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公开(公告)号：US08681454B2
公开(公告)日：2014-03-25
申请号：US13424266
申请日：2012-03-19
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a patterned medium includes depositing a magnetic recording layer and applying an ultraviolet curable resin on both surfaces of a medium substrate, pressing a first resin stamper and a second resin stamper each including patterns of recesses and protrusions, corresponding to a patterned medium, against both surfaces of the medium substrate in such a manner that a direction from a center of the medium substrate toward a center of the first resin stamper is off-oriented from a direction from the center of the medium substrate toward a center of the second resin stamper to imprint the patterns of recesses and protrusions on the ultraviolet curable resin, and irradiating the ultraviolet curable resin with an ultraviolet ray through each of the first and second resin stampers to cure the ultraviolet curable resin.
摘要翻译： 根据一个实施例，一种制造图案化介质的方法包括沉积磁记录层并在介质基板的两个表面上施加紫外线固化树脂，压制每个包括凹凸图案的第一树脂压模和第二树脂压模， 对应于图案化的介质，以介质基板的中心朝向第一树脂压模的中心的方向从介质基板的中心朝向 所述第二树脂压模的中心在所述紫外线固化树脂上印刷凹凸图案，并且通过所述第一和第二树脂印模机中的每一个照射所述紫外线固化树脂以固化所述紫外线固化树脂。
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公开(公告)号：US20120177948A1
公开(公告)日：2012-07-12
申请号：US13424266
申请日：2012-03-19
IPC分类号： G11B5/82
CPC分类号： G11B5/855
摘要： According to one embodiment, a method of manufacturing a patterned medium includes depositing a magnetic recording layer and applying an ultraviolet curable resin on both surfaces of a medium substrate, pressing a first resin stamper and a second resin stamper each including patterns of recesses and protrusions, corresponding to a patterned medium, against both surfaces of the medium substrate in such a manner that a direction from a center of the medium substrate toward a center of the first resin stamper is off-oriented from a direction from the center of the medium substrate toward a center of the second resin stamper to imprint the patterns of recesses and protrusions on the ultraviolet curable resin, and irradiating the ultraviolet curable resin with an ultraviolet ray through each of the first and second resin stampers to cure the ultraviolet curable resin.
摘要翻译： 根据一个实施例，一种制造图案化介质的方法包括沉积磁记录层并在介质基板的两个表面上施加紫外线固化树脂，压制每个包括凹凸图案的第一树脂压模和第二树脂压模， 对应于图案化的介质，以介质基板的中心朝向第一树脂压模的中心的方向从介质基板的中心朝向 所述第二树脂压模的中心在所述紫外线固化树脂上印刷凹凸图案，并且通过所述第一和第二树脂印模机中的每一个照射所述紫外线固化树脂以固化所述紫外线固化树脂。
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公开(公告)号：US20100264019A1
公开(公告)日：2010-10-21
申请号：US12829450
申请日：2010-07-02
IPC分类号： C23C14/46
CPC分类号： C23F4/00 , B82Y10/00 , G11B5/012 , G11B5/743 , G11B5/82 , G11B5/855 , H01J2237/30466 , H01J2237/3174
摘要： According to one embodiment, a method for manufacturing a magnetic recording medium includes forming patterns having protrusions and recesses of a ferromagnetic material onto a recording track section and a servo section on a substrate, forming a flattening film, a top surface of which is higher than that of the protrusion of the ferromagnetic material, onto the ferromagnetic material, and performing ion beam etching onto the flattening film up to a top surface of the protrusion of the ferromagnetic material, and determining an end point of flattening etching on the basis of a change in the total number of incident particles by means of an ion counter installed so as to be at an angle θ with respect to a perpendicular direction to the substrate in accordance with a material of the flattening film.
