-
公开(公告)号：US08338007B2
公开(公告)日：2012-12-25
申请号：US12285015
申请日：2008-09-26
IPC分类号： G11B5/667
摘要： A magnetic recording medium a magnetic recording medium includes a soft magnetic layer formed on a substrate, magnetic patterns made of a protruded ferromagnetic layer separated from each other on the soft magnetic layer, and a nonmagnetic layer formed between the magnetic patterns, a nitrogen concentration therein being higher on a surface side than on a substrate side.
摘要翻译： 一种磁记录介质，磁记录介质包括形成在基板上的软磁性层，在软磁层上由彼此分离的突出的铁磁层形成的磁性图案，以及形成在磁性图案之间的非磁性层，其中的氮浓度 在表面侧比在基板侧高。
-
公开(公告)号：US08652338B2
公开(公告)日：2014-02-18
申请号：US13678303
申请日：2012-11-15
IPC分类号： B44C1/22
摘要： A magnetic recording medium a magnetic recording medium includes a soft magnetic layer formed on a substrate, magnetic patterns made of a protruded ferromagnetic layer separated from each other on the soft magnetic layer, and a nonmagnetic layer formed between the magnetic patterns, a nitrogen concentration therein being higher on a surface side than on a substrate side.
摘要翻译： 一种磁记录介质，磁记录介质包括形成在基板上的软磁性层，在软磁层上由彼此分离的突出的铁磁层形成的磁性图案，以及形成在磁性图案之间的非磁性层，其中的氮浓度 在表面侧比在基板侧高。
-
3.发明申请MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING APPARATUS 审中-公开磁记录介质，其制造方法和磁记录装置公开(公告)号：US20090161257A1
公开(公告)日：2009-06-25
申请号：US12400341
申请日：2009-03-09
申请人： Akiko Yuzawa , Masatoshi Sakurai , Yoshiyuki Kamata , Satoshi Shirotori , Kaori Kimura , Tsuyoshi Onitsuka
发明人： Akiko Yuzawa , Masatoshi Sakurai , Yoshiyuki Kamata , Satoshi Shirotori , Kaori Kimura , Tsuyoshi Onitsuka
摘要： According to one embodiment, a magnetic recording medium includes protruded magnetic patterns formed on a substrate, and a non-magnetic material filled in recesses between the magnetic patterns and made of a multi-element amorphous alloy containing Ni or Cu, and two or more metals selected from the group consisting of Ta, Nb, Ti, Zr, Hf, Cr, Mo and Ag.
摘要翻译： 根据一个实施例，磁记录介质包括形成在基板上的突出的磁图案和填充在磁图案之间的凹部中的非磁性材料，并且由含有Ni或Cu的多元非晶合金和两种或更多种金属制成 选自Ta，Nb，Ti，Zr，Hf，Cr，Mo和Ag组成的组。
-
公开(公告)号：US20090081482A1
公开(公告)日：2009-03-26
申请号：US12285015
申请日：2008-09-26
摘要： A magnetic recording medium a magnetic recording medium includes a soft magnetic layer formed on a substrate, magnetic patterns made of a protruded ferromagnetic layer separated from each other on the soft magnetic layer, and a nonmagnetic layer formed between the magnetic patterns, a nitrogen concentration therein being higher on a surface side than on a substrate side.
摘要翻译： 一种磁记录介质，磁记录介质包括形成在基板上的软磁性层，在软磁层上由彼此分离的突出的铁磁层形成的磁性图案，以及形成在磁性图案之间的非磁性层，其中的氮浓度 在表面侧比在基板侧高。
-
5.发明授权公开(公告)号：US08043516B2
公开(公告)日：2011-10-25
申请号：US12400224
申请日：2009-03-09
IPC分类号： B44C1/22
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。
-
公开(公告)号：US07923136B2
公开(公告)日：2011-04-12
申请号：US12431671
申请日：2009-04-28
IPC分类号： G11B5/66
CPC分类号： G11B5/855
摘要： According to one embodiment, a magnetic recording medium includes magnetic patterns made of a ferromagnetic recording layer containing Co, and a nonmagnetic layer which separates the magnetic patterns and has a lower Co concentration than the magnetic patterns.
摘要翻译： 根据一个实施例，磁记录介质包括由包含Co的铁磁记录层制成的磁图案和分离磁图案并且具有比磁图案低的Co浓度的非磁性层。
-
公开(公告)号：US20090317662A1
公开(公告)日：2009-12-24
申请号：US12548374
申请日：2009-08-26
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
-
8.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。
-
9.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。
-
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
-
-
-
-
-
-
-
-
-
搜索结果
63 条记录 (耗时 0.025 秒)