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    • 4. 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。
    • 5. 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。
    • 6. 发明授权
    • Optical recording medium
    • 光记录介质
    • US06716507B2
    • 2004-04-06
    • US09996995
    • 2001-11-30
    • Hiroshi Tabata
    • Hiroshi Tabata
    • B32B302
    • G11B7/252G11B7/2403G11B7/24067G11B7/243G11B7/2531G11B7/2533G11B7/257Y10T428/21
    • An optical recording medium 10 comprises a substrate 1, first protective layer 2, interfacial layer 3, recording layer 4, second protective layer 5, light absorbing and heat generating layer 6, third protective layer 7, reflection layer 8 and a protective film 9 laminated in order. The light absorbing and heat generating layer 6 is a metal layer or an alloy layer containing more than one element out of Ge, Sn, Pb, Cr, Ti, In, Si, Cd, Se, W, Mo, Zr, Nb, Zn and Hf, so that a reflectivity of the optical recording medium 10 and an optical modulation factor, which is an optical modulation factor in a phase changing state of crystalline or amorphous, in the recording layer 4 can be always maintained in high. Accordingly, a recording sensitivity of the recording layer 4 in the optical recording medium 10 can be increased without deteriorating a characteristic such as reflectivity and jitter.
    • 光记录介质10包括基板1,第一保护层2,界面层3,记录层4,第二保护层5,光吸收和发热层6,第三保护层7,反射层8和层叠的保护膜9 为了。 光吸收发热层6是含有Ge,Sn,Pb,Cr,Ti,In,Si,Cd,Se,W,Mo,Zr,Nb,Zn中的多于一种元素的金属层或合金层 和Hf,使得记录层4中的光学记录介质10的反射率和作为晶体或非晶体的相变状态的光学调制因子的光学调制因子能够始终保持高。 因此,可以增加记录层4在光记录介质10中的记录灵敏度,而不会降低反射率和抖动等特性。