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11. 发明申请

US20080239896A1 GENERATION METHOD OF CLOCK SIGNAL OF PATTERNED MEDIUM, PATTERNED MEDIUM AND STORAGE DEVICE 审中-公开
标题翻译：图形中间时钟信号的生成方法，图案和存储设备
公开(公告)号：US20080239896A1
公开(公告)日：2008-10-02
申请号：US12056667
申请日：2008-03-27
申请人： Sumio Kuroda
发明人： Sumio Kuroda
IPC分类号： G11B5/09
CPC分类号： G11B5/59688 , B82Y10/00 , G11B5/59627 , G11B5/743
摘要： A clock generation method detects from servo signals a degree of decentering of a patterned medium having recording pits arranged in a circular pattern and changes a clock frequency for recording/reproduction based on the detected degree of decentering.
摘要翻译：时钟生成方法从伺服信号检测具有以圆形图案布置的记录凹坑的图案化介质的偏心程度，并且基于检测到的偏心程度改变用于记录/再现的时钟频率。

12. 发明申请

US20050243453A1 Magnetic transfer master and method of formatting magnetic recording medium 失效
标题翻译：磁传输主机和格式化磁记录介质的方法
公开(公告)号：US20050243453A1
公开(公告)日：2005-11-03
申请号：US10930413
申请日：2004-08-31
申请人： Sumio Kuroda , Kazuyuki Ozaki
发明人： Sumio Kuroda , Kazuyuki Ozaki
IPC分类号： G11B5/66 , G11B5/738 , G11B5/82 , G11B5/86
CPC分类号： G11B5/865
摘要： A master is used for writing information to a magnetic recording disk by a magnetic transfer method. The recording disk includes a magnetic recording layer possessing vertical magnetic anisotropy. The master includes a servo zone corresponding part formed with a magnetic material pattern for recording servo information to the recording layer of the recording disk. The master also includes a user data zone corresponding part formed with a second magnetic material pattern for providing the recording layer of the recording disk with a dummy signal.
摘要翻译：主机用于通过磁转移方式将信息写入磁记录盘。记录盘包括具有垂直磁各向异性的磁记录层。主机包括形成有磁性材料图案的伺服区对应部分，用于将伺服信息记录到记录盘的记录层。主机还包括用第二磁性材料图案形成的用户数据区对应部分，用于向记录盘的记录层提供虚拟信号。

13. 发明授权

US5599605A Magneto-optical recording medium and method for producing the same 失效
标题翻译：磁光记录介质及其制造方法
公开(公告)号：US5599605A
公开(公告)日：1997-02-04
申请号：US045737
申请日：1993-04-14
申请人： Keiji Shono , Ken Tamanoi , Sumio Kuroda , Koji Matsumoto
发明人： Keiji Shono , Ken Tamanoi , Sumio Kuroda , Koji Matsumoto
IPC分类号： G11B11/10 , G11B7/253 , G11B11/105 , H01F10/24 , H01F41/18 , G11B5/66 , B32B3/10
CPC分类号： G11B7/253 , G11B11/10582 , G11B11/10586 , G11B11/10593 , Y10S428/90 , Y10T428/24355
摘要： A magneto-optical recording medium having a recording layer made of a bismuth-substituted garnet and deposited by a sputtering over an amorphous substrate of aluminosilicate or borosilicate glass, the recording medium including a garnet underlayer of either a double-layer or single-layer structure. The formation of an underlayer of a double-layer structure made of garnet reduces the level of noise due to light scattering at crystalline boundaries in the garnet film. The formation of an underlayer of a single-layer structure made of a garnet having a lower crystallization temperature than a YIG film is also effective to noise-level reduction. An underlayer has a surface smoothness corresponding to a roughness of approximately 10 .ANG., which is improved from the surface smoothness of a conventional underlayer comprising a YIG film.
摘要翻译：一种具有由铋取代的石榴石制成的记录层并通过溅射沉积在硅铝酸盐或硼硅酸盐玻璃的无定形基底上的磁光记录介质，所述记录介质包括双层或单层结构的石榴石底层。由石榴石制成的双层结构的底层的形成降低了由于在石榴石膜中的结晶边界处的光散射引起的噪声水平。由具有比YIG膜低的结晶温度的石榴石制成的单层结构的底层的形成对于噪声水平的降低也是有效的。底层具有对应于约10安培的粗糙度的表面平滑度，其从包含YIG膜的常规底层的表面平滑度得到改善。

