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公开(公告)号：US07068591B2
公开(公告)日：2006-06-27
申请号：US11177003
申请日：2005-07-07
申请人： Hiroko Ohkura , Yoshiyuki Kageyama , Makoto Harigaya , Hajime Yuzurihara , Eiko Hibino , Hiroshi Miura , Miku Mizutani
发明人： Hiroko Ohkura , Yoshiyuki Kageyama , Makoto Harigaya , Hajime Yuzurihara , Eiko Hibino , Hiroshi Miura , Miku Mizutani
IPC分类号： G11B3/70
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/258 , G11B20/1426 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： An information recording method including irradiating a phase change recording layer of an optical recording medium with either a multi-pulse laser light train having a recording power of Pw or laser light having an erasing power Pe to record a mark having a length nT in the recording layer, wherein n is an integer of from 3 to 14 and T represents a clock cycle, wherein the multi-pulse laser light train has a constitution such that a heating pulse and a cooling pulse are alternated and the number of heating pulses and the number of cooling pulses each increases by 1 when n increases by 2, and wherein when n is from 6 to 14, the last heating pulse and last cooling pulse have a pulse width of from 0.5T to 0.9T and from 0.7T to 1.5T, respectively.
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22.发明授权公开(公告)号：US06548137B2
公开(公告)日：2003-04-15
申请号：US09568723
申请日：2000-05-11
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
IPC分类号： B32B302
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Cd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
摘要翻译： 光记录介质具有包含Sb和Te作为其必需元素的相变记录层，添加至少一种选自Ag，Au，Cu，Zn，B，Al，Ga，In， Si，Ge，Sn，Pb，N，P，Bi，La，Ce，Cd和Tb，记录层能够通过施加激光束而使结晶相发生非晶相变化，从而光学记录 信息。 通过将激光束的发光波转换成包括多个导通脉冲和截止脉冲的记录脉冲串，记录标记形成在记录介质中，记录频率根据每个记录的位置而不断改变 在所述记录介质的径向上标记。 记录装置具有用于实现上述记录方法的激光束驱动电路装置，信号发生装置和信号传输装置。
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公开(公告)号：US20060256706A1
公开(公告)日：2006-11-16
申请号：US11491321
申请日：2006-07-21
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
IPC分类号： G11B7/24
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Gd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
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公开(公告)号：US20050265133A1
公开(公告)日：2005-12-01
申请号：US11177003
申请日：2005-07-07
申请人： Hiroko Ohkura , Yoshiyuki Kageyama , Makoto Harigaya , Hajime Yuzurihara , Eiko Hibino , Hiroshi Miura , Miku Mizutani
发明人： Hiroko Ohkura , Yoshiyuki Kageyama , Makoto Harigaya , Hajime Yuzurihara , Eiko Hibino , Hiroshi Miura , Miku Mizutani
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/258 , G11B20/1426 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： An information recording method including irradiating a phase change recording layer of an optical recording medium with either a multi-pulse laser light train having a recording power of Pw or laser light having an erasing power Pe to record a mark having a length nT in the recording layer, wherein n is an integer of from 3 to 14 and T represents a clock cycle, wherein the multi-pulse laser light train has a constitution such that a heating pulse and a cooling pulse are alternated and the number of heating pulses and the number of cooling pulses each increases by 1 when n increases by 2, and wherein when n is from 6 to 14, the last heating pulse and last cooling pulse have a pulse width of from 0.5T to 0.9T and from 0.7T to 1.5T, respectively.
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公开(公告)号：US06777057B2
公开(公告)日：2004-08-17
申请号：US10361190
申请日：2003-02-07
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
IPC分类号： B32B302
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Gd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
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26.发明授权Method and device for initializing optical recording medium of phase change type, and optical recording medium 失效用于初始化相变型光记录介质的方法和装置，以及光记录介质
公开(公告)号：US5875160A
公开(公告)日：1999-02-23
申请号：US824205
申请日：1997-03-25
CPC分类号： G11B7/1398 , G11B7/004 , G11B7/127 , G11B7/1376 , G11B7/1392 , G11B7/24 , G11B7/26 , G11B7/268 , G11B7/00557
摘要： A device for initializing an optical recording medium includes a semiconductor laser diode, and an optical system which projects a laser beam emitted from the semiconductor laser diode onto the optical recording medium. A half-value width of a spot of the laser beam focused on the optical recording medium is equal to 1/2 to 1/6 times a half-value width of a near-field pattern of the semiconductor laser diode in a direction parallel to a junction interface of the semiconductor laser diode, so that the optical recording medium can be evenly initialized by the laser beam.
