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    • 2. 发明申请
    • OPTICAL RECORDING MEDIUM
    • 光学记录介质
    • US20090154331A1
    • 2009-06-18
    • US12270313
    • 2008-11-13
    • Hironori KakiuchiHideo FujiiNorihiro Jiko
    • Hironori KakiuchiHideo FujiiNorihiro Jiko
    • G11B7/00
    • G11B7/24079G11B7/00451
    • An optical recording medium of a pitting recording type, to which recording marks are formed by irradiation with a violet laser beam having a wavelength λ in the range of about 380 to about 450 nm, includes a substrate having a surface provided with guide grooves and lands, and a metal recording layer in which recording marks are formed by irradiation with a laser beam. The guide grooves and the lands meet conditions expressed by: λ/18≦DG≦λ/11   (1) 1.5≦WG/WL≦3.5   (2) Where λis the wavelength of the laser beam used for writing and reading, DG, is the depth of the grooves, WG is the width of the grooves, and WL is the width of lands formed on the substrate, and the wavelength λ is in the range of 380 to 450 nm.
    • 点蚀记录类型的光记录介质,通过用波长λ在约380至约450nm范围内的紫色激光束照射而形成记录标记的光记录介质包括具有设置有引导槽和焊盘的表面的基板 以及通过照射激光而形成记录标记的金属记录层。 引导槽和焊盘满足条件:<?in-line-formula description =“In-line Formulas”end =“lead”?> lambda / 18 <= DG <= lambda / 11(1)<?in -line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 1.5 <= WG / WL <= 3.5 (2)<?in-line-formula description =“在线公式”end =“tail”?>其中lambdais用于写入和读取的激光束的波长DG是凹槽的深度,WG是 槽的宽度,WL是形成在基板上的焊盘的宽度,波长λ在380〜450nm的范围内。
    • 5. 发明申请
    • Method and apparatus for recording data on optical recording medium
    • 在光记录介质上记录数据的方法和装置
    • US20060013097A1
    • 2006-01-19
    • US11181939
    • 2005-07-15
    • Hironori KakiuchiHiroyasu Inoue
    • Hironori KakiuchiHiroyasu Inoue
    • G11B20/10
    • G11B7/00456G11B7/2433
    • An apparatus for recording data on an optical recording medium comprising a laser beam source 51 for emitting a laser beam, an objective lens, laser power control means 52 for modulating a power of the laser beam emitted from the laser beam source like a pulse between at least a recording power and a base power having a lower level than the recording power, a memory 55, and a control unit 50 for controlling a whole operation, wherein a timing for causing the power of the laser beam to rise to be the recording power when forming a longer recording mark than the shortest recording mark on a recording layer of the optical recording medium by using a laser beam modulated by a single pulse is delayed from a timing for causing the power of the laser beam to rise to be the recording power when forming the shortest recording mark and the control unit can build a recording strategy determined to form a recording mark on the recording layer based on ID data recorded on the optical recording medium stored in the memory.
    • 一种用于在光学记录介质上记录数据的装置,包括用于发射激光束的激光束源51,物镜,激光功率控制装置52,用于调制从激光束源发射的激光束的功率, 具有比记录功率低的记录功率和基本功率的最小值,存储器55和用于控制整个操作的控制单元50,其中使激光束的功率升高为记录功率的定时 当通过使用由单个脉冲调制的激光束在光记录介质的记录层上形成比最短记录标记更长的记录标记被延迟到使激光束的功率上升到记录功率的定时 当形成最短记录标记时,控制单元可以基于记录在光学记录介质上的ID数据,在记录层上建立确定为形成记录标记的记录策略 ium存储在内存中。
    • 6. 发明申请
    • Method for recording data in optical recording medium and an apparatus for recording data in optical recording medium
    • 在光学记录介质中记录数据的方法和用于在光学记录介质中记录数据的装置
    • US20050094526A1
    • 2005-05-05
    • US10886948
    • 2004-07-07
    • Hironori KakiuchiHiroyasu Inoue
    • Hironori KakiuchiHiroyasu Inoue
    • G11B7/243G11B5/09G11B7/00G11B7/0045G11B7/007G11B7/125G11B7/24
    • G11B7/243G11B7/00456G11B7/258G11B2007/0013G11B2007/24304G11B2007/24308G11B2007/2431G11B2007/24312G11B2007/24314
    • A method for recording data in an optical recording medium according to present invention is constituted so that data are recorded in an optical recording medium including a light transmission layer and two recording layers by projecting a laser beam whose power is pulse-like modulated between a recording power and a bottom power lower than the recording power onto the optical recording medium from a side of the light transmission layer and forming recording marks having different lengths in the recording layers and that when a recording mark having a longer length than that of the shortest recording mark is to be formed in the recording layers by modulating the power of a laser beam using a single pulse, a time of raising the power of the laser beam to the recording power is delayed relative to a time of raising the power of the laser beam to the recording power when the shortest recording mark is to be formed. In the case of recording data in the optical recording medium in accordance with the thus constituted method for recording data in an optical recording medium, jitter of a reproduced signal obtained by reproducing the recorded data can be markedly reduced.
