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1.发明授权Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus 有权用于磁记录介质的基板，磁记录介质和磁记录装置公开(公告)号：US08059368B2
公开(公告)日：2011-11-15
申请号：US12801299
申请日：2010-06-02
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/82
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译： 可以改善记录和再现S / N比，再现信号强度和高密度记录程度。 提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个 记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积 部分。
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2.发明授权Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus 有权用于磁记录介质的基板，磁记录介质和磁记录装置公开(公告)号：US07760467B2
公开(公告)日：2010-07-20
申请号：US11397892
申请日：2006-04-05
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/82
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译： 可以改善记录和再现S / N比，再现信号强度和高密度记录程度。 提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个 记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积 部分。
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3.发明申请SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS 有权用于磁记录介质，磁记录介质和磁记录和再现装置的基板公开(公告)号：US20090273858A1
公开(公告)日：2009-11-05
申请号：US12503458
申请日：2009-07-15
申请人： Kaori KIMURA , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori KIMURA , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/187
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译： 可以改善记录和再现S / N比，再现信号强度和高密度记录程度。 提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个 记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积 部分。
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4.发明申请Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus 有权用于磁记录介质的基板，磁记录介质和磁记录装置公开(公告)号：US20070053107A1
公开(公告)日：2007-03-08
申请号：US11397892
申请日：2006-04-05
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/82
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译： 可以改善记录和再现S / N比，再现信号强度和高密度记录程度。 提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个 记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积 部分。
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5.发明授权Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus 有权用于磁记录介质的基板，磁记录介质和磁记录和重放装置公开(公告)号：US07936537B2
公开(公告)日：2011-05-03
申请号：US12503458
申请日：2009-07-15
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/82
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
摘要翻译： 可以改善记录和再现S / N比，再现信号强度和高密度记录程度。 提供了形成在基板上的多个记录轨道，每个记录磁道由磁性材料形成，而非记录部分形成在基板上，每个非记录部分分隔相邻的记录磁道，每个记录磁道包括多个 记录部分和连接部分，用于在轨道纵向方向上连接与其相邻的记录部分，并且每个连接部分在轨道宽度方向上的横截面积小于相邻记录的轨道宽度方向上的横截面积 部分。
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6.发明申请公开(公告)号：US20100247974A1
公开(公告)日：2010-09-30
申请号：US12801299
申请日：2010-06-02
申请人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
发明人： Kaori Kimura , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Satoshi Shirotori , Hiroyuki Hieda
IPC分类号： G11B5/706
摘要： It is possible to improve the recording and reproducing S/N ratio, the reproduction signal intensity, and the degree of high density recording. There are provided a plurality of recording tracks formed on a substrate, each recording track being formed of a magnetic material, and non-recording sections formed on the substrate, each non-recording section separating adjacent recording tracks, each recording track including a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section having a cross-sectional area in a track width direction that is smaller than a cross-sectional area in a track width direction of adjacent recording sections.
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7.发明申请Magnetic Recording Media, Magnetic Recording Apparatus, and Method for Manufacturing Magnetic Recording Media 审中-公开磁记录媒体，磁记录装置及制造磁记录介质的方法公开(公告)号：US20110011830A1
公开(公告)日：2011-01-20
申请号：US12891570
申请日：2010-09-27
IPC分类号： G11B5/84
CPC分类号： G11B5/82 , G11B5/667 , G11B5/72 , G11B5/7315 , G11B5/7325 , G11B5/855
摘要： A magnetic recording media includes a toroidal substrate, a surface thereof is divided into a recording area located in a central part between an outer peripheral edge and an inner peripheral edge, edge areas located within 100 μm or more and 2,000 μm or less from the outer and inner peripheral edges, respectively, and adjacent areas located between the edge areas and the recording area, respectively, a magnetic film on the substrate, and a protective film on the magnetic film, in which the magnetic film is thinner in the edge areas than that in the adjacent areas, and at least a part of the protective film in the edge areas is thicker than that in the adjacent areas.