14. 发明授权

US07460322B2 Magnetic transferring apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US07460322B2
公开(公告)日：2008-12-02
申请号：US11390693
申请日：2006-03-28
申请人： Hiroyuki Suzuki , Sumio Kuroda , Yutaka Nakamura
发明人： Hiroyuki Suzuki , Sumio Kuroda , Yutaka Nakamura
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： A magnetic transferring apparatus allows attachment of a first magnet to a first holder. A second magnet is attached to a second holder. The first and second holders are located in a space between first and second magnets. A magnetic disk and a master member are located in a space between the first and second holders. The magnetic attraction is generated between the first and second magnets. The magnetic attraction serves to bring the first and second holders closer to each other, so that magnetic pieces of the master member is brought in a close contact with the magnetic disk between the first and second holders. The magnetic flux runs between the first and second based on the contact between the magnetic pieces and the magnetic disk. A servo pattern can in this manner be established in the magnetic disk.
摘要翻译：磁转移装置允许将第一磁体附接到第一保持器。第二磁体连接到第二支架。第一和第二保持器位于第一和第二磁体之间的空间中。磁盘和主构件位于第一和第二保持器之间的空间中。在第一和第二磁体之间产生磁吸引力。磁吸引用于使第一和第二保持器彼此靠近，使得主构件的磁片与第一和第二保持器之间的磁盘紧密接触。基于磁片和磁盘之间的接触，磁通量在第一和第二之间延伸。这样可以在磁盘中建立伺服模式。

15. 发明授权

US07203023B2 Magnetic recording unit and magnetic recording medium 失效
标题翻译：磁记录单元和磁记录介质
公开(公告)号：US07203023B2
公开(公告)日：2007-04-10
申请号：US10413660
申请日：2003-04-15
申请人： Sumio Kuroda , Kazuyuki Ozaki
发明人： Sumio Kuroda , Kazuyuki Ozaki
IPC分类号： G11B5/596
CPC分类号： G11B5/59605 , G11B5/59688
摘要： The present invention provides a magnetic recording unit, including: a magnetic head; a magnetic recording medium having a servo pattern for adjusting a position of the magnetic head; a frequency detecting element for detecting a frequency in the servo pattern on a track corresponding to the position in a radial direction of the magnetic recording medium, on the basis of a reproduction signal obtained by reading the servo pattern with the magnetic head; a storage element for storing in advance information on predetermined frequencies corresponding to the positions of tracks of the magnetic recording medium; a tracking element for comparing the frequency detected on the track by the frequency detection element and the information on the frequency corresponding to the same track, the information being stored in the storage element, and for generating a signal for adjusting the position of the magnetic head, the signal being generated on the basis of a difference between the frequencies.
摘要翻译：本发明提供一种磁记录单元，包括：磁头; 具有用于调节磁头位置的伺服图案的磁记录介质; 频率检测元件，用于根据通过用磁头读取伺服模式获得的再现信号来检测与磁记录介质的径向方向上的位置对应的轨道上的伺服模式中的频率; 存储元件，用于预先存储与磁记录介质的轨迹位置对应的预定频率的信息; 用于将由频率检测元件在轨道上检测到的频率与对应于同一轨道的频率的信息进行比较的跟踪元件，存储在存储元件中的信息，以及用于产生用于调整磁头位置的信号基于频率之间的差异产生信号。

