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公开(公告)号：US20100196528A1
公开(公告)日：2010-08-05
申请号：US12695936
申请日：2010-01-28
CPC分类号： G11B5/855
摘要： According to one embodiment, a stamper includes patterns corresponding to recording tracks or recording bits in a data region and patterns corresponding to information in a servo region formed in protrusions and recesses on a front side of the stamper, in which an inner periphery and an outer periphery are processed and, on a back side, an inner peripheral edge, an outer peripheral edge and a main surface of the back side lie on the same plane.
摘要翻译： 根据一个实施例，压模包括对应于数据区域中的记录轨道或记录位的图案，以及对应于形成在压模正面上的突起和凹陷中的伺服区域中的信息的图案，其中内周和外 周边被处理，并且在背面上，内侧边缘，外周边缘和后侧的主表面位于同一平面上。
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公开(公告)号：US20100260885A1
公开(公告)日：2010-10-14
申请号：US12757794
申请日：2010-04-09
申请人： Ryouichi TAKAHASHI , Satoshi SHIROTORI , Tsuyoshi ONITSUKA , Yoshiyuki KAMATA , Masatoshi SAKURAI
发明人： Ryouichi TAKAHASHI , Satoshi SHIROTORI , Tsuyoshi ONITSUKA , Yoshiyuki KAMATA , Masatoshi SAKURAI
IPC分类号： B29C43/10
CPC分类号： G03F7/0002 , B82Y10/00 , B82Y40/00
摘要： According to one embodiment, an imprinting apparatus includes a first mold configured to hold a disk-shaped stamper on which patterns of recesses and protrusions are formed, a second mold configured to hold a disk-shaped substrate to which a resist is applied so that the substrate faces the stamper held by the first mold, and a suction ring which is disposed around the first mold and in which an inner groove and an outer groove are formed to correspond to an outer periphery portion of the stamper held by the first mold, the inner groove being opened to atmosphere and the outer groove being vacuum-suctioned.
摘要翻译： 根据一个实施例，压印设备包括：第一模具，其被配置为保持其上形成有凹部和突起的图案的盘形压模;第二模具，其构造成保持施加有抗蚀剂的盘状基板， 基板面对由第一模具保持的压模，以及设置在第一模具周围的吸入环，其中内槽和外槽形成为对应于由第一模具保持的压模的外周部分， 内槽向大气开放，外槽被真空抽吸。
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公开(公告)号：US20100000965A1
公开(公告)日：2010-01-07
申请号：US12558372
申请日：2009-09-11
IPC分类号： G11B5/84
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes depositing a magnetic recording layer on a substrate, forming masks on areas corresponding to recording regions of the magnetic recording layer, partially etching the magnetic recording layer in areas not covered with the masks with an etching gas to form protrusions and recesses on the magnetic recording layer, modifying the magnetic recording layer remaining in the recesses with a modifying gas to form non-recording regions, and forming a protecting film on an entire surface.