摘要翻译： 磁记录介质包括环形基板，其表面被分成位于外周边缘和内周边缘之间的中心部分的记录区域，位于外侧100微米以上至2000微米以下的边缘区域 分别位于边缘区域和记录区域之间的内周边缘和相邻区域，基板上的磁性膜和磁性膜上的保护膜，其中磁性膜在边缘区域中比薄 在相邻区域中，边缘区域中的保护膜的至少一部分比相邻区域的保护膜厚。
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8.发明申请公开(公告)号：US20070230055A1
公开(公告)日：2007-10-04
申请号：US11723977
申请日：2007-03-22
IPC分类号： G11B5/82
CPC分类号： G11B5/82 , G11B5/667 , G11B5/72 , G11B5/7315 , G11B5/7325 , G11B5/855
摘要： A magnetic recording media includes a toroidal substrate, a surface thereof is divided into a recording area located in a central part between an outer peripheral edge and an inner peripheral edge, edge areas located within 100 μm or more and 2,000 μm or less from the outer and inner peripheral edges, respectively, and adjacent areas located between the edge areas and the recording area, respectively, a magnetic film on the substrate, and a protective film on the magnetic film, in which the magnetic film is thinner in the edge areas than that in the adjacent areas, and at least a part of the protective film in the edge areas is thicker than that in the adjacent areas.
摘要翻译： 磁记录介质包括环形基板，其表面被分成位于外周边缘和内周边缘之间的中心部分的记录区域，位于距离外部边缘100μm以上且2000μm以下的边缘区域 分别位于边缘区域和记录区域之间的内周边缘和相邻区域，基板上的磁性膜和磁性膜上的保护膜，其中磁性膜在边缘区域中比薄 在相邻区域中，边缘区域中的保护膜的至少一部分比相邻区域的保护膜厚。
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9.发明授权Magnetic recording medium with thicker protective film in edge areas and magnetic recording apparatus using the medium 有权在边缘区域具有较厚保护膜的磁记录介质和使用介质的磁记录装置公开(公告)号：US07826176B2
公开(公告)日：2010-11-02
申请号：US11723977
申请日：2007-03-22
CPC分类号： G11B5/82 , G11B5/667 , G11B5/72 , G11B5/7315 , G11B5/7325 , G11B5/855
摘要： A magnetic recording media includes a toroidal substrate, a surface thereof is divided into a recording area located in a central part between an outer peripheral edge and an inner peripheral edge, edge areas located within 100 μm or more and 2,000 μm or less from the outer and inner peripheral edges, respectively, and adjacent areas located between the edge areas and the recording area, respectively, a magnetic film on the substrate, and a protective film on the magnetic film, in which the magnetic film is thinner in the edge areas than that in the adjacent areas, and at least a part of the protective film in the edge areas is thicker than that in the adjacent areas.
摘要翻译： 磁记录介质包括环形基板，其表面被分成位于外周边缘和内周边缘之间的中心部分的记录区域，位于外侧100微米以上至2000微米以下的边缘区域 分别位于边缘区域和记录区域之间的内周边缘和相邻区域，基板上的磁性膜和磁性膜上的保护膜，其中磁性膜在边缘区域中比薄 在相邻区域中，边缘区域中的保护膜的至少一部分比相邻区域的保护膜厚。
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10.发明申请Stamper for magnetic recording media, method of manufacturing magnetic recording media using the same, and method of manufacturing stamper for magnetic recording media 失效用于磁记录介质的压模，使用该磁记录介质的磁记录介质的制造方法以及制造用于磁记录介质的压模的方法公开(公告)号：US20070070548A1
公开(公告)日：2007-03-29
申请号：US11527467
申请日：2006-09-27
IPC分类号： G11B5/82
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/855 , Y10S425/81
摘要： According to one embodiment, a stamper for a magnetic recording media has patterns of protrusions and recesses to manufacture a discrete track recording type magnetic recording media having servo areas including an address portion, a preamble portion and a burst portion, and data areas including a recording track portion, the patterns of protrusions and recesses being formed at a pitch of 400 nm or less, in which a magnitude relation of depths of recesses corresponding to the address portion, the preamble portion, the burst portion and the recording track portion is inverted to a magnitude relation of area ratios of the protrusions to the recesses in the address portion, the preamble portion, the burst portion and the recording track portion.
摘要翻译： 根据一个实施例，用于磁记录介质的压模具有突起和凹槽的图案，以制造具有包括地址部分，前导码部分和突发部分的伺服区域的离散轨道记录型磁记录介质，以及包括记录 轨道部分，以400nm或更小的间距形成的突起和凹陷的图案，其中对应于地址部分，前导码部分，突发部分和记录轨道部分的凹部的深度的大小关系被反转到 在地址部分，前导码部分，突发部分和记录轨道部分中的突起与凹部的面积比的大小关系。
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