公开(公告)号：EP2220648A1

公开(公告)日：2010-08-25

申请号：EP08855474.6

申请日：2008-11-20

申请人： Commissariat à l'Énergie Atomique et aux Énergies Alternatives ,  Centre National de la Recherche Scientifique

发明人： DIENY, Bernard ,  MORITZ, Jerome ,  RODMACQ, Bernard

IPC分类号： G11B5/855 ,  G11B5/66 ,  G11B5/09 ,  C12Q1/68

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/66 ,  G11B5/743 ,  G11B5/82

摘要： The present invention relates to a magnetic recording medium (100). The invention finds a particularly interesting application in the field of data stored on hard disks. The medium (100) comprises an assembly of magnetic zones disposed on a substrate (102), each magnetic zone comprising at least one first (C'1 ) and one second (C'2) stacked magnetic layers separated from each other by a non-magnetic layer (NM'). In addition, said first magnetic layer (C'1 ) presents magnetization substantially oriented parallel to the plane of said substrate (102) and said second magnetic layer (C'2) presents magnetization substantially oriented perpendicular to the plane of said substrate (102).

公开(公告)号：EP1998322B1

公开(公告)日：2010-04-21

申请号：EP08009748.8

申请日：2008-05-28

申请人： Hitachi Ltd.

发明人： Okura, Yasutaka ,  Iwasaki, Tomio

IPC分类号： G11B5/855

CPC分类号： G11B5/855

公开(公告)号：EP2037453A1

公开(公告)日：2009-03-18

申请号：EP08015838.9

申请日：2008-09-09

申请人： Fujifilm Corporation

发明人： Nishikawa, Masakazu c/o FUJIFILM CORPORATION ,  Wakamatsu, Satoshi c/o FUJIFILM CORPORATION

IPC分类号： G11B5/855 ,  G03F7/00 ,  G11B5/596 ,  B29C33/42 ,  B29C45/26 ,  H01L21/027

CPC分类号： G11B5/855 ,  B29C33/3842 ,  B29C33/424 ,  B82Y10/00 ,  B82Y40/00 ,  G03F7/0002 ,  G11B5/743

摘要： The present invention provides an imprint mold structure which can efficiently and uniformly transfer a pattern by enhancing flow of a composition of the imprint resist layer when the imprint mold structure is pressed against the imprint resist layer, an imprinting method of improved transfer accuracy by using the imprint mold structure, and a magnetic recording medium of improved recording and reproduction property. Provided is an