摘要翻译： 根据一个实施例，制造磁记录介质的方法包括在基片上沉积磁记录层，在与磁记录层的记录区相对应的区域上形成掩模，在未被掩模覆盖的区域中部分蚀刻磁记录层 用蚀刻气体在磁记录层上形成突起和凹陷，用修改气体改变留在凹槽中的磁记录层，形成非记录区，并在整个表面上形成保护膜。
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4.发明申请SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS 审中-公开用于磁记录介质，磁记录介质和磁记录和再现装置的基板公开(公告)号：US20110164337A1
公开(公告)日：2011-07-07
申请号：US13047077
申请日：2011-03-14
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： In an example magnetic recording medium substrate, a plurality of recording tracks are formed on a substrate, each recording track being formed of a magnetic material. Non-recording sections are formed on the substrate, each non-recording section separating adjacent recording tracks. Each recording track includes a plurality of recording sections and connecting sections for connecting the recording sections adjacent thereto in a track longitudinal direction, and each connecting section has 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： 在一个示例性磁记录介质基板中，在基板上形成多个记录磁道，每个记录磁道由磁性材料形成。 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道。 每个记录轨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，并且每个连接部分具有在轨道宽度方向上的横截面积小于横截面积的横截面积 相邻记录部的轨道宽度方向。
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公开(公告)号：US20100006537A1
公开(公告)日：2010-01-14
申请号：US12561151
申请日：2009-09-16
申请人： Yoshiyuki KAMATA , Akira KIKITSU , Yosuke ISOWAKI , Kaori KIMURA , Satoshi SHIROTORI , Masatoshi SAKURAI
发明人： Yoshiyuki KAMATA , Akira KIKITSU , Yosuke ISOWAKI , Kaori KIMURA , Satoshi SHIROTORI , Masatoshi SAKURAI
IPC分类号： B44C1/22
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes depositing a magnetic recording layer on a substrate, the magnetic recording layer having a multi-layered structure of two or more layers at least one layer of which has a granular structure including CoCrPt alloy and SiO2, TiO2, CrO2, CoO2 or Ta2O5, forming masks on areas corresponding to recording regions of the magnetic recording layer, partially etching the magnetic recording layer in areas not covered with the masks with an etching gas to expose the granular layer of the magnetic recording layer and to form protrusions and recesses on the magnetic recording layer, modifying the granular layer of the magnetic recording layer remaining in the recesses with modifying gas, promoting modification reaction to form non-recording regions, and forming a protective film on an entire surface.
摘要翻译： 根据一个实施例，制造磁记录介质的方法包括在基片上沉积磁记录层，该磁记录层具有两层或更多层的多层结构，其至少一层具有包括CoCrPt 合金和SiO 2，TiO 2，CrO 2，CoO 2或Ta 2 O 5，在与磁记录层的记录区相对应的区域上形成掩模，用蚀刻气体部分蚀刻未被掩模覆盖的区域中的磁记录层，以暴露出 磁记录层，并在磁记录层上形成凸起和凹槽，用改性气体改性残留在凹槽中的磁记录层的颗粒层，促进改性反应形成非记录区，并在整体上形成保护膜 表面。
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6.发明申请公开(公告)号：US20110132752A1
公开(公告)日：2011-06-09
申请号：US12961388
申请日：2010-12-06
CPC分类号： G11B5/855 , B82Y10/00 , B82Y40/00 , C25D1/003 , C25D1/10 , G03F7/0002 , G11B5/746 , G11B5/865
摘要： According to one embodiment, an electroforming master comprises a patterns of protrusions and recesses formed on one major surface of an Si substrate having two major surfaces, corresponding to information for positioning of a read/write head (a preamble, address, and burst), recording tracks or recording bits. Impurity ions are doped in the surface of this patterns of protrusions and recesses. The impurity ion concentration distribution in the film thickness direction of the Si substrate has a peak in a portion from the patterns of protrusions and recesses surface to a depth of 40 nm in the film thickness direction. The impurity concentration of this peak is 1×1020 to 2×1021 ions/cm3.
摘要翻译： 根据一个实施例，电铸母版包括形成在具有两个主表面的Si衬底的一个主表面上的突起和凹槽的图案，其对应于用于定位读/写头（前导码，地址和突发）的信息， 记录轨道或记录位。 杂质离子掺杂在这种突起和凹陷图案的表面。 Si衬底的膜厚方向上的杂质离子浓度分布在从薄膜厚度方向的突起和凹陷表面的图案到深度为40nm的部分中具有峰值。 该峰的杂质浓度为1×1020〜2×1021离子/ cm3。
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公开(公告)号：US20100000966A1
公开(公告)日：2010-01-07
申请号：US12561168
申请日：2009-09-16
IPC分类号： B44C1/22
CPC分类号： G11B5/855 , H01F10/12 , H01F10/265 , H01F41/34
摘要： According to one embodiment, a method of manufacturing a magnetic recording medium includes depositing a magnetic recording layer on a substrate, forming masks on areas corresponding to recording regions of the magnetic recording layer, partially etching the magnetic recording layer in areas not covered with the masks with an etching gas to form protrusions and recesses on the magnetic recording layer, modifying the magnetic recording layer remaining in the recesses with Ne gas to form non-recording regions, and forming a protecting film on an entire surface.
