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    • 11. 发明授权
    • Optical recording method, optical recording apparatus and optical storage medium
    • 光记录方法,光记录装置和光存储介质
    • US07376065B2
    • 2008-05-20
    • US11044844
    • 2005-01-27
    • Hiroshi TabataIkuo MatsumotoKenji TokuiKazuo YoneharaKenichi Shimomai
    • Hiroshi TabataIkuo MatsumotoKenji TokuiKazuo YoneharaKenichi Shimomai
    • G11B7/00
    • G11B7/0062G11B7/1267
    • Information to be recorded is recorded in a recording layer of a phase-change optical storage medium. The information to be recorded is modulated to generate modulated data. Desired mark-length data is generated based on the modulated data. Generated further based on the mark-length data is a recording pulse pattern of recording pulses rising from an erasing power and formed between a recording power larger than the erasing power and a bottom power smaller than the erasing power and of erasing pulses rising from the bottom power to the erasing power. A recording light beam is then irradiated onto the recording layer in accordance with the recording pulse pattern to record at least one recorded mark representing the information to be recorded. Used in recording is an optimum erasing power, as the erasing power, the optimum erasing power satisfying an expression (1): 1.000
    • 要记录的信息被记录在相变光存储介质的记录层中。 要记录的信息被调制以产生调制数据。 基于调制数据生成所需的标记长度数据。 基于标记长度数据进一步产生的是从擦除功率上升并形成在大于擦除功率的记录功率和小于擦除功率的底部功率之间并且从底部上升的擦除脉冲的记录脉冲的记录脉冲模式 电力消耗电力。 然后根据记录脉冲图案将记录光束照射到记录层上,以记录表示要记录的信息的至少一个记录标记。 记录中使用的是最佳擦除功率,作为擦除功率,最佳擦除功率满足表达式(1):1.000 <(R 1 / R 0)<1.030。 。 。 (1)其中R 0是由再现光束照射时没有记录数据的记录层的未记录部分表现出的反射率,R 1是未再记录的反射率, 当用具有擦除功率的光束照射一次后,用再现光束照射时的记录部分。
    • 13. 发明申请
    • Optical recording method, optical recording apparatus and optical storage medium
    • 光记录方法,光记录装置和光存储介质
    • US20050213461A1
    • 2005-09-29
    • US11044844
    • 2005-01-27
    • Hiroshi TabataIkuo MatsumotoKenji TokuiKazuo YoneharaKenichi Shimomai
    • Hiroshi TabataIkuo MatsumotoKenji TokuiKazuo YoneharaKenichi Shimomai
    • G11B7/00G11B7/0045G11B7/005G11B7/0055G11B7/006G11B7/125
    • G11B7/0062G11B7/1267
    • Information to be recorded is recorded in a recording layer of a phase-change optical storage medium. The information to be recorded is modulated to generate modulated data. Desired mark-length data is generated based on the modulated data. Generated further based on the mark-length data is a recording pulse pattern of recording pulses rising from an erasing power and formed between a recording power larger than the erasing power and a bottom power smaller than the erasing power and of erasing pulses rising from the bottom power to the erasing power. A recording light beam is then irradiated onto the recording layer in accordance with the recording pulse pattern to record at least one recorded mark representing the information to be recorded. Used in recording is an optimum erasing power, as the erasing power, the optimum erasing power satisfying an expression (1): 1.000
    • 要记录的信息被记录在相变光存储介质的记录层中。 要记录的信息被调制以产生调制数据。 基于调制数据生成所需的标记长度数据。 基于标记长度数据进一步产生的是从擦除功率上升并形成在大于擦除功率的记录功率和小于擦除功率的底部功率之间并且从底部上升的擦除脉冲的记录脉冲的记录脉冲模式 电力消耗电力。 然后根据记录脉冲图案将记录光束照射到记录层上,以记录表示要记录的信息的至少一个记录标记。 记录中使用的是最佳擦除功率,作为擦除功率,最佳擦除功率满足表达式(1):1.000 <(R1 / R0)<1.030。 。 。 (1)其中R0是由再现光束照射时没有记录数据的记录层的未记录部分表现出的反射率,R1是由未记录部分表现的反射率 当用具有擦除功率的光束照射一次后,用再现光束照射。
    • 17. 发明申请
    • Optical recording apparatus, optical recording method and optical storage medium
    • US20070159947A1
    • 2007-07-12
    • US11650680
    • 2007-01-08
    • Ikuo Matsumoto
    • Ikuo Matsumoto
    • G11B20/10
    • G11B20/1217G11B2020/1275G11B2220/237G11B2220/2537
