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101.发明授权公开(公告)号：US07572528B2
公开(公告)日：2009-08-11
申请号：US11135258
申请日：2005-05-24
CPC分类号： B82Y10/00 , G11B5/012 , G11B5/72 , G11B5/743 , G11B5/82 , G11B5/855 , G11B2005/0029 , Y10T428/1164
摘要： A magnetic recording medium is obtained by easily patterning a magnetic recording layer without deteriorating its electromagnetic conversion characteristics, by forming a silicon-based protective film between the magnetic recording layer and a photoresist, and performing dry etching and oxygen plasma processing.
摘要翻译： 通过在磁记录层和光致抗蚀剂之间形成硅基保护膜，进行干法蚀刻和氧等离子体处理，可以通过在不损害其电磁转换特性的情况下容易地构图磁记录层而获得磁记录介质。
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102.发明申请Patterned media, method of manufacturing the same, and magnetic recording/reproducing apparatus 审中-公开图案化介质，其制造方法和磁记录/再现装置公开(公告)号：US20070281078A1
公开(公告)日：2007-12-06
申请号：US11806229
申请日：2007-05-30
CPC分类号： G11B5/855
摘要： According to one embodiment, a patterned media includes a magnetic film processed into patterns for tracks, servo zones or data zones, and a nonmagnetic filling material filled between patterns of the magnetic film for the tracks, servo zones or data zones and including a base material and a barrier material formed of a metal that does not constitute the base material.
摘要翻译： 根据一个实施例，图案化介质包括处理成用于轨道，伺服区或数据区的图案的磁性膜，以及填充在用于轨道，伺服区或数据区的磁性膜的图案之间的非磁性填充材料，并且包括基材 以及由不构成基材的金属形成的阻挡材料。
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103.发明申请公开(公告)号：US20070211592A1
公开(公告)日：2007-09-13
申请号：US11691774
申请日：2007-03-27
CPC分类号： G11B5/82 , B82Y10/00 , G11B5/743 , G11B5/746 , G11B5/865 , G11B2005/0002 , Y10S977/887 , Y10T29/49069
摘要： An imprint stamper for manufacturing a recording medium includes a first transfer region which corresponds to a servo region of a recording medium using a sector servo system and has a pattern with a plurality of quadrilateral recess or protrusion portions formed in a surface thereof, and a second transfer region which corresponds to a data region of the recording medium and has a pattern with a plurality of dots of recess or protrusion portions arrayed in a form of a hexagonal lattice in a surface thereof.
摘要翻译： 用于制造记录介质的压印模具包括对应于使用扇区伺服系统的记录介质的伺服区域的第一传送区域，并且具有形成在其表面中的多个四边形凹部或突出部分的图案，第二传送区域 转印区域对应于记录介质的数据区域，并且具有在其表面上排列成六角形格子形状的多个凹点或突起部分的图案。
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公开(公告)号：US20070065588A1
公开(公告)日：2007-03-22
申请号：US11520023
申请日：2006-09-13
CPC分类号： G11B5/855
摘要： A method of forming patterns includes coating a toroidal substrate having a center hole with an imprint material containing a precursor of a metal oxide film, selected from the group consisting of a metal alkoxide and a metal oxide, and an ether type nonionic surfactant containing fluorine or silicon, imprinting a stamper on the imprint material to transfer patterns of protrusions and recesses of the stamper to the imprint material, and removing organic components from the imprint material through plasma processing or heat treatment to form a metal oxide film having patterns of protrusions and recesses.
摘要翻译： 形成图案的方法包括用具有中心孔的环形基板涂覆含有金属氧化物膜的前体的压印材料，所述金属氧化物膜的前体选自金属醇盐和金属氧化物，以及含有氟的醚型非离子表面活性剂 硅，在压印材料上压印压模以将压模的突起和凹陷的图案转印到压印材料，以及通过等离子体处理或热处理从压印材料中去除有机组分以形成具有突起和凹陷图案的金属氧化物膜 。
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公开(公告)号：US20070015011A1
公开(公告)日：2007-01-18
申请号：US11534278
申请日：2006-09-22
申请人： Akira Kikitsu , Yoshiyuki Kamata
发明人： Akira Kikitsu , Yoshiyuki Kamata
IPC分类号： G11B5/66
CPC分类号： G11B5/667 , G11B5/855 , Y10T428/24355
摘要： A perpendicular magnetic recording medium has a substrate, a soft magnetic underlayer formed on the substrate, arrayed soft magnetic dots formed on the soft magnetic underlayer, and a ferromagnetic recording layer formed on the soft magnetic dots and having magnetic anisotropy in a direction perpendicular to a surface of the substrate.
