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31.发明申请METHOD OF MANUFACTURING DISCRETE TRACK RECORDING MEDIUM AND DISCRETE TRACK RECORDING MEDIUM 失效分离轨迹记录介质和分离轨迹记录介质的制造方法公开(公告)号：US20090195929A1
公开(公告)日：2009-08-06
申请号：US12400446
申请日：2009-03-09
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a discrete track recording medium includes forming protruded magnetic patterns on a substrate, and repeating processes of depositing a nonmagnetic material so as to be filled in recesses between the magnetic patterns and etching back the nonmagnetic material two or more times with rotating the substrate in a plane thereof by an angle less than one revolution.
摘要翻译： 根据一个实施例，制造离散轨道记录介质的方法包括在基板上形成突出的磁图案，并且重复沉积非磁性材料以便填充在磁性图案之间的凹部中并且蚀刻非磁性材料2或 更多次，使基板在其平面内以小于一转的角度旋转。
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32.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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33.发明申请METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM 失效制造磁记录介质和磁记录介质的方法公开(公告)号：US20120009439A1
公开(公告)日：2012-01-12
申请号：US13236726
申请日：2011-09-20
IPC分类号： G11B5/74
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes forming protruded magnetic patterns on a substrate, depositing a nonmagnetic material in recesses between the magnetic patterns and on the magnetic patterns, and etching back the nonmagnetic material using an oxygen-containing etching gas while reforming a surface of the nonmagnetic material.
摘要翻译： 根据一个实施例，一种制造磁记录介质的方法包括在基片上形成突出的磁图案，在非磁性材料之间的磁性图案之间的凹槽中和非磁性材料上沉积非磁性材料，并使用含氧蚀刻 气体同时重整非磁性材料的表面。
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34.发明授权Method of manufacturing discrete track recording medium and discrete track recording medium 失效离散轨道记录介质和离散轨道记录介质的制造方法公开(公告)号：US07927467B2
公开(公告)日：2011-04-19
申请号：US12400446
申请日：2009-03-09
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a discrete track recording medium includes forming protruded magnetic patterns on a substrate, and repeating processes of depositing a nonmagnetic material so as to be filled in recesses between the magnetic patterns and etching back the nonmagnetic material two or more times with rotating the substrate in a plane thereof by an angle less than one revolution.
摘要翻译： 根据一个实施例，制造离散轨道记录介质的方法包括在基板上形成突出的磁图案，并且重复沉积非磁性材料以便填充在磁性图案之间的凹部中并且蚀刻非磁性材料2或 更多次，使基板在其平面内以小于一转的角度旋转。
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公开(公告)号：US07898768B2
公开(公告)日：2011-03-01
申请号：US11724328
申请日：2007-03-15
IPC分类号： G11B5/82
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/59655 , G11B5/743 , G11B5/855
摘要： A patterned media has a substrate, and a magnetic recording layer on the substrate including protruded magnetic patterns and a nonmagnetic material filled in between the protruded magnetic patterns. In the patterned media, a depth Db and a depth Da, which are defined that Db is a depth from a surface of the magnetic patterns to a surface of the nonmagnetic material filled in a first central part between the magnetic patterns adjacent to each other in a cross-track direction or a down-track direction, and Da is a depth from a surface of the magnetic patterns to a surface of the nonmagnetic material filled in a second central part in a portion surrounded by the magnetic patterns, have a relationship that the depth Da is greater than the depth Db.
摘要翻译： 图案化介质具有基板，并且在基板上的磁记录层包括突出的磁图案和填充在突出磁图案之间的非磁性材料。 在图案化介质中，深度Db和深度Da被定义为Db是从磁图案的表面到填充在彼此相邻的磁图案之间的第一中心部分的非磁性材料的表面的深度 交叉轨道方向或向下轨道方向，并且Da是从磁图案的表面到填充在由磁图案包围的部分中的第二中心部分中的非磁性材料的表面的深度，具有如下关系： 深度Da大于深度Db。
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36.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：US20090232928A1
公开(公告)日：2009-09-17
申请号：US12473071
申请日：2009-05-27
CPC分类号： G11B7/261 , B29C33/424 , B29C2033/426 , B82Y10/00 , B82Y40/00 , C25D1/10 , G03F7/0002 , G11B7/263 , H01F41/34
摘要： According to one embodiment, a method of manufacturing a stamper includes forming a conductive layer on a surface of a master having patterns of protrusions and recesses, forming an electroforming layer on the conductive layer, separating the electroforming layer and the conductive layer from the master to form a stamper to which the patterns of protrusions and recesses of the master are transferred, removing a resist left on the surface of the stamper, and etching the surface of the stamper with an acidic solution having a pH value of less than 3.
