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    • 97. 发明授权
    • Recording apparatus, recording method, and sparing destination selecting method
    • 记录装置,记录方法和备用目的地选择方法
    • US08787133B2
    • 2014-07-22
    • US13917698
    • 2013-06-14
    • Sony Corporation
    • Tomotaka Kuraoka
    • G11B7/00G11C29/00
    • G11B7/007G11B7/00736G11B7/2405G11B20/1883G11B20/1889G11B2007/0013G11B2020/1896
    • A recording apparatus includes: a recording unit to record information by laser irradiation on a recording medium having multiple recording layers where information is recorded, with a track formed in the layers as a continuous recording area and data recorded within a track, and also multiple tracks set to one layer according to recording purpose; and a control unit to determine a sparing destination where information is recorded on a recording position specified according to a recording request, and if sparing processing occurs, as a first priority the next recording address of a track being recorded is selected as a sparing destination, and as a second priority the next recording address of a track overlapped with a track where recording is performed according to the recording request in a layering direction of the layers is selected as a sparing destination, and to cause the recording unit to execute sparing recording.
    • 记录装置包括:记录单元,其通过激光照射将信息记录在具有记录信息的多个记录层的记录介质上,其中形成在层中的轨道作为连续记录区域和记录在轨道内的数据,以及多个轨道 根据记录目的设置一层; 以及控制单元,用于确定信息被记录在根据记录请求指定的记录位置上的备用目的地,并且如果发生备用处理,则作为第一优先级,选择要记录的轨道的下一记录地址作为备用目的地, 并且作为第二优先级,选择与根据层的分层方向上的记录请求执行记录的轨道重叠的轨道的下一记录地址作为备用目的地,并使记录单元执行备用记录。
    • 100. 发明授权
    • Optical information recording medium and method for manufacturing same
    • 光学信息记录介质及其制造方法
    • US08644126B2
    • 2014-02-04
    • US13739604
    • 2013-01-11
    • FUJIFILM Corporation
    • Toshiyuki Kitahara
    • G11B7/24
    • G11B7/2403B82Y10/00G11B7/24038G11B7/2405G11B7/24067G11B7/245G11B7/246G11B7/2472G11B7/2475G11B7/2478G11B7/248G11B7/266
    • Optical information recording medium 10 comprises: a plurality of recording layers 14 which undergo a change in refractive index by irradiation with recording beam; and an intermediate layer 15 provided between the recording layers 14. The intermediate layer 15 includes first intermediate layer 15A disposed adjacent to a recording layer 14 at a side opposite to an incident side from which recording beam enters the recording layer, and second intermediate layer 15B disposed adjacent to a recording layer 14 at an incident side from which the recording beam enters the recording layer. The first intermediate layer 15A and the recording layer 14 have different refractive indices, whereas the second intermediate layer 15B and the recording layer 14 have substantially the same refractive index. The first and the second intermediate layer 15A, 15B are merged with each other at an interface therebetween, whereby refractive index gradually changes at the interface.
    • 光信息记录介质10包括:多个记录层14,其通过用记录光束照射而经历折射率变化; 以及设置在记录层14之间的中间层15.中间层15包括在与记录光束进入记录层的入射侧相对的一侧与记录层14相邻设置的第一中间层15A,以及第二中间层15B 在记录光束进入记录层的入射侧与记录层14相邻设置。 第一中间层15A和记录层14具有不同的折射率,而第二中间层15B和记录层14具有基本上相同的折射率。 第一和第二中间层15A,15B在它们之间的界面处彼此合并,由此折射率在界面处逐渐变化。