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1.发明申请MAGNETIC RECORDING MEDIUM, METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING/REPRODUCTION APPARATUS 审中-公开磁记录介质，其制造方法和磁记录/再现装置公开(公告)号：US20120087039A1
公开(公告)日：2012-04-12
申请号：US13164601
申请日：2011-06-20
CPC分类号： G11B5/855
摘要： According to one embodiment, a magnetic recording medium includes a substrate, and a magnetic recording layer formed on the substrate. The magnetic recording layer includes recording portions having patterns regularly arranged in an longitudinal direction and containing cobalt and platinum, and non recording portions formed between the recording portions and containing boron and at least one light rare earth metal selected from the group consisting of yttrium, lanthanum, and cerium.
摘要翻译： 根据一个实施例，磁记录介质包括基板和形成在基板上的磁记录层。 磁记录层包括记录部分，其具有沿纵向方向规则排列并且包含钴和铂的图案，以及形成在记录部分之间并含有硼的非记录部分和至少一种选自钇，镧的轻稀土金属 ，和铈。
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2.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。
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公开(公告)号：US20120028076A1
公开(公告)日：2012-02-02
申请号：US13175485
申请日：2011-07-01
CPC分类号： G11B5/8404 , G11B5/746 , G11B5/82 , G11B5/855 , Y10T428/11
摘要： According to one embodiment, a magnetic recording medium includes a substrate, a soft magnetic layer, an underlayer, a magnetic recording layer, and a protective layer, wherein the magnetic recording layer is provided with a pattern including recording portions and non-recording portions, the non-recording portions have a composition that is equal to a composition obtained by demagnetizing the recording portions, the non-recording portions contain at least one metal element selected from the group consisting of vanadium and zirconium and at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen, and the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen is contained in the non-recording portions at a higher content than the content of the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen in the recording portions.
摘要翻译： 根据一个实施例，磁记录介质包括衬底，软磁层，底层，磁记录层和保护层，其中磁记录层设置有包括记录部分和非记录部分的图案， 非记录部分的组成等于通过使记录部分退磁获得的组合物，非记录部分含有至少一种选自钒和锆的金属元素和至少一种选自组中的元素 由氮，碳，硼和氧组成，并且所述至少一种选自氮，碳，硼和氧的元素以比所述至少一种元素的含量更高的含量包含在非记录部分中 在记录部分中选自氮，碳，硼和氧。
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公开(公告)号：US08507116B2
公开(公告)日：2013-08-13
申请号：US13175485
申请日：2011-07-01
IPC分类号： G11B5/127
CPC分类号： G11B5/8404 , G11B5/746 , G11B5/82 , G11B5/855 , Y10T428/11
摘要： According to one embodiment, a magnetic recording medium includes a substrate, a soft magnetic layer, an underlayer, a magnetic recording layer, and a protective layer, wherein the magnetic recording layer is provided with a pattern including recording portions and non-recording portions, the non-recording portions have a composition that is equal to a composition obtained by demagnetizing the recording portions, the non-recording portions contain at least one metal element selected from the group consisting of vanadium and zirconium and at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen, and the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen is contained in the non-recording portions at a higher content than the content of the at least one element selected from the group consisting of nitrogen, carbon, boron and oxygen in the recording portions.
摘要翻译： 根据一个实施例，磁记录介质包括衬底，软磁层，底层，磁记录层和保护层，其中磁记录层设置有包括记录部分和非记录部分的图案， 非记录部分的组成等于通过使记录部分退磁获得的组合物，非记录部分含有至少一种选自钒和锆的金属元素和至少一种选自组中的元素 由氮，碳，硼和氧组成，并且所述至少一种选自氮，碳，硼和氧的元素以比所述至少一种元素的含量更高的含量包含在非记录部分中 在记录部分中选自氮，碳，硼和氧。
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公开(公告)号：US20120082800A1
公开(公告)日：2012-04-05
申请号：US13216555
申请日：2011-08-24
IPC分类号： C23C14/04
CPC分类号： C23C14/0605 , C23C14/0635 , C23C14/0658 , C23C14/5893 , G11B5/855
摘要： According to one embodiment, there is provided a method for manufacturing a magnetic recording medium, the method including: depositing a magnetic recording layer on a substrate; forming a mask on a region of the magnetic recording layer corresponding to a recording area; irradiating another region of the magnetic recording layer where the mask is not formed with an ion beam using a C-containing gas as a source gas to deactivate the another region and to thereby form a non-recording area; and forming a protective film over an entire surface of the substrate.
