公开(公告)号：US07438547B2

公开(公告)日：2008-10-21

申请号：US11218482

申请日：2005-09-06

申请人： Sohmei Endoh ,  Ayumi Konishi

发明人： Sohmei Endoh ,  Ayumi Konishi

IPC分类号： B29D17/00 ,  G11B7/125

CPC分类号： G11B7/128 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/261

摘要： An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a manufacturing apparatus thereof, and a manufacturing method thereof are provided. A exposure beam (61) and a exposure beam (62) are recombined together with a first exposure beam (60) in a second PBS (47) so that traveling directions thereof may be the same direction. At this time, the exposure beam (61) and the exposure beam (62) are arranged so that both optical axes may be aligned at certain distance. Thereby, a width of a spot formed by combining these beams can be extended, and light exposure of the spot can be proper to form a shallow groove, as typically showed in FIG. 3.

摘要翻译： 提供允许高密度记录的光学记录介质，其中具有宽于一定宽度的浅U形横截面的凹槽，用于制造光学记录介质的主体及其制造装置及其制造方法。 曝光光束（61）和曝光光束（62）在第二PBS（47）中与第一曝光光束（60）重新组合在一起，使得其行进方向可以是相同的方向。 此时，曝光光束（61）和曝光光束（62）被布置成使得两个光轴可以在一定距离处对准。 因此，通过组合这些光束形成的光斑的宽度可以延长，并且光斑的曝光可以适当地形成浅槽，如图1中典型地所示。 3。

公开(公告)号：US20060007836A1

公开(公告)日：2006-01-12

申请号：US11218482

申请日：2005-09-06

申请人： Sohmei Endoh ,  Ayumi Konishi

发明人： Sohmei Endoh ,  Ayumi Konishi

IPC分类号： G11B7/00 ,  G11B7/24

CPC分类号： G11B7/128 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/261

摘要： An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a manufacturing apparatus thereof, and a manufacturing method thereof are provided. A exposure beam (61) and a exposure beam (62) are recombined together with a first exposure beam (60) in a second PBS (47) so that traveling directions thereof may be the same direction. At this time, the exposure beam (61) and the exposure beam (62) are arranged so that both optical axes may be aligned at certain distance. Thereby, a width of a spot formed by combining these beams can be extended, and light exposure of the spot can be proper to form a shallow groove, as typically showed in FIG.

摘要翻译： 提供允许高密度记录的光学记录介质，其中具有宽于一定宽度的浅U形横截面的凹槽，用于制造光学记录介质的主体及其制造装置及其制造方法。 曝光光束（61）和曝光光束（62）在第二PBS（47）中与第一曝光光束（60）重新组合在一起，使得其行进方向可以是相同的方向。 此时，曝光光束（61）和曝光光束（62）被布置成使得两个光轴可以在一定距离处对准。 因此，通过组合这些光束形成的光斑的宽度可以延长，并且光斑的曝光可以适当地形成浅槽，如图1中典型地所示。

公开(公告)号：US07813257B2

公开(公告)日：2010-10-12

申请号：US10239188

申请日：2002-01-25

申请人： Sohmei Endoh ,  Ayumi Konishi

发明人： Sohmei Endoh ,  Ayumi Konishi

IPC分类号： G11B7/24

CPC分类号： G11B7/128 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/261

摘要： An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a manufacturing apparatus thereof, and a manufacturing method thereof are provided. A exposure beam (61) and a exposure beam (62) are recombined together with a first exposure beam (60) in a second PBS (47) so that traveling directions thereof may be the same direction. At this time, the exposure beam (61) and the exposure beam (62) are arranged so that both optical axes may be aligned at certain distance. Thereby, a width of a spot formed by combining these beams can be extended, and light exposure of the spot can be proper to form a shallow groove, as typically showed in FIG. 3.

摘要翻译： 提供允许高密度记录的光学记录介质，其中具有宽于一定宽度的浅U形横截面的凹槽，用于制造光学记录介质的主体及其制造装置及其制造方法。 曝光光束（61）和曝光光束（62）在第二PBS（47）中与第一曝光光束（60）重新组合在一起，使得其行进方向可以是相同的方向。 此时，曝光光束（61）和曝光光束（62）被布置成使得两个光轴可以在一定距离处对准。 因此，通过组合这些光束形成的光斑的宽度可以延长，并且光斑的曝光可以适当地形成浅槽，如图1中典型地所示。 3。

公开(公告)号：US20060007839A1

公开(公告)日：2006-01-12

申请号：US11218481

申请日：2005-09-06

申请人： Sohmei Endoh ,  Ayumi Konishi

发明人： Sohmei Endoh ,  Ayumi Konishi

IPC分类号： G11B7/135 ,  G11B7/00

CPC分类号： G11B7/128 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/261

摘要： An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a manufacturing apparatus thereof, and a manufacturing method thereof are provided. A exposure beam (61) and a exposure beam (62) are recombined together with a first exposure beam (60) in a second PBS (47) so that traveling directions thereof may be the same direction. At this time, the exposure beam (61) and the exposure beam (62) are arranged so that both optical axes may be aligned at certain distance. Thereby, a width of a spot formed by combining these beams can be extended, and light exposure of the spot can be proper to form a shallow groove, as typically showed in FIG. 3.