16. 发明授权

US07102986B2 Optical disk 失效
标题翻译：光盘
公开(公告)号：US07102986B2
公开(公告)日：2006-09-05
申请号：US10199153
申请日：2002-07-19
申请人： Mineo Moribe , Sumio Kuroda , Koichi Iida , Hiroyuki Takemoto
发明人： Mineo Moribe , Sumio Kuroda , Koichi Iida , Hiroyuki Takemoto
IPC分类号： G11B7/24
CPC分类号： G11B7/24085 , G11B7/00718 , G11B7/24079 , G11B2020/1259
摘要： The present invention provides an optical disk comprising: at least a rewritable region and a read-only data region, wherein the rewritable region includes a plurality of groove tracks and a plurality of land tracks, the read-only data region includes a plurality of groove tracks and a plurality of land tracks, read-only data comprising control data are written as concavo-convex pits to the groove tracks and/or the land tracks in the read-only data region, and the width of each groove in the read-only data region is smaller than that of each groove in the rewritable region. According to the first optical disk of the present invention, the area of rewritable regions for users can be ensured as broadly as possible failing to deteriorate the high-speed performance of the system.
摘要翻译：本发明提供了一种光盘，包括：至少可重写区域和只读数据区域，其中可重写区域包括多个凹槽轨道和多个凹槽轨道，只读数据区域包括多个凹槽磁道和多个磁道轨道，包括控制数据的只读数据被写入凹凸轨迹和/或只读数据区域中的凹槽磁迹和/或磁道轨迹，并且读取 - 只有数据区域小于可重写区域中每个凹槽的数据区域。根据本发明的第一光盘，可以尽可能广泛地确保用户可重写区域的面积不会降低系统的高速性能。

17. 发明申请

US20050128617A1 Information recording medium 审中-公开
标题翻译：信息记录介质
公开(公告)号：US20050128617A1
公开(公告)日：2005-06-16
申请号：US11049208
申请日：2005-02-03
申请人： Sumio Kuroda , Kazuyuki Ozaki
发明人： Sumio Kuroda , Kazuyuki Ozaki
IPC分类号： G11B5/09 , G11B5/55 , G11B5/596 , G11B5/82 , G11B5/86 , G11B15/12 , G11B20/12
CPC分类号： G11B5/865 , G11B5/09 , G11B5/5526 , G11B5/59633 , G11B20/1217 , G11B2020/1282 , G11B2020/1284 , G11B2220/2516
摘要： An information recording medium characterized by comprising a plurality of kinds or a plurality of sets of servo information recorded as magnetic information and used for detecting a position of the information recording medium relative to a magnetic head. Even if some sets of servo information become defective, the information recording medium is not determined as a defective, and user data can be recorded and reproduced on the information recording medium by utilizing servo information of another set which is determined to be normal.
摘要翻译：一种信息记录介质，其特征在于包括记录为磁信息的多种或多组伺服信息，用于检测信息记录介质相对于磁头的位置。即使某些伺服信息集合变得有缺陷，信息记录介质也不被确定为缺陷，并且可以通过利用被确定为正常的另一组的伺服信息在信息记录介质上记录和再现用户数据。

18. 发明授权

US5747136A High-density magneto-optic disk and method of manufacturing the same 失效
标题翻译：高密度磁光盘及其制造方法
公开(公告)号：US5747136A
公开(公告)日：1998-05-05
申请号：US309966
申请日：1994-09-20
申请人： Keiji Shono , Yasunobu Hashimoto , Sumio Kuroda , Ken Tamanoi
发明人： Keiji Shono , Yasunobu Hashimoto , Sumio Kuroda , Ken Tamanoi
IPC分类号： G11B11/10 , G11B11/105 , G11B5/66
CPC分类号： G11B11/10586 , Y10S428/90
摘要： A magneto-optic disk has a readout layer formed of a bismuth-substituted garnet having a chemical composition represented by Bi.sub.x R.sub.3-x M.sub.y Fe.sub.5-y O.sub.12 and a recording layer formed of a nonbismuth-substituted garnet having a chemical composition represented by R.sub.3 M, Fe.sub.5-z O.sub.12 (where 0.ltoreq.x.ltoreq.3, 0.ltoreq.y
摘要翻译：磁光盘具有由具有由Bix R3-x My Fe5-yO12表示的化学组成的铋取代石榴石形成的读出层和由具有由R3 M表示的化学组成的无铋取代石榴石形成的记录层，Fe5-z O12（其中0

