及一种具有小轨道宽度的MO-ROM介质,其中至少在盘的一侧记录数据,其中数据侧在衬底上至少记录了所述数据的记录层,并且至少读取 输出层,用于在读出期间再现记录在所述记录层中的所述数据。 记录的数据被布置在所述盘上的相邻数据轨道内,并且数据轨道内的记录密度超过聚焦光学器件的衍射受限密度。 通过以数个相邻数据磁道的组的数据磁道的排列,其中数据磁道组内的磁道宽度至少小于聚焦光学器件的衍射极限,并提供用于使用所述读出跟踪所选数据磁道组的参考装置 可以通过调整径向跟踪单元内的适当偏移值来读取每个数据轨道组的特定数据轨道的激光束。