摘要翻译： 根据一个实施例，制造压模的方法包括在具有突起和凹槽图案的母版表面上形成导电层，在导电层上形成电铸层，将电铸层和导电层与母模分离成 形成压模，母模的突起和凹部的图案被转印到其上，去除压模表面上的抗蚀剂，并用pH值小于3的酸性溶液蚀刻压模的表面。
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公开(公告)号：US08551348B2
公开(公告)日：2013-10-08
申请号：US12548374
申请日：2009-08-26
IPC分类号： B44C1/22
CPC分类号： G11B5/855
摘要： A magnetic recording medium has magnetic patterns formed of a patterned ferromagnetic layer, and a non-magnetic layer including a component of the ferromagnetic layer and separating the magnetic patterns, in which a thickness “a” of the non-magnetic layer and a thickness “b” of the magnetic patterns satisfy a relationship of: a
摘要翻译： 磁记录介质具有由图案化的铁磁层形成的磁图案和包含铁磁性层的成分的非磁性层，并分离磁性图案，其中非磁性层的厚度“a”和厚度“ 磁性图案的“b”满足以下关系：a
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39.发明授权Patterned media and method of manufacturing the same, and magnetic recording apparatus 有权图案化介质及其制造方法以及磁记录装置公开(公告)号：US08257560B2
公开(公告)日：2012-09-04
申请号：US12805471
申请日：2010-08-02
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/59655 , G11B5/743 , G11B5/855
摘要： A patterned media has a substrate, and a magnetic recording layer on the substrate including protruded magnetic patterns and a nonmagnetic material filled in between the protruded magnetic patterns. In the patterned media, a depth Db and a depth Da, which are defined that Db is a depth from a surface of the magnetic patterns to a surface of the nonmagnetic material filled in a first central part between the magnetic patterns adjacent to each other in a cross-track direction or a down-track direction, and Da is a depth from a surface of the magnetic patterns to a surface of the nonmagnetic material filled in a second central part in a portion surrounded by the magnetic patterns, have a relationship that the depth Da is greater than the depth Db.
摘要翻译： 图案化介质具有基板，并且在基板上的磁记录层包括突出的磁图案和填充在突出磁图案之间的非磁性材料。 在图案化介质中，深度Db和深度Da被定义为Db是从磁图案的表面到填充在彼此相邻的磁图案之间的第一中心部分的非磁性材料的表面的深度 交叉轨道方向或向下轨道方向，并且Da是从磁图案的表面到填充在由磁图案包围的部分中的第二中心部分中的非磁性材料的表面的深度，具有如下关系： 深度Da大于深度Db。
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40.发明申请METHOD OF MANUFACTURING DISCRETE TRACK RECORDING MEDIUM AND DISCRETE TRACK RECORDING MEDIUM 审中-公开分离轨迹记录介质和分离轨迹记录介质的制造方法公开(公告)号：US20110165438A1
公开(公告)日：2011-07-07
申请号：US13048017
申请日：2011-03-15
IPC分类号： G11B5/00
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a discrete track recording medium includes forming protruded magnetic patterns on a substrate, and repeating processes of depositing a nonmagnetic material so as to be filled in recesses between the magnetic patterns and etching back the nonmagnetic material two or more times with rotating the substrate in a plane thereof by an angle less than one revolution.
摘要翻译： 根据一个实施例，制造离散轨道记录介质的方法包括在基板上形成突出的磁图案，并且重复沉积非磁性材料以便填充在磁性图案之间的凹部中并且蚀刻非磁性材料2或 更多次，使基板在其平面内以小于一转的角度旋转。
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