    • 根据本发明的用于在光学记录介质中记录数据的方法被构造成使得数据被记录在包括光透射层和两个记录层的光学记录介质中,该激光束的功率被脉冲式调制在记录 功率和底部功率低于从光传输层一侧到光记录介质上的记录功率,并且在记录层中形成具有不同长度的记录标记,并且当具有比最短记录长度的记录标记时 通过使用单个脉冲调制激光束的功率,将在记录层中形成标记,将激光束的功率提高到记录功率的时间相对于提高激光束的功率的时间延迟 在要形成最短记录标记时记录功率。 在根据由此构成的用于在光学记录介质中记录数据的方法在光学记录介质中记录数据的情况下,可以显着地减少通过再现记录数据而获得的再现信号的抖动。
    • 7. 发明授权
    • Optical recording medium
    • 光记录介质
    • US07781146B2
    • 2010-08-24
    • US10717831
    • 2003-11-20
    • Hironori KakiuchiHiroyasu Inoue
    • Hironori KakiuchiHiroyasu Inoue
    • G11B7/24
    • G11B7/24038G11B7/00456G11B7/243G11B7/254G11B7/257G11B7/258G11B7/2585G11B2007/24304G11B2007/2431G11B2007/24312G11B2007/24314G11B2007/25706G11B2007/25715Y10S430/146
    • An optical recording medium includes a substrate, a protective layer and a plurality of information recording layers between the substrate and the protective layer and capable of recording data in the plurality of information recording layers and reproducing data recorded in the plurality of information recording layers by projecting a laser beam via a light incidence plane constituted by one of the surfaces of the substrate and protective layer onto the plurality of information recording layers, each of the information recording layers other than a farthest information recording layer from the light incidence plane including two recording films, a first dielectric film located on the side of the light incidence plane with respect to the two recording films and containing an oxide as a primary component and added with nitrogen, and a second dielectric film located on the opposite side of the light incidence plane with respect to the two recording films and having a lower thermal conductivity than that of the first dielectric film. According to the thus constituted optical recording medium, it is possible to improve the heat radiation characteristic and the optical property of information recording layers other than the information recording layer farthest from the light incidence plane.
    • 光学记录介质包括基板,保护层和在基板和保护层之间的多个信息记录层,并且能够在多个信息记录层中记录数据,并通过投影来再现记录在多个信息记录层中的数据 通过由基板和保护层的表面之一构成的激光束到多个信息记录层上的信息记录层中的每个信息记录层,除了包含两个记录膜的光入射面最远的信息记录层 相对于两个记录膜位于光入射面侧并且含有氧化物作为主要成分并加入氮的第一电介质膜,以及位于光入射面相对侧的第二电介质膜, 相对于两个记录膜并具有较低的热导体 比第一介电膜的电位高。 根据这样构成的光记录介质,可以提高除光入射面最远的信息记录层以外的信息记录层的散热特性和光学特性。
    • 10. 发明授权
    • Optical recording medium and method for recording and reproducing data
    • 光记录介质和数据记录和再现方法
    • US07276274B2
    • 2007-10-02
    • US10613525
    • 2003-07-03
    • Hiroyasu InoueHironori KakiuchiMasaki AoshimaKoji Mishima
    • Hiroyasu InoueHironori KakiuchiMasaki AoshimaKoji Mishima
    • B32B3/02
    • G11B7/258G11B7/24038G11B7/243G11B7/259
    • An optical recording medium includes a substrate, a light transmission layer and a plurality of recording layers between the substrate and the light transmission layer and capable of recording data in the plurality of recording layers and reproducing data recorded in the plurality of recording layers by projecting a laser beam via the light transmission layer onto the plurality of recording layers, at least one recording layer other than a farthest recording layer from the light transmission layer among the plurality of recording layers including a first recording film containing Si as a primary component and a second recording film located in the vicinity of the first recording film and containing Cu as a primary component. In the thus constituted optical recording medium, it is possible to record data in a farthest recording layer from the light transmission layer and reproduce data from the farthest recording layer in a desired manner.
    • 光学记录介质包括基板,透光层和在基板和光透射层之间的多个记录层,并且能够在多个记录层中记录数据,并且通过投影一个记录层来再现记录在多个记录层中的数据 激光束经由光透射层到多个记录层上,在多个记录层之中的至少一个与光传输层最远的记录层之间的记录层包括含有Si作为主要成分的第一记录膜和第二记录层 记录膜位于第一记录膜附近并含有Cu作为主要成分。 在这样构成的光记录介质中,可以将数据记录在距离光传输层最远的记录层中,并以期望的方式从最远的记录层再现数据。