19. 发明申请

US20070217046A1 Magnetic pattern replication method and magnetic pattern replication apparatus 审中-公开
标题翻译：磁图复制方法和磁图复制装置
公开(公告)号：US20070217046A1
公开(公告)日：2007-09-20
申请号：US11455793
申请日：2006-06-20
申请人： Yutaka Nakamura , Sumio Kuroda , Hiroyuki Suzuki
发明人： Yutaka Nakamura , Sumio Kuroda , Hiroyuki Suzuki
IPC分类号： G11B5/86
CPC分类号： G11B5/865 , G11B5/5965
摘要： Magnetic pattern replication method and apparatus suitable for high-density, compact small diameter magnetic recording medium, and for which a master information carrier are proposed. The magnetic pattern replication method includes the steps of forming on one surface of the master information carrier a plurality of magnetic patterns corresponding to the information that is to be recorded on the disk-shaped magnetic recording medium having a diameter smaller than that of said master information carrier; bringing into contact and aligning said magnetic recording medium with the respective plurality of magnetic patterns formed on one surface of said master information carrier; and applying direct current magnetic fields corresponding respectively to said plurality of magnetic patterns to transfer said plurality of magnetic patterns formed on the master information carrier onto said contacting and aligned disk-shaped magnetic recording media corresponding to the respective said magnetic patterns.
摘要翻译：适用于高密度，紧凑型小直径磁记录介质的磁图复制方法和装置，并提出了主信息载体。磁图案复制方法包括以下步骤：在主信息载体的一个表面上形成与要记录在直径小于所述主信息的盘形磁记录介质的信息相对应的多个磁图案载体使所述磁记录介质与形成在所述主信息载体的一个表面上的相应的多个磁图形接触和对准; 并且分别施加与所述多个磁图案相对应的直流磁场，以将形成在主信息载体上的所述多个磁图案转印到对应于相应的所述磁图案的所述接触和对准的盘形磁记录介质上。

20. 发明申请

US20070177290A1 Magnetic transferring apparatus 失效
标题翻译：磁转移装置
公开(公告)号：US20070177290A1
公开(公告)日：2007-08-02
申请号：US11390693
申请日：2006-03-28
申请人： Hiroyuki Suzuki , Sumio Kuroda , Yutaka Nakamura
发明人： Hiroyuki Suzuki , Sumio Kuroda , Yutaka Nakamura
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： A magnetic transferring apparatus allows attachment of a first magnet to a first holder. A second magnet is attached to a second holder. The first and second holders are located in a space between first and second magnets. A magnetic disk and a master member are located in a space between the first and second holders. The magnetic attraction is generated between the first and second magnets. The magnetic attraction serves to bring the first and second holders closer to each other, so that magnetic pieces of the master member is brought in a close contact with the magnetic disk between the first and second holders. The magnetic flux runs between the first and second based on the contact between the magnetic pieces and the magnetic disk. A servo pattern can in this manner be established in the magnetic disk.
摘要翻译：磁转移装置允许将第一磁体附接到第一保持器。第二磁体连接到第二支架。第一和第二保持器位于第一和第二磁体之间的空间中。磁盘和主构件位于第一和第二保持器之间的空间中。在第一和第二磁体之间产生磁吸引力。磁吸引用于使第一和第二保持器彼此靠近，使得主构件的磁片与第一和第二保持器之间的磁盘紧密接触。基于磁片和磁盘之间的接触，磁通量在第一和第二之间延伸。这样可以在磁盘中建立伺服模式。

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