摘要翻译： 提供允许高密度记录的光学记录介质，其中具有宽于一定宽度的浅U形横截面的凹槽，用于制造光学记录介质的主体及其制造装置及其制造方法。 曝光光束（61）和曝光光束（62）在第二PBS（47）中与第一曝光光束（60）重新组合在一起，使得其行进方向可以是相同的方向。 此时，曝光光束（61）和曝光光束（62）被布置成使得两个光轴可以在一定距离处对准。 因此，通过组合这些光束形成的光斑的宽度可以延长，并且光斑的曝光可以适当地形成浅槽，如图1中典型地所示。 3。

公开(公告)号：US06618345B1

公开(公告)日：2003-09-09

申请号：US08719262

申请日：1996-09-24

申请人： Masaki Kagawa ,  Ayumi Konishi

发明人： Masaki Kagawa ,  Ayumi Konishi

IPC分类号： G11B700

CPC分类号： G11B7/1398 ,  G11B7/00 ,  G11B7/1374 ,  G11B7/24079

摘要： An optical recording medium includes recording tracks located adjacently to each other and is provided on and/or from which information is recorded and/or reproduced by irradiating with a beam a predetermined track of the recording tracks. The track pitch between the adjacent recording tracks is adjusted so that the track pitch is made substantially equal to a distance between an intensity center of a beam spot on a laser beam irradiated plane of the medium and a location of an initial minimum intensity. By irradiating with a beam the predetermined track, therefore, the beam intensity is located around the center of the recording track that is adjacent to the minimum portion. This location results in reducing a crosstalk amount from the adjacent recording track to a minimum, thereby suppressing the loss of the crosstalk characteristic to a minimum. This makes it possible to enhance the recording density in the alignment direction of the recording tracks if an A/W in the optical system is 1.0 or lower, in which A denotes an effective radius of an objective lens in the alignment direction of the recording tracks and W denotes a beam spot size on the objective lens in the alignment direction of the recording tracks.

摘要翻译： 光记录介质包括彼此相邻定位的记录磁道，并且通过用光束照射记录磁道的预定轨迹来提供信息和/或从该信息记录和/或再现信息。 调整相邻记录轨道之间的轨道间距，使得轨道间距基本上等于介质的激光束照射平面上的光束点的强度中心与初始最小强度的位置之间的距离。 因此，通过用光束照射预定轨迹，光束强度位于与最小部分相邻的记录轨道的中心周围。 该位置导致将相邻记录轨道的串扰量减小到最小，从而将串扰特性的损失抑制到最小。 如果光学系统中的A / W为1.0以下，则能够提高记录轨道的排列方向上的记录密度，其中A表示在记录轨迹的排列方向上的物镜的有效半径 W表示在记录轨道的排列方向上的物镜上的光点尺寸。

公开(公告)号：US06614745B1

公开(公告)日：2003-09-02

申请号：US09666646

申请日：2000-09-20

申请人： Toru Takeda ,  Satoshi Kumai ,  Ayumi Konishi ,  Junichi Suzuki

发明人： Toru Takeda ,  Satoshi Kumai ,  Ayumi Konishi ,  Junichi Suzuki

IPC分类号： G11B700

CPC分类号： G11B27/19 ,  G11B7/0045 ,  G11B7/007 ,  G11B7/12 ,  G11B27/3027 ,  G11B2220/20 ,  G11B2220/216

摘要： There are provided a spindle motor 12, an optical head 20, a high-pass filter 31, low-pass filters 32 and 33, an adder 38, and a PLL 39. The spindle motor 12 rotatively drives an optical disk 11. The optical head 20 irradiates a laser beam onto a target track and both tracks adjacent to the target track on the optical disk 11 and detects a return light from each track. The high-pass filter 31 filters a high-frequency component in a signal used for detecting a return light from a target track in the optical head 20. Each of the low-pass filters 32 and 33 filters a low-frequency component in a signal used for detecting a return light from each of the adjacent tracks. The adder 38 operates output signals from the high-pass filter 31, and the low-pass filters 32 and 33. Based on a signal from the adder 38, the PLL 39 generates a reference signal used as a time reference for generating recording signals. An operation by the adder 38 nullifies a cross modulation component.