    • First identification data and second identification data are read out from a phase-change optical storage medium having a light-incident surface through which a light beam is to be incident and at least a first film-laminated layer structure and a second film-laminated layer structure provided over the surface in which the first structure is provided as closer to the surface than the second structure is. Each structure has at least a recording film. The data indicates first recording requirements to the first structure. The second data indicates second recording requirements to the second structure. The first and second requirements are different from each other. Given data to be recorded is modulated into modulated data. A data-recording signal having at least one mark followed by a space is generated based on the modulated data. The mark has a mark length nT (“T” being a unit dock cycle, and “n” being a positive integer of 3 or larger but 14 or smaller). Recording is controlled as to whether to record the data to the first or the second structure based on the first and second data. A first recording pulse sequence is generated based on the first requirements when the controller controls recording so that the data is recorded to the first structure. A second recording pulse sequence is generated based on the second requirements when the controller controls recording so that the data is recorded to the second structure. The first sequence has an (n−1)-number of recording pulses with a power corresponding to the mark length nT and additional pulses with a power that are generated for a period of the space and follow the recording pulses. The second sequence has an n/2-number of recording pulses with a corresponding to the mark length nT when “n” is an even number whereas having an (n−1)/2-number of recording pulses with a power corresponding to the mark length nT when “n” is an odd number. The data is recorded to the first and second structures with the light beam driven with the first and second sequences, respectively.
    • 18. 发明申请
    • Optical storage medium and optical recording method
    • 光存储介质和光记录方法
    • US20060280111A1
    • 2006-12-14
    • US11451003
    • 2006-06-12
    • Ikuo MatsumotoKenji TokuiHiroshi Tabata
    • Ikuo MatsumotoKenji TokuiHiroshi Tabata
    • G11B3/70G11B7/00
    • G11B7/24038G11B7/00454
    • Data is recorded in an optical storage medium with a beam having a wavelength in a 650-nm band. The medium has a substrate, a first laminated layer structure formed on the substrate and having at least a first reflective film and a first recording film, and a second laminated layer structure formed over the first structure and having at least a second reflective film and a second recording film. The data is recorded in at least one of specific sections of the first recording film, with a beam having a wavelength in a 650-nm band and a beam spot having a specific area. The first structure satisfies requirements Tc≦Tr≦60% and 9%≦Rr≦Rc≦15% wherein Tc and Rc are a transmissivity and a reflectivity, respectively, of the first structure when the first recording film has no data recorded therein after initialized, and Tr and Rr are a transmissivity and a reflectivity, respectively, of the first structure when the first recording film has the data recorded therein. The transmissivity Tc and the reflectivity Rc, and the transmissivity Tr and the reflectivity Rr are exhibited by the first structure when the beam is emitted thereto through the substrate as a parallel beam having a sectional area in a direction orthogonal to another direction in which the beam travels. The sectional area is larger than the specific area. Data is recorded in the second recording film through the substrate and the data-recorded specific section of the first recording film. The second structure exhibits a reflectivity of 5% or higher but 10% or lower when the beam is focused onto the second recording film, as having the beam spot having the specific area, through the substrate and the first structure, and when the first recording film has the data recorded therein.
    • 数据被记录在具有波长为650nm波段的波束的光学存储介质中。 所述介质具有基板,形成在所述基板上并具有至少第一反射膜和第一记录膜的第一层叠层结构和形成在所述第一结构上的第二层叠层结构,并且至少具有第二反射膜和 第二录影片。 数据被记录在第一记录膜的特定部分中的至少一个中,具有650nm波长的波束和具有特定面积的束斑。 第一结构满足要求Tc <= Tr <= 60%和9%<= Rr <= Rc <= 15%其中,当第一记录膜没有时,第一结构的Tc和Rc分别是透射率和反射率 在初始化之后记录在其中的数据,并且当第一记录膜具有记录在其中的数据时,Tr和Rr分别是第一结构的透射率和反射率。 透射率Tc和反射率Rc以及透射率Tr和反射率Rr通过第一结构表现出,当光束通过衬底发射时,作为平行光束,其具有与另一方向垂直的方向的平行光束,其中光束 旅行。 截面积大于特定面积。 通过基板和第一记录膜的数据记录特定部分将数据记录在第二记录膜中。 第二结构通过基板和第一结构将光束聚焦到第二记录膜上时具有5%以上但10%以下的反射率,具有特定面积的光束点,当第一记录 电影中记录有数据。