摘要翻译： 根据一个实施例，提供了一种用于制造磁记录介质的方法，所述方法包括：在基板上沉积磁记录层; 在对应于记录区域的磁记录层的区域上形成掩模; 使用含C气体作为源气体照射没有形成掩模的磁记录层的另一个区域，使离子束使其另一区域失活，从而形成非记录区域; 以及在所述基板的整个表面上形成保护膜。
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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。
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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。
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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。
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公开(公告)号：US08858809B2
公开(公告)日：2014-10-14
申请号：US13607134
申请日：2012-09-07
申请人： Akira Watanabe , Kaori Kimura , Kazutaka Takizawa , Takeshi Iwasaki , Tsuyoshi Onitsuka , Akihiko Takeo
发明人： Akira Watanabe , Kaori Kimura , Kazutaka Takizawa , Takeshi Iwasaki , Tsuyoshi Onitsuka , Akihiko Takeo
CPC分类号： G11B5/855
摘要： A manufacturing method of a magnetic recording medium includes steps of forming a magnetic recording layer, a first mask layer, a second mask layer containing silicon as primary component, a strip layer, a third mask layer, and a resist layer, a step of patterning the resist layer to provide a pattern, steps of transferring the pattern to the third mask layer, to the strip layer, and to the second mask layer, a step of removing the strip layer by wet etching and of stripping the third mask layer and the resist layer above the magnetic recording layer, steps of transferring the pattern to the first mask layer and to the magnetic recording layer, and a step of stripping the first mask layer remaining on the magnetic recording layer.
摘要翻译： 磁记录介质的制造方法包括以下步骤：形成磁记录层，第一掩模层，含硅作为主要成分的第二掩模层，带状层，第三掩模层和抗蚀剂层，图案化步骤 提供图案的抗蚀剂层，将图案转移到第三掩模层的步骤，到带状层和第二掩模层，通过湿法蚀刻去除剥离层并剥离第三掩模层的步骤和 抗蚀剂层，将图案转印到第一掩模层和磁记录层的步骤，以及剥离残留在磁记录层上的第一掩模层的步骤。
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公开(公告)号：US20130248485A1
公开(公告)日：2013-09-26
申请号：US13607134
申请日：2012-09-07
申请人： Akira Watanabe , Kaori Kimura , Kazutaka Takizawa , Takeshi Iwasaki , Tsuyoshi Onitsuka , Akihiko Takeo
发明人： Akira Watanabe , Kaori Kimura , Kazutaka Takizawa , Takeshi Iwasaki , Tsuyoshi Onitsuka , Akihiko Takeo
IPC分类号： G11B5/84
CPC分类号： G11B5/855
摘要： A manufacturing method of a magnetic recording medium includes steps of forming a magnetic recording layer, a first mask layer, a second mask layer containing silicon as primary component, a strip layer, a third mask layer, and a resist layer, a step of patterning the resist layer to provide a pattern, steps of transferring the pattern to the third mask layer, to the strip layer, and to the second mask layer, a step of removing the strip layer by wet etching and of stripping the third mask layer and the resist layer above the magnetic recording layer, steps of transferring the pattern to the first mask layer and to the magnetic recording layer, and a step of stripping the first mask layer remaining on the magnetic recording layer.
摘要翻译： 磁记录介质的制造方法包括以下步骤：形成磁记录层，第一掩模层，含硅作为主要成分的第二掩模层，带状层，第三掩模层和抗蚀剂层，图案化步骤 提供图案的抗蚀剂层，将图案转移到第三掩模层的步骤，到带状层和第二掩模层，通过湿法蚀刻去除剥离层并剥离第三掩模层的步骤和 抗蚀剂层，将图案转印到第一掩模层和磁记录层的步骤，以及剥离残留在磁记录层上的第一掩模层的步骤。
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