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将具有铁磁材料的突起和凹陷的图案形成在记录轨道部分和基板上的伺服部分上，形成平坦化膜，其顶表面高于 将铁磁材料的突出部分突出到铁磁材料上，并且对平坦化膜进行离子束蚀刻直到铁磁材料的突起的顶表面，并且基于变化确定平坦化蚀刻的终点 在通过以与角度为角度安装的离子计数器的入射颗粒的总数中; 相对于基板的垂直方向，根据平坦化膜的材料。
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公开(公告)号：US07782562B2
公开(公告)日：2010-08-24
申请号：US11527458
申请日：2006-09-27
IPC分类号： G11B15/18
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/65 , G11B5/66 , G11B5/667 , G11B5/743 , G11B5/855 , G11B2005/0029
摘要： According to one embodiment, a magnetic recording media includes a magnetic recording layer formed on a substrate, in which recording tracks and servo areas are prescribed as patterns of protrusions and recesses formed on the magnetic recording layer so that thin film portions of the magnetic recording layer are formed under the recesses, a thickness of magnetic recording layer at the thin film portion is smaller than a thickness of magnetic recording layer at the protrusion in the servo area, and a magnetization direction of the protrusion is antiparallel to a magnetization direction of the thin film in the servo area.
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磁记录层，其中记录轨道和伺服区被指定为在磁记录层上形成的突起和凹槽的图案，使得磁记录层的薄膜部分 形成在凹部下方，薄膜部分处的磁记录层的厚度小于伺服区域中的突起处的磁记录层的厚度，并且突起的磁化方向与薄的磁化方向反平行 电影在伺服区。
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公开(公告)号：US20060141141A1
公开(公告)日：2006-06-29
申请号：US11360425
申请日：2006-02-24
IPC分类号： B05D5/12
摘要： A magnetic recording medium includes a non-magnetic substrate; a soft magnetic layer which is formed on the non-magnetic substrate and which includes projected parts arranged on the surface thereof and recessed parts surrounding each of the projected part; and a ferromagnetic layer which is formed on the soft magnetic layer and which includes projected parts and recessed parts reflecting the projected parts and the recessed parts of the soft magnetic layer. Further the magnetic recording medium includes recording areas which have perpendicular magnetic anisotropy and ferromagnetism, and which are formed of the projected parts of the ferromagnetic layer and separated magnetically from their surroundings. A method for manufacture of the magnetic recording medium includes forming a soft magnetic layer including of projected parts arranged regularly on the surface thereof and recessed parts surrounding each projected part; and forming a ferromagnetic layer having perpendicular magnetic anisotropy on the soft magnetic layer.
摘要翻译： 磁记录介质包括非磁性基片; 形成在非磁性基板上的软磁性层，其包括布置在其表面上的突出部分和围绕每个突出部分的凹陷部分; 以及形成在软磁性层上并且包括反映软磁性层的突出部分和凹陷部分的突出部分和凹陷部分的铁磁层。 此外，磁记录介质包括具有垂直磁各向异性和铁磁性的记录区域，并且由铁磁层的突出部分形成并与其周围磁性分离。 制造磁记录介质的方法包括形成软磁性层，其包括在其表面上规则排列的突出部分和围绕每个突出部分的凹陷部分; 并在软磁层上形成具有垂直磁各向异性的铁磁层。
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66.发明申请公开(公告)号：US20050225890A1
公开(公告)日：2005-10-13
申请号：US11092682
申请日：2005-03-30
摘要： A magnetic recording medium has a RAM region and a ROM region. The RAM region includes a plurality of first tracks each having a first magnetic portion. The first magnetic portions in adjacent tracks are separated from each other. The ROM region includes a plurality of second tracks each having a second magnetic portion. A width of the second magnetic portions in a direction perpendicular to a track direction of the first tracks is larger than that of the first magnetic portions in the perpendicular direction.
摘要翻译： 磁记录介质具有RAM区域和ROM区域。 RAM区域包括多个具有第一磁性部分的第一轨道。 相邻轨道中的第一磁性部分彼此分离。 ROM区域包括多个具有第二磁性部分的第二磁道。 第二磁性部分在与第一磁道的轨道方向垂直的方向上的宽度大于垂直方向上的第一磁性部分的宽度。
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公开(公告)号：US07738203B2
公开(公告)日：2010-06-15
申请号：US11092682
申请日：2005-03-30
摘要： A magnetic recording medium has a RAM region and a ROM region. The RAM region includes a plurality of first tracks each having a first magnetic portion. The first magnetic portions in adjacent tracks are separated from each other. The ROM region includes a plurality of second tracks each having a second magnetic portion. A width of the second magnetic portions in a direction perpendicular to a track direction of the first tracks is larger than that of the first magnetic portions in the perpendicular direction.
