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    Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus
    1.
    发明授权
    Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus 失效
    光记录介质及其制造方法，溅射靶，光记录介质的使用过程以及光记录装置

    公开(公告)号：US07384678B2

    公开(公告)日：2008-06-10

    申请号：US11431726

    申请日：2006-05-10

    申请人： Hiroshi Miura ,  Kazunori Ito ,  Makoto Harigaya ,  Eiko Hibino ,  Masaru Shinkai ,  Hiroko Ohkura

    发明人： Hiroshi Miura ,  Kazunori Ito ,  Makoto Harigaya ,  Eiko Hibino ,  Masaru Shinkai ,  Hiroko Ohkura

    IPC分类号： B32B3/02

    CPC分类号： G11B7/0062 ,  C23C14/06 ,  C23C14/083 ,  C23C14/3414 ,  G11B7/243 ,  G11B7/266 ,  G11B7/268 ,  G11B2007/2431 ,  G11B2007/24314 ,  Y10T428/21

    摘要： To provide an optical recording medium and the like that is adapted to higher density and higher speed recording of 8 times or more than that of DVD (about 28 m/sec or more) and that exhibits superior repeating and reservation properties. An optical recording medium is provided that comprises a substrate, and a recording layer, wherein at least one of recording, reproducing, erasing, and rewriting of information is carried out by means of reversible phase changes at marks on the recording layer, the reversible phase changes at marks are induced between crystalline and amorphous states by laser irradiation, the length of the respective marks is 0.4 μm or less in the traveling direction of the laser irradiation, and the recording layer has a composition expressed by the formula: InαSbβ, wherein α and β are atomic percent of the respective elements; 0.73≦β/(α+β)≦0.90, α+β=100, alternatively a composition expressed by the formula: MγInαSbβ, wherein M represents an element other than In and Sb or an element combination containing two or more elements other than In and Sb; α and β are atomic percent of the respective elements, γ is atomic percent of the element or sum of atomic percent of the respective elements; 0.73≦β/(α+β)≦0.90, 0

    摘要翻译： 提供适合于DVD（约28m / sec以上）的8倍以上的更高密度和更高速度记录的光学记录介质等，并且表现出优异的重复和保留性能。 提供了一种光记录介质，其包括基板和记录层，其中通过在记录层上的标记处的可逆相位变化来执行信息的记录，再现，擦除和重写中的至少一个，可逆相位 通过激光照射在晶体和非晶状态之间引起标记的变化，在激光照射的行进方向上各个标记的长度为0.4μm或更小，并且记录层具有由下式表示的组成： α和β是各元素的原子百分数; 0.73 <=β/（α+β）<= 0.90，α+β= 100，或者由下式表示的组成：M + β，其中M表示除In和Sb以外的元素，或含有除In和Sb以外的两种或更多种元素的元素组合; α和β是各元素的原子百分数，γ是元素的原子百分数或各元素的原子百分比的和; 0.73 <=β/（α+β）<= 0.90,0 <γ<α，α+β+γ= 100。

    Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus
    2.
    发明申请
    Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus 失效
    光记录介质及其制造方法，溅射靶，光记录介质的使用过程以及光记录装置

    公开(公告)号：US20060269717A1

    公开(公告)日：2006-11-30

    申请号：US11431726

    申请日：2006-05-10

    申请人： Hiroshi Miura ,  Kazunori Ito ,  Makoto Harigaya ,  Eiko Hibino ,  Masaru Shinkai ,  Hiroko Ohkura

    发明人： Hiroshi Miura ,  Kazunori Ito ,  Makoto Harigaya ,  Eiko Hibino ,  Masaru Shinkai ,  Hiroko Ohkura

    IPC分类号： B32B3/02

    CPC分类号： G11B7/0062 ,  C23C14/06 ,  C23C14/083 ,  C23C14/3414 ,  G11B7/243 ,  G11B7/266 ,  G11B7/268 ,  G11B2007/2431 ,  G11B2007/24314 ,  Y10T428/21

