Optical recording medium having a relation between groove widths, groove depths and track pitches
    1.
    发明授权
    Optical recording medium having a relation between groove widths, groove depths and track pitches 有权
    具有凹槽宽度,凹槽深度和轨道间距之间的关系的光学记录介质

    公开(公告)号:US08018823B2

    公开(公告)日:2011-09-13

    申请号:US12515075

    申请日:2007-11-28

    CPC classification number: G11B7/24079 G11B7/00736 G11B7/261

    Abstract: An information recording medium having a recording track wherein the recording track includes a first recording region R1, a second recording region R2 and a recording region transition section Sx arranged between regions R1 and R2; a track pitch tp1, a groove width w1 and a groove depth d1 in region R1, and a track pitch tp2, a groove width w2and a groove depth d2 in region R2 satisfy formula (1), (2) and/or (3); the recording region transition section Sx includes a track pitch transition section Stp in which the track pitch changes from tp1 to tp2 and a groove shape transition section Sg in which the groove width changes from w1 to w2 and/or the groove depth changes from d1 to d2; and the track pitch transition section Stp and the groove shape transition section Sg at least partially overlap to share a region SL.

    Abstract translation: 一种具有记录磁道的信息记录介质,其中记录磁道包括布置在区域R1和R2之间的第一记录区域R1,第二记录区域R2和记录区域过渡区段Sx; 区域R1中的轨道间距tp1,槽宽度w1和槽深度d1,区域R2中的轨道间距tp2,槽宽度w2和槽深度d2满足公式(1),(2)和/或(3) ; 记录区域过渡部分Sx包括轨道间距从tp1变为tp2的轨道间距过渡部分Stp和槽宽度从w1变化到w2的槽形过渡部分Sg和/或槽深度从d1变化到 d2; 并且轨道间距过渡部分Stp和槽形过渡部分Sg至少部分重叠以共享区域SL。

    INFORMATION RECORDING MEDIUM AND MASTER EXPOSING APPARATUS
    2.
    发明申请
    INFORMATION RECORDING MEDIUM AND MASTER EXPOSING APPARATUS 有权
    信息记录介质和主要曝光装置

    公开(公告)号:US20100034074A1

    公开(公告)日:2010-02-11

    申请号:US12515075

    申请日:2007-11-28

    CPC classification number: G11B7/24079 G11B7/00736 G11B7/261

    Abstract: Stable focus servo and tracking servo are realized in an information recording medium having a plurality of recording regions having different track pitches and groove shapes.An information recording medium having a recording track formed by a concave-convex pattern, wherein the recording track includes a first recording region R1, a second recording region R2 and a recording region transition section Sx arranged between the first recording region R1 and the second recording region R2; a track pitch tp1, a groove width w1 and a groove depth d1 in the first recording region R1, and a track pitch tp2, a groove width w2 and a groove depth d2 in the second recording region R2 satisfy the following formula (1) and the following formulae (2) and/or (3): 0

    Abstract translation: 在具有不同轨道间距和凹槽形状的多个记录区域的信息记录介质中实现稳定聚焦伺服和跟踪伺服。 一种信息记录介质,具有由凹凸图案形成的记录磁道,其中记录磁道包括第一记录区域R1,第二记录区域R2和布置在第一记录区域R1和第二记录区域之间的记录区域过渡区段Sx 区R2; 第一记录区域R1中的轨道间距tp1,槽宽度w1和槽深度d1以及第二记录区域R2中的轨道间距tp2,槽宽度w2和槽深度d2满足下式(1)和 以下公式(2)和/或(3):01-tp2 | (1)01-w2 | (2)01-d2 | (3); 记录区域过渡部分Sx包括轨道间距从tp1变为tp2的轨道间距过渡部分Stp和槽宽度从w1变化到w2的槽形过渡部分Sg和/或槽深度从d1变化到 d2; 轨道间距过渡部分Stp和槽形过渡部分Sg至少部分重叠以共享区域SL。

    Optical recording method
    3.
    发明授权
    Optical recording method 有权
    光记录方式

    公开(公告)号:US07277376B2

    公开(公告)日:2007-10-02

    申请号:US11251941

    申请日:2005-10-18

    CPC classification number: G11B7/0062

    Abstract: An optical recording method to be used for recording at a high data transfer rate length-modulated marks on a recording medium by applying a recording laser beam locally to the recording medium. The recording laser beam has a writing power Pwi, is and a bias power Pbi. A record mark has a length of nT. With respect to at least two record marks, a pulse dividing number m is at least 2, and with respect to all record marks with m being at least 2, 2.5 is smaller than or equal to n/m, in a case where plural different record mark lengths are to be respectively formed by the same pulse dividing number m.

    Abstract translation: 一种光记录方法,用于通过将记录激光束局部地施加到记录介质上,以高数据传输速率在记录介质上记录长度调制标记。 记录激光束具有写入功率Pw和偏置功率Pb i i i。 记录标记的长度为nT。 对于至少两个记录标记,脉冲分割数m至少为2,并且对于具有至少2的所有记录标记,2.5为小于或等于n / m,在多个不同的情况下 记录标记长度分别由相同的脉​​冲分割数m形成。

    Optical recording method
    4.
    发明申请
    Optical recording method 有权
    光记录方式

