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1.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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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：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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3.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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4.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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5.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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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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公开(公告)号：US07195827B2
公开(公告)日：2007-03-27
申请号：US10722599
申请日：2003-11-28
IPC分类号： G11B5/66
CPC分类号： G11B5/732 , G11B5/65 , G11B5/7325
摘要： A perpendicular magnetic recording medium includes a substrate, an underlayer formed on the substrate, and containing at least one element selected from the group A consisting of Pt, Pd, Rh, Ag, Au, Ir and Fe, and at least one element or compound selected from the group B consisting of C, Ta, Mo, W, Nb, Zr, Hf, V, Mg, Al, Zn, Sn, In, Bi, Pb, Cd, SiO2, MgO, Al2O3, TaC, TiC, TaN, TiN, B2O3, ZrO2, In2O3 and SnO2, and a magnetic layer formed on the underlayer, containing at least one element selected from the group consisting of Fe, Co, and Ni, and at least one element selected from the group consisting of Pt, Pd, Au and Ir, and containing crystal grains having an L10 structure.
摘要翻译： 垂直磁记录介质包括衬底，形成在衬底上的底层，并且包含选自由Pt，Pd，Rh，Ag，Au，Ir和Fe组成的组A中的至少一种元素，以及至少一种元素或化合物 选自由C，Ta，Mo，W，Nb，Zr，Hf，V，Mg，Al，Zn，Sn，In，Bi，Pb，Cd，SiO 2，MgO组成的组B ，Al 2 O 3，TaC，TiC，TaN，TiN，B 2 O 3 3，ZrO 2 3 3＆lt; 2＆gt;和在底层上形成的含有至少一个元素的磁性层 选自Fe，Co和Ni中的至少一种元素，以及选自Pt，Pd，Au和Ir中的至少一种元素，并且含有具有L 1 O 3结构的晶粒。
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公开(公告)号：US07686972B2
公开(公告)日：2010-03-30
申请号：US11705037
申请日：2007-02-12
摘要： It is made possible to manufacturing a magnetic recording medium capable of high-density recording at low cost. A method for manufacturing a magnetic recording medium, includes: forming a magnetic film on a substrate; and forming a pattern transfer film, into which a concavo-convex pattern of a magnetic recording medium is to be transferred by imprinting, by vapor-depositing a material for forming the pattern transfer film onto the magnetic film while heating the material at a temperature of 100° C. to 400° C. in a vacuum of 1×10−3 Torr or less.
摘要翻译： 能够以低成本制造能够高密度记录的磁记录介质。 一种制造磁记录介质的方法，包括：在基板上形成磁膜; 并且通过在形成图案转印膜的材料上气相沉积到磁性膜上形成图案转印膜，通过压印将磁记录介质的凹凸图案转印到该图案转印膜中，同时在 在1×10 -3 Torr或更低的真空中为100℃至400℃。
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公开(公告)号：US20070207263A1
公开(公告)日：2007-09-06
申请号：US11705037
申请日：2007-02-12
摘要： It is made possible to manufacturing a magnetic recording medium capable of high-density recording at low cost. A method for manufacturing a magnetic recording medium, includes: forming a magnetic film on a substrate; and forming a pattern transfer film, into which a concavo-convex pattern of a magnetic recording medium is to be transferred by imprinting, by vapor-depositing a material for forming the pattern transfer film onto the magnetic film while heating the material at a temperature of 100° C. to 400° C. in a vacuum of 1×10−3 Torr or less.
摘要翻译： 能够以低成本制造能够高密度记录的磁记录介质。 一种制造磁记录介质的方法，包括：在基板上形成磁膜; 并且通过在形成图案转印膜的材料上气相沉积到磁性膜上形成图案转印膜，通过压印将磁记录介质的凹凸图案转印到该图案转印膜中，同时在 在1×10 -3乇或更低的真空中，100℃至400℃。
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10.发明申请公开(公告)号：US20090135519A1
公开(公告)日：2009-05-28
申请号：US12292564
申请日：2008-11-20
摘要： A magnetic recording medium includes a disk substrate, and recording cells arrayed on the disk substrate in a track direction, the recording cells includes a ferromagnetic pattern and a magnetic pattern formed on one of two sidewalls of the ferromagnetic pattern in the track direction and having a lower crystalline magnetic anisotropy constant Ku than that of the ferromagnetic pattern.
摘要翻译： 磁记录介质包括磁盘基板和磁道基板上沿轨道方向排列的记录单元，记录单元包括铁磁图案和形成在轨道方向的铁磁图案的两个侧壁中的一个侧壁上的磁性图案，并且具有 比铁磁性图案低的结晶磁各向异性常数Ku。
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