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    • 2. 发明申请
    • DUAL-STACK OPTICAL DATA STORAGE MEDIUM FOR WRITE ONCE RECORDING
    • 用于写一次记录的双层光数据存储介质
    • WO2005036536A2
    • 2005-04-21
    • PCT/IB2004/051994
    • 2004-10-06
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.MARTENS, Hubert, C., F.TIEKE, BennoWOERLEE, Pierre, H.VAN DEN OETELAAR, Ronald, J., A.KOPPERS, Wilhelmus, R.
    • MARTENS, Hubert, C., F.TIEKE, BennoWOERLEE, Pierre, H.VAN DEN OETELAAR, Ronald, J., A.KOPPERS, Wilhelmus, R.
    • G11B7/00
    • G11B7/24038
    • A dual-stack optical data storage medium (10) for write-once recording using a focused radiation beam (9) having a wavelength λ of approximately 655 nm is described. The radiation beam enters through an entrance face (8) of the medium (10) during recording. The medium comprises at least one substrate (1, 7) with present on a side thereof:­ a first recording stack (6), named L0, comprising a write-once type L0 recording layer, said first recording stack L0 having an optical reflection value R L0 and an optical transmission value T L0 , a second recording stack (3), named L1, comprising a write-once type L1 recording layer, said second recording stack L1 having an effective optical reflection value R Lleff . The first recording stack (6) is present at a position closer to the entrance face (8) than the second recording stack. (3). A transparent spacer layer (4) is sandwiched between the recording stacks (3, 6). The reflection values R L0 and R L1 eff are within the following ranges: 0.12 ≤ R L0 ≤ 0.18 and 0.12≤ R L1eff ≤ 0.18 by which an improved sensitivity of the dual stack medium is achieved.
    • 描述了使用具有大约655nm的波长λ的聚焦辐射束(9)进行一次写入记录的双层光学数据存储介质(10)。 在记录期间,辐射束通过介质(10)的入射面(8)进入。 所述介质包括至少一个其一侧的基板(1,7);一个名为L0的第一记录堆叠(6),包括一次写入式L0记录层,所述第一记录堆叠L0具有光学反射值 RL0和光传输值TL0,称为L1的第二记录堆叠(3),包括一次写入型L1记录层,所述第二记录堆叠L1具有有效光反射值RLleff。 第一记录堆叠(6)存在于比第二记录堆叠更靠近入口面(8)的位置。 (3)。 透明间隔层(4)夹在记录叠层(3,6)之间。 反射值RL0和RL1 eff在以下范围内:0.12 <= RL0 <= 0.18和0.12 <= RL1eff <= 0.18,由此获得双堆叠介质的改进的灵敏度。
    • 9. 发明申请
    • MULTI-STACK OPTICAL DATA STORAGE MEDIUM AND USE OF SUCH MEDIUM
    • 多堆叠光学数据存储介质和这种介质的使用
    • WO2004021336A2
    • 2004-03-11
    • PCT/IB2003/003760
    • 2003-08-14
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN DEN OETELAAR, Ronald, J., A.MARTENS, Hubert, C., F.
    • VAN DEN OETELAAR, Ronald, J., A.MARTENS, Hubert, C., F.
    • G11B7/00
    • G11B7/24038G11B7/00455G11B7/24G11B7/24062G11B7/246G11B2007/0013G11B2220/235G11B2220/2562
    • A multi-stack optical data storage medium (30) for recording using a focused radiation beam (40) having a wavelength ? and entering through an entrance face (41) of the medium (30) is described. It has a first substrate (31a) with present on a side thereof a first recording stack (33) named L0, comprising a recordable type L0 recording layer (35), and formed in a first L0 guide groove (38). The L0 recording layer (35) has a thickness dL0G in the groove (38) and a thickness dL0L adjacent the groove (38). A second substrate (31b) has present on a side thereof a second recording stack (32) named L1 comprising a recordable type L1 recording layer (34). The L1 recording layer has a thickness dL1G in the groove and a thickness dL1L adjacent the groove. The second recording stack (32) is present at a position closer to the entrance face (41) than the L0 recording stack (33) and is formed in a second L1 guide groove (37). The depth of the first L0 guide groove (38) is smaller than 0.15? and dL0L is substantially equal to or larger than dL1G by which it is achieved that the L0 stack (33) has a reflection level and a modulation level of recorded marks compatible with the dual layer DVD-ROM specification.