摘要翻译： 磁记录介质具有RAM区域和ROM区域。 RAM区域包括多个具有第一磁性部分的第一轨道。 相邻轨道中的第一磁性部分彼此分离。 ROM区域包括多个具有第二磁性部分的第二磁道。 第二磁性部分在与第一磁道的轨道方向垂直的方向上的宽度大于垂直方向上的第一磁性部分的宽度。
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公开(公告)号：US20080002297A1
公开(公告)日：2008-01-03
申请号：US11822132
申请日：2007-07-02
IPC分类号： G11B5/82
摘要： According to one embodiment, there is provided a magnetic recording media including a substrate, and a magnetic recording layer including magnetic film patterns formed in a protruded form on the substrate, sidewalls of the magnetic film patterns having at least two faces of different slope angles.
摘要翻译： 根据一个实施例，提供一种包括基板的磁记录介质和包括在基板上形成为突出形状的磁膜图案的磁记录层，磁膜图案的侧壁具有至少两个不同倾斜角的面。
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公开(公告)号：US20070070547A1
公开(公告)日：2007-03-29
申请号：US11527458
申请日：2006-09-27
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/65 , G11B5/66 , G11B5/667 , G11B5/743 , G11B5/855 , G11B2005/0029
摘要： According to one embodiment, a magnetic recording media includes a magnetic recording layer formed on a substrate, in which recording tracks and servo areas are prescribed as patterns of protrusions and recesses formed on the magnetic recording layer so that thin film portions of the magnetic recording layer are formed under the recesses, a thickness of magnetic recording layer at the thin film portion is smaller than a thickness of magnetic recording layer at the protrusion in the servo area, and a magnetization direction of the protrusion is antiparallel to a magnetization direction of the thin film in the servo area.
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磁记录层，其中记录轨道和伺服区被指定为在磁记录层上形成的突起和凹槽的图案，使得磁记录层的薄膜部分 形成在凹部下方，薄膜部分处的磁记录层的厚度小于伺服区域中的突起处的磁记录层的厚度，并且突起的磁化方向与薄的磁化方向反平行 电影在伺服区。
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70.发明申请Method for manufacturing substrate for discrete track recording media and method for manufacturing discrete track recording media 失效用于制造离散轨道记录介质的基板的方法和用于制造离散轨道记录介质的方法公开(公告)号：US20070001331A1
公开(公告)日：2007-01-04
申请号：US11476038
申请日：2006-06-28
IPC分类号： B29C45/76
CPC分类号： G03F7/0002 , B08B7/0092 , B82Y10/00 , B82Y40/00 , G11B5/8404 , G11B5/855
摘要： According to one embodiment, a method for manufacturing a substrate for a discrete track recording media, the method includes forming an imprint resist layer on a substrate, imprinting, on the imprint resist layer, a stamper formed with patterns of protrusions and recesses corresponding to recording track zones and servo zones to transfer the patterns of protrusions and recesses to the imprint resist layer, removing the stamper from the imprint resist layer, and diffusing liquefied CO2 in a process chamber set at a pressure of 2 to 5 atm, diffusing liquefied H2O in the process chamber set at a pressure of 0.01 to 1 atm, or diffusing a reactive gas selected from a group consisting of liquefied CF4, CHF3, SF6, and C2F6 in the process chamber set at an arbitrary pressure, to jet spray the liquefied gas onto a surface of the substrate.
摘要翻译： 根据一个实施例，一种用于制造用于离散轨道记录介质的基板的方法，所述方法包括在基板上形成压印抗蚀剂层，在压印抗蚀剂层上压印形成有对应于记录的突起和凹部的图案的压模 轨道区域和伺服区域，以将突起和凹陷的图案转印到抗蚀剂层，从压印抗蚀剂层移除压模，并将液化CO 2扩散到设置在压力为2的处理室中 至5atm，在处理室中扩散液化H 2 O 2，压力为0.01至1atm，或扩散选自液化CF 4 >，CHF 3 3，SF 6 6和C 2 F 6 6在设置在任意压力下的处理室中 将液化气喷射到基板的表面上。
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