摘要翻译： 用于初始化光记录介质的装置包括半导体激光二极管和将从半导体激光二极管发射的激光束投射到光记录介质上的光学系统。 聚焦在光学记录介质上的激光束的点的半值宽度等于半导体激光二极管在平行于半导体激光二极管的方向的近场图案的半值宽度的1/2至1/6倍 半导体激光二极管的接合界面，使得光学记录介质可以被激光束均匀地初始化。
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公开(公告)号：US07102977B2
公开(公告)日：2006-09-05
申请号：US11093069
申请日：2005-03-28
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Gd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
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公开(公告)号：US20050169149A1
公开(公告)日：2005-08-04
申请号：US11093069
申请日：2005-03-28
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
IPC分类号： G11B7/243 , B32B3/02 , B41M5/26 , C22F3/00 , G11B5/09 , G11B7/00 , G11B7/0045 , G11B7/006 , G11B7/24
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Gd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
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29.发明授权公开(公告)号：US06884488B2
公开(公告)日：2005-04-26
申请号：US10844759
申请日：2004-05-12
申请人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
发明人： Kazunori Ito , Michiharu Abe , Makoto Harigaya , Takashi Shibaguchi , Eiko Suzuki , Nobuaki Onagi , Hiroko Tashiro , Yoshiyuki Kageyama
IPC分类号： G11B7/243 , B32B3/02 , B41M5/26 , C22F3/00 , G11B5/09 , G11B7/00 , G11B7/0045 , G11B7/006 , G11B7/24
CPC分类号： G11B7/0062 , G11B7/243 , G11B7/2534 , G11B7/256 , G11B7/258 , G11B7/259 , G11B7/266 , G11B2007/24314 , G11B2007/24316 , Y10T428/21
摘要： An optical recording medium has a phase-change recording layer containing Sb and Te as essential elements therefor, to which is added at least one element selected from the group consisting of Ag, Au, Cu, Zn, B, Al, Ga, In, Si, Ge, Sn, Pb, N, P, Bi, La, Ce, Gd, and Tb, the recording layer being capable of assuming an amorphous phase changed from a crystalline phase by the application of a laser beam thereto, thereby optically recording information. Recording marks are formed in the recording medium by converting a light emission wave of laser beam into a recording pulse train comprising a plurality of on-pulses and off-pulses, with a recording frequency being continuously changed corresponding to the location of each of the recording marks in the radial direction of said recording medium. A recording apparatus has laser beam driving circuit means, signal generation means, and signal transmission means for achieving the above recording method.
摘要翻译： 光记录介质具有包含Sb和Te作为其必需元素的相变记录层，添加至少一种选自Ag，Au，Cu，Zn，B，Al，Ga，In， Si，Ge，Sn，Pb，N，P，Bi，La，Ce，Gd和Tb，记录层能够通过施加激光束而使结晶相发生非晶相变化，从而光记录 信息。 通过将激光束的发光波转换成包括多个导通脉冲和截止脉冲的记录脉冲串，记录标记形成在记录介质中，记录频率根据每个记录的位置而不断改变 在所述记录介质的径向上标记。 记录装置具有用于实现上述记录方法的激光束驱动电路装置，信号发生装置和信号传输装置。
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公开(公告)号：US06790592B2
公开(公告)日：2004-09-14
申请号：US09951515
申请日：2001-09-14
申请人： Makoto Harigaya , Katsuhiko Tani , Noriyuki Iwata , Kazunori Ito , Hajime Yuzurihara , Eiko Hibino , Hiroko Ohkura , Nobuaki Onagi , Hiroshi Miura , Yoshiyuki Kageyama
发明人： Makoto Harigaya , Katsuhiko Tani , Noriyuki Iwata , Kazunori Ito , Hajime Yuzurihara , Eiko Hibino , Hiroko Ohkura , Nobuaki Onagi , Hiroshi Miura , Yoshiyuki Kageyama
IPC分类号： G11B724
CPC分类号： G11B7/243 , G11B7/2534 , G11B7/2542 , G11B7/259 , G11B2007/24304 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/24322 , G11B2007/24328 , Y10S430/146
摘要： A phase-change optical information recording medium capable of recording information therein, reproducing recorded information therefrom, rewriting recorded information, and erasing recorded information therefrom, which phase-change optical information recording medium is provided with a recording layer containing therein a phase-change recording material including Ge, Ga, Sb, Te, and one element selected from the group consisting of Mg and Ca, which recording material is capable of performing a reversible phase transition from a noncrystalline phase to a crystalline phase and vice verse with the application of an electromagnetic wave thereto.
摘要翻译： 一种能够在其中记录信息的相变光学信息记录介质，从其再现记录的信息，重写记录的信息和从中擦除记录的信息，该相变光学信息记录介质设置有记录层，其中包含相变记录 包括Ge，Ga，Sb，Te和选自Mg和Ca的一种元素的材料，该记录材料能够进行从非结晶相到结晶相的可逆相变，并且与应用 电磁波。
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