摘要翻译： 垂直磁记录介质具有基板，形成在基板上的软磁性底层，形成在软磁性底层上的排列软磁性点，以及形成在软磁性点上的磁性记录层，并且在垂直于 基板的表面。
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106.发明申请公开(公告)号：US20070003798A1
公开(公告)日：2007-01-04
申请号：US11475862
申请日：2006-06-28
申请人： Katsuyuki Naito , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Naoko Kihara , Masahiro Oka
发明人： Katsuyuki Naito , Masatoshi Sakurai , Akira Kikitsu , Yoshiyuki Kamata , Naoko Kihara , Masahiro Oka
IPC分类号： G11B5/706
CPC分类号： G11B5/7315
摘要： According to one embodiment, a substrate for a magnetic recording media has circumferential protrusions corresponding to recording tracks and circumferential recesses corresponding to grooves between the recording tracks, in which the substrate satisfying at least one of conditions of (a) a surface of the recess has a surface energy smaller than that of the protrusion, (b) the surface of the recess is modified with a thermally decomposable or deformable substance, (c) the surface of the recess has surface roughness smaller than that of the protrusion, (d) crystal orientation is more disturbed on the surface of the recess than on the protrusion, (e) the surface of the recess is modified with a substance that causes reaction with a magnetic material or that diffuses into the magnetic material, and (f) the surface of the recess is modified with a substance soluble in a solvent or with a deformable substance.
摘要翻译： 根据一个实施例，用于磁记录介质的基底具有对应于记录轨迹的周向突起和对应于记录轨道之间的凹槽的周向凹部，其中满足以下条件中的至少一个的基底：（a）凹部的表面具有 表面能小于突起的表面能，（b）凹部的表面用可热分解或可变形的物质进行改性，（c）凹陷表面的表面粗糙度小于突起的表面粗糙度，（d）晶体 在凹部的表面上比在突起上的取向更加干扰，（e）凹部的表面用引起与磁性材料反应或扩散到磁性材料中的物质进行改性，和（f） 该凹部用可溶于溶剂或可变形物质的物质进行改性。
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公开(公告)号：US20060289382A1
公开(公告)日：2006-12-28
申请号：US11472525
申请日：2006-06-22
IPC分类号： B44C1/22 , B05D5/12 , B05D1/32 , H01L21/306 , B05D1/02
摘要： According to one embodiment, a method for manufacturing a patterned media includes forming patterns of a magnetic layer having protrusions and recesses corresponding to tracks, servo zones or data zones on a substrate having a center hole, and spraying gas flow produced by diffusing a liquid gas toward the center hole of the substrate before or after forming the patterns of the magnetic layer.
摘要翻译： 根据一个实施例，一种用于制造图案化介质的方法包括形成具有与具有中心孔的基板上的轨道，伺服区或数据区对应的突起和凹部的磁性层的图案，并且喷射通过扩散液体气体而产生的气流 在形成磁性层的图案之前或之后朝向基板的中心孔。
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公开(公告)号：US20060280861A1
公开(公告)日：2006-12-14
申请号：US11406502
申请日：2006-04-19
CPC分类号： G11B5/855
摘要： A method for producing a magnetic recording medium, includes: forming an SOG film on a surface of a magnetic layer; forming a concavo-convex structure in the SOG film comprising one selected from a group consisting of silica glass, alkylsiloxane polymer, methyl silsesquioxane polymer, hydrogen silsesquioxane polymer and hydro alkylsiloxane polymer; etching the SOG film to expose the surface of the magnetic layer; etching the exposed surface of the magnetic layer by ion milling; and forming a filling layer on the surface of the magnetic layer while leaving a portion of the magnetic layer having been subjected to the ion milling.
摘要翻译： 一种制造磁记录介质的方法，包括：在磁性层的表面上形成SOG膜; 在SOG膜中形成凹凸结构，其包含选自二氧化硅玻璃，烷基硅氧烷聚合物，甲基倍半硅氧烷聚合物，氢倍半硅氧烷聚合物和氢烷基硅氧烷聚合物的一种; 蚀刻SOG膜以暴露磁性层的表面; 通过离子研磨蚀刻磁性层的暴露表面; 并且在磁性层的表面上形成填充层，同时留下已经进行离子铣削的磁性层的一部分。
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公开(公告)号：US20060172153A1
公开(公告)日：2006-08-03
申请号：US11341569
申请日：2006-01-30
CPC分类号： G11B5/855
摘要： According to one embodiment, a patterned magnetic recording media has a magnetic recording layer and a protective layer formed on a substrate, in which the magnetic recording layer including a magnetic material patterned in tracks and a nonmagnetic material filled in between the tracks in a data area, and has a recessed portion formed in an area within 1 mm from an outer media end and extending to the media end. The recessed portion being formed 1 to 50 nm deeper than the data area.
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公开(公告)号：US07067207B2
公开(公告)日：2006-06-27
申请号：US10702439
申请日：2003-11-07
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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