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沉积磁记录层，在与磁记录层的记录区对应的区域上形成掩模，在未被掩模覆盖的区域中部分蚀刻磁记录层 用蚀刻气体在磁记录层上形成突起和凹陷，用Ne气体修饰残留在凹槽中的磁记录层，形成非记录区，并在整个表面上形成保护膜。
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公开(公告)号：US20110262580A1
公开(公告)日：2011-10-27
申请号：US13077537
申请日：2011-03-31
摘要： According to one embodiment, a stamper manufacturing method comprises electroless plating by using a master includes a substrate, a conductive underlayer formed on the substrate and having catalytic activity, projecting patterns having no catalytic activity and partially formed on a surface of the conductive underlayer having catalytic activity, and regions in which the conductive underlayer having catalytic activity is exposed between the projecting patterns to deposite selectively an amorphous conductive layer between the projecting patterns and in the regions in which the conductive underlayer is exposed, and forming stamper projections, electroplating on the stamper projections includes the projecting patterns and the amorphous conductive layer by using the amorphous conductive layer and the conductive underlayer as electrodes to form a stamper main body made of a crystalline metal, and releasing a stamper includes the stamper projections and the stamper main body from the master.
摘要翻译： 根据一个实施例，压模制造方法包括使用主体的无电镀，其包括基板，形成在基板上的具有催化活性的导电底层，具有催化活性的突出图案，并部分地形成在具有催化作用的导电底层的表面上 活性和其中具有催化活性的导电底层在突出图案之间暴露的区域，以选择性地沉积在突出图案之间的非晶导体层和导电底层暴露的区域中，并且形成压模突起，在压模上电镀 突起包括通过使用非晶导体层和导电底层作为电极形成由结晶金属制成的压模主体的突出图案和非晶导体层，并且释放压模包括压模主体和压模主体 。
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公开(公告)号：US20130075358A1
公开(公告)日：2013-03-28
申请号：US13678303
申请日：2012-11-15
IPC分类号： G11B5/851
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，在软磁层上彼此分离的突出的铁磁层形成的磁性图案和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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10.发明申请公开(公告)号：US20150221327A1
公开(公告)日：2015-08-06
申请号：US14171959
申请日：2014-02-04
IPC分类号： G11B5/39
CPC分类号： G11B5/3912 , G01R33/098 , G11B5/1272 , G11B5/3163 , G11B5/3932 , G11B5/398 , G11B2005/3996 , H01L43/08 , H01L43/12 , Y10T29/49826
摘要： According to one embodiment, a magnetoresistance effect element includes first and second shields, first and second side magnetic units, a stacked body, and a hard bias unit. The first side magnetic unit includes a first soft magnetic layer, a first nonmagnetic intermediate layer, and a second soft magnetic layer. The second side magnetic unit includes a third soft magnetic layer, a second nonmagnetic intermediate layer, and a fourth soft magnetic layer. The stacked body includes a fifth ferromagnetic layer, a third nonmagnetic intermediate layer, and a sixth ferromagnetic layer. The hard bias unit is provided between the first and second shields. A first distance between the first and fifth magnetic layers is shorter than a second distance between the second and sixth magnetic layers. A third distance between the third and fifth magnetic layers is shorter than a fourth distance between the fourth and sixth magnetic layers.
摘要翻译： 根据一个实施例，磁阻效应元件包括第一和第二屏蔽，第一和第二侧磁单元，堆叠体和硬偏置单元。 第一侧磁性单元包括第一软磁性层，第一非磁性中间层和第二软磁性层。 第二侧磁性单元包括第三软磁层，第二非磁性中间层和第四软磁层。 层叠体包括第五铁磁层，第三非磁性中间层和第六铁磁层。 硬偏置单元设置在第一和第二屏蔽之间。 第一和第五磁性层之间的第一距离比第二和第六磁性层之间的第二距离短。 第三和第五磁性层之间的第三距离比第四和第六磁性层之间的第四距离短。
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