    • 用于使用具有波长λ的聚焦辐射束(40)进行记录的多叠层光学数据存储介质(30) 并描述通过介质(30)的入口面(41)进入。 它具有第一基片(31a),在第一基片(31a)的一侧有一个名为L0的第一记录叠层(33),它包括一个可记录型L0记录层(35),并形成在第一L0导槽(38)中。 L0记录层(35)在凹槽(38)中具有厚度dL0G并且在凹槽(38)附近具有厚度dL0L。 第二基板(31b)在其一侧上具有称为L1的第二记录叠层(32),该第二记录叠层包括可记录型L1记录层(34)。 L1记录层在凹槽中具有厚度dL1G并且在凹槽附近具有厚度dL1L。 第二记录叠层32存在于比L0记录叠层33更靠近入射面41的位置并且形成在第二L1引导槽37中。 第一L0导槽(38)的深度小于0.15? 并且dL0L基本上等于或大于dL1G,由此实现了L0堆叠(33)具有与双层DVD-ROM规范兼容的记录标记的反射电平和调制电平。
    • 10. 发明申请
    • DUAL STACK OPTICAL DATA STORAGE MEDIUM
    • 双层光数据存储介质
    • WO2003083851A1
    • 2003-10-09
    • PCT/IB2003/001290
    • 2003-04-01
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN DEN OETELAAR, Ronald, J., A.MARTENS, Hubert, C., F.
    • VAN DEN OETELAAR, Ronald, J., A.MARTENS, Hubert, C., F.
    • G11B7/24
    • G11B7/24038G11B7/0079
    • A dual stack optical data storage medium (30) for recording and reading by means of a focused radiation beam (29) is described. The beam enters the medium (30) through a first radiation beam entrance face (21 ). The medium has at least a first substrate (la) with on at least one side of the first substrate (la) a first layer stack (2), comprising a first information layer (3), a second layer stack (5), comprising a second information layer (6) and a first transparent spacer layer (4) between the first layer stack (2) and the second layer stack The first layer stack (2) is present at a position closer to the first radiation beam entrance face (21) than the second layer stack (5). The first information layer (3) is one selected from the group of types consisting of a read only layer and a write once layer, and 10 the second information layer (6) is one selected from the group of types consisting of a read only layer, a write once layer and a rewritable layer. The type of the first information layer (3) is different from the type of the second information layer (6). Compatibility of the medium with read only standards is achieved while the advantages of writability and . erasability are maintained. Double sided versions of the medium are also described having a 15 third and fourth layer stack (7, 10).
    • 描述了通过聚焦辐射束(29)进行记录和读取的双层光学数据存储介质(30)。 光束通过第一辐射光束入射面(21)进入介质(30)。 所述介质具有至少第一衬底(1a),所述第一衬底(1a)在所述第一衬底(1a)的至少一侧上具有第一层叠层(2),所述第一层堆叠(2)包括第一信息层(3),第二层堆叠(5) 在第一层堆叠(2)和第二层堆叠之间的第二信息层(6)和第一透明间隔层(4)。第一层堆叠(2)存在于更靠近第一辐射束入射面 21)比第二层堆叠(5)。 第一信息层(3)是从只读层和写一层组成的类型组中选择的第一信息层(10),第二信息层(6)是从由只读层 ,一次写入层和可重写层。 第一信息层(3)的类型与第二信息层(6)的类型不同。 介质与只读标准的兼容性实现了可编写性的优点。 维持可擦除性。 还描述了具有15个第三和第四层堆叠(7,10)的介质的双面版本。