    摘要： To provide an optical recording medium and the like that is adapted to higher density and higher speed recording of 8 times or more than that of DVD (about 28 m/sec or more) and that exhibits superior repeating and reservation properties. An optical recording medium is provided that comprises a substrate, and a recording layer, wherein at least one of recording, reproducing, erasing, and rewriting of information is carried out by means of reversible phase changes at marks on the recording layer, the reversible phase changes at marks are induced between crystalline and amorphous states by laser irradiation, the length of the respective marks is 0.4 μm or less in the traveling direction of the laser irradiation, and the recording layer has a composition expressed by the formula: InαSbβ, wherein α and β are atomic percent of the respective elements; 0.73≦β/(α+β)≦0.90, α+β=100, alternatively a composition expressed by the formula: MγInαSbβ, wherein M represents an element other than In and Sb or an element combination containing two or more elements other than In and Sb; α and β are atomic percent of the respective elements, γ is atomic percent of the element or sum of atomic percent of the respective elements; 0.73≦β/(α+β)≦0.90, 0

    摘要翻译： 提供适合于DVD（约28m / sec以上）的8倍以上的更高密度和更高速度记录的光学记录介质等，并且表现出优异的重复和保留性能。 提供了一种光记录介质，其包括基板和记录层，其中通过在记录层上的标记处的可逆相位变化来执行信息的记录，再现，擦除和重写中的至少一个，可逆相位 通过激光照射在晶体和非晶状态之间引起标记的变化，在激光照射的行进方向上各个标记的长度为0.4μm或更小，并且记录层具有由下式表示的组成： α和β是各元素的原子百分数; 0.73 <=β/（α+β）<= 0.90，α+β= 100，或者由下式表示的组成：M + β，其中M表示除In和Sb以外的元素，或含有除In和Sb以外的两种或更多种元素的元素组合; α和β是各元素的原子百分数，γ是元素的原子百分数或各元素的原子百分比的和; 0.73 <=β/（α+β）<= 0.90,0 <γ<α，α+β+γ= 100。

    Optical Recording Medium and Optical Recording Method
    9.
    发明申请
    Optical Recording Medium and Optical Recording Method 审中-公开
    光学记录介质和光学记录方法

    公开(公告)号：US20090116365A1

    公开(公告)日：2009-05-07

    申请号：US11887389

    申请日：2006-03-31

    申请人： Kazunori Ito ,  Eiko Hibino ,  Mikiko Takada ,  Hiroshi Deguchi ,  Hiroko Ohkura ,  Hiroshi Miura

    发明人： Kazunori Ito ,  Eiko Hibino ,  Mikiko Takada ,  Hiroshi Deguchi ,  Hiroko Ohkura ,  Hiroshi Miura

    IPC分类号： G11B7/00

    CPC分类号： G11B7/0062 ,  G11B7/1263 ,  G11B7/2433 ,  G11B2007/24304 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314

    摘要： An optical recording method to record information with a mark length recording method, where an amorphous mark and a crystal space are recorded only in the groove of a substrate having a guide groove, with the temporal length of the mark and the space of nT (T denotes a reference clock period; n denotes a natural number). The space is formed at least by an erase pulse of power Pe; all the marks of 4T or longer are formed by a multi pulse alternatively irradiating a heating pulse of power Pw and a cooling pulse of power Pb while Pw>Pb; and the Pe and the Pw satisfy the following relations: 0.15≦Pe/Pw≦0.4, and 0.4≦τw/(τw+τb)≦0.8, where τw denotes the sum of the length of the heating pulses, and τb denotes the sum of the length of the cooling pulses.

    摘要翻译： 一种记录具有标记长度记录方法的信息的光学记录方法，其中无定形标记和晶体空间仅记录在具有引导槽的基板的凹槽中，标记的时间长度和nT（T 表示参考时钟周期; n表示自然数）。 该空间至少由功率Pe的擦除脉冲形成; 4T以上的所有标记通过多脉冲形成，交替地照射功率Pw的加热脉冲和功率Pb的冷却脉冲，而Pw> Pb; 并且Pe和Pw满足以下关系：<？in-line-formula description =“In-line formula”end =“lead”？> 0.15 <= Pe / Pw <= 0.4，<？in-line- 公式描述=“内联公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 0.4 <= tauw /（tauw + taub） 0.8，<？in-line-formula description =“In-line Formulas”end =“tail”？>其中，tauw表示加热脉冲长度之和，taub表示冷却脉冲的长度之和。