摘要翻译： 设置有主轴电动机12，光头20，高通滤波器31，低通滤波器32和33，加法器38和PLL 39.主轴电机12旋转驱动光盘11.光学 头20将激光束照射在与光盘11上的目标轨道相邻的目标轨道和两个轨道上，并检测来自每个轨道的返回光。 高通滤波器31对用于检测来自光头20中的目标轨道的返回光的信号中的高频分量进行滤波。每个低通滤波器32和33对信号中的低频分量进行滤波 用于检测来自每个相邻轨道的返回光。 加法器38对来自高通滤波器31和低通滤波器32和33的输出信号进行操作。根据来自加法器38的信号，PLL 39产生用作产生记录信号的时间基准的参考信号。 加法器38的操作使交叉调制分量无效。

公开(公告)号：US06548138B2

公开(公告)日：2003-04-15

申请号：US09822734

申请日：2001-03-30

申请人： Toru Abiko ,  Ayumi Konishi ,  Tomoki Kanesaka ,  Hitoshi Shimomuki

发明人： Toru Abiko ,  Ayumi Konishi ,  Tomoki Kanesaka ,  Hitoshi Shimomuki

IPC分类号： B32B302

CPC分类号： G11B7/24082 ,  G11B7/007 ,  G11B7/24 ,  G11B7/24079 ,  G11B7/243 ,  G11B7/2578 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  Y10T428/21

摘要： In order to ensure CAV recording/reproduction while preventing jitter increase and modulation decrease and thereby ensuring sufficient recording properties, even at a linear velocity in the range of 3.49 to 8.44 m/s, a first dielectric film, phase-versatile recording film, second dielectric film, reflection film and protective film are formed on a disc substrate having formed lands, grooves and wobbling on one major surface. The recording film is made of a GeInSbTe alloy, and the reflection film is made of an AgPdCu alloy or AlCu alloy. Composition of the GeInSbTe alloy is adjusted to contain Ge in the range of 1 to 6 wt %, In in the range of 2 to 6 wt %, and control Sb/Te in the range of 2.4 to 3.0. Composition of the AgPdCu alloy is adjusted to contain Cu not more than 1.5 wt %. Groove depth is controlled in the range of 30 to 40 nm, groove width in the range of 0.27 to 0.33 &mgr;m, thickness of the first dielectric film in the range of 65 to 80 nm, thickness of the recording film in the range of 12 to 18 nm, thickness of the second dielectric film in the range of 12 to 20 nm, and thickness of the reflection film in the range of 80 to 160 nm.

摘要翻译： 为了确保CAV记录/再现，同时防止抖动增加和调制降低，从而确保足够的记录性能，即使在3.49至8.44m / s范围内的线速度下，第一介电膜，相通通用记录膜，第二 电介质膜，反射膜和保护膜形成在具有在一个主表面上形成的焊盘，凹槽和摆动的光盘基板上。 记录膜由GeInSbTe合金制成，反射膜由AgPdCu合金或AlCu合金制成。 调整GeInSbTe合金的组成，使Ge含量为1〜6重量％，In为2〜6重量％，Sb / Te为2.4〜3.0。 将AgPdCu合金的组成调整为含有不超过1.5重量％的Cu。 槽深度控制在30〜40nm的范围内，槽宽度在0.27〜0.33μm的范围内，第一电介质膜的厚度在65〜80nm的范围内，记录膜的厚度在12〜 18nm，第二电介质膜的厚度在12〜20nm的范围内，反射膜的厚度在80〜160nm的范围内。

公开(公告)号：US06850476B2

公开(公告)日：2005-02-01

申请号：US10428109

申请日：2003-05-02

申请人： Masaki Kagawa ,  Ayumi Konishi

发明人： Masaki Kagawa ,  Ayumi Konishi

IPC分类号： G11B7/24 ,  G11B7/00 ,  G11B7/007 ,  G11B7/135 ,  G11B11/10 ,  G11B11/105

CPC分类号： G11B7/1398 ,  G11B7/00 ,  G11B7/1374 ,  G11B7/24079

摘要： An optical recording medium includes recording tracks located adjacently to each other and is provided on and/or from which information is recorded and/or reproduced by irradiating with a beam a predetermined track of those recording tracks. The track pitch between the adjacent recording tracks is adjusted so that the track pitch is made substantially equal to a distance between an intensity center of a beam spot on a laser beam irradiated plane of the medium and a location of an initial minimum intensity. By irradiating with a beam the predetermined track, therefore, the beam intensity is located around the center of the recording track that is adjacent to the minimum portion. This location results in reducing a crosstalk amount from the adjacent recording track to a minimum, thereby suppressing the loss of the crosstalk characteristic to a minimum. This makes it possible to enhance the recording density in the alignment direction of the recording tracks if an A/W in the optical system is 1.0 or lower, in which A denotes an effective radius of an objective lens in the alignment direction of the recording tracks and W denotes a beam spot size on the objective lens in the alignment direction of the recording tracks.

摘要翻译： 光学记录介质包括彼此相邻定位的记录磁道，并且通过用光束照射那些记录磁道的预定磁迹来记录和/或再现信息。 调整相邻记录轨道之间的轨道间距，使得轨道间距基本上等于介质的激光束照射平面上的光束点的强度中心与初始最小强度的位置之间的距离。 因此，通过用光束照射预定轨迹，光束强度位于与最小部分相邻的记录轨道的中心周围。 该位置导致将相邻记录轨道的串扰量减小到最小，从而将串扰特性的损失抑制到最小。 如果光学系统中的A / W为1.0以下，则能够提高记录轨道的排列方向上的记录密度，其中A表示在记录轨迹的排列方向上的物镜的有效半径 W表示在记录轨道的排列方向上的物镜上的光点尺寸。