    公开(公告)号:US20060062125A1

    公开(公告)日:2006-03-23

    申请号:US11251941

    申请日:2005-10-18

    CPC classification number: G11B7/0062

    Abstract: To provide an optical recording method to be used for recording at a high data transfer rate where the reference clock frequency is at least about 200 MHz and a linear velocity is about 40 m/sec. When recording mark length-modulated information is to be recorded on a recording medium by applying a recording laser beam locally to the recording medium, in order to form one record mark length of nT, m pieces of recording pulses αiT (1≦i≦m) and m pieces of off-pulses βiT (1≦i≦m), represented by: α1T, β1T, α2T, β2T, . . . , α1T, β1T, . . . , αmT, βmT (where m is a natural number representing a pulse dividing number, αi (1≦i≦m) is a real number of larger than 0, βi (1≦i≦m-1) is a real number of larger than 0, and βm is a real number of at least 0), are used, and a recording laser beam having a writing power Pwi is applied within a time of αiT (1≦i≦m), a recording laser beam having a bias power Pbi of Pbi

    Abstract translation: 提供一种用于以高数据传输速率进行记录的光记录方法,其中参考时钟频率为至少约200MHz,线速度为约40m / sec。

    OPTICAL RECORDING MEDIUM
    5.
    发明申请
    OPTICAL RECORDING MEDIUM 有权
    光学记录介质

    公开(公告)号:US20090269540A1

    公开(公告)日:2009-10-29

    申请号:US12160856

    申请日:2007-01-11

    Abstract: Provided is an extremely high-density optical recording medium with excellent jitter characteristics and good recording/reproducing characteristics.An optical recording medium 20 comprises a substrate 21 with a guide groove formed therein, a layer 23 with a light reflection function, a recording layer 22 comprising a dye as a main component with a light absorption function for a wavelength of recording/reproducing light in an unrecorded state, and a cover layer 24 capable of transmitting the recording/reproducing light incident to the recording layer 22, in the order mentioned; an interlayer 30 containing at least one element selected from the group consisting of Ta, Nb, V, W, Mo, Cr and Ti, is provided between the layer 23 with the light reflection function and the recording layer 22.

    Abstract translation: 提供了具有优异的抖动特性和良好记录/再现特性的极高密度光学记录介质。 光记录介质20包括其中形成有导向槽的基板21,具有光反射功能的层23,包括作为主要部件的染料的记录层22,其具有用于记录/再现光的波长的光吸收功能 未记录状态,以及能够按照所述顺序传输入射到记录层22的记录/再现光的覆盖层24; 在具有光反射功能的层23和记录层22之间设置有含有选自Ta,Nb,V,W,Mo,Cr和Ti中的至少一种元素的中间层30。

    Optical recording medium
    6.
    发明授权
    Optical recording medium 有权
    光记录媒体

    公开(公告)号:US08114496B2

    公开(公告)日:2012-02-14

    申请号:US12160856

    申请日:2007-01-11

    Abstract: Provided is an extremely high-density optical recording medium with excellent jitter characteristics and good recording/reproducing characteristics.An optical recording medium 20 comprises a substrate 21 with a guide groove formed therein, a layer 23 with a light reflection function, a recording layer 22 comprising a dye as a main component with a light absorption function for a wavelength of recording/reproducing light in an unrecorded state, and a cover layer 24 capable of transmitting the recording/reproducing light incident to the recording layer 22, in the order mentioned; an interlayer 30 containing at least one element selected from the group consisting of Ta, Nb, V, W, Mo, Cr and Ti, is provided between the layer 23 with the light reflection function and the recording layer 22.

    Abstract translation: 提供了具有优异的抖动特性和良好记录/再现特性的极高密度光学记录介质。 光记录介质20包括其中形成有导向槽的基板21,具有光反射功能的层23,包括作为主要部件的染料的记录层22,其具有用于记录/再现光的波长的光吸收功能 未记录状态,以及能够按照所述顺序传输入射到记录层22的记录/再现光的覆盖层24; 在具有光反射功能的层23和记录层22之间设置有含有选自Ta,Nb,V,W,Mo,Cr和Ti中的至少一种元素的中间层30。

    OPTICAL RECORDING MEDIUM
    7.
    发明申请
    OPTICAL RECORDING MEDIUM 审中-公开
    光学记录介质

    公开(公告)号:US20100035013A1

    公开(公告)日:2010-02-11

    申请号:US12440247

    申请日:2007-09-05

    Abstract: An optical recording medium is provided which has excellent jitter characteristics and satisfactory recording/reproducing characteristics and is capable of extremely high-density recording. The optical recording medium 20 comprises a substrate 21 having a guide groove and the following layers formed on the substrate 21 in the following order: a layer 23 having a light-reflecting function, a recording layer 22 containing a specific porphyrin compound as a main component, and a cover layer 24 capable of transmitting a recording/reproducing light entering the recording layer 22, wherein when a portion of the guide groove at a side far from a surface where a recording/reproducing light beam enters the cover layer 24, is represented as a recording groove portion, then a recording pit portion formed in the recording groove portion, has a higher reflective optical intensity than the recording groove portion in an unrecorded state.

    Abstract translation: 提供具有优异的抖动特性和令人满意的记录/再现特性并且能够进行极高密度记录的光记录介质。 光记录介质20包括具有导向槽的基板21和以下顺序形成在基板21上的以下层:具有光反射功能的层23,以特定卟啉化合物为主要成分的记录层22 以及能够传输进入记录层22的记录/再现光的覆盖层24,其中当远离记录/再现光束进入覆盖层24的表面的一侧的引导槽的一部分被表示时 作为记录槽部分,形成在记录槽部分中的记录凹坑部分在未记录状态下具有比记录槽部分更高的反射光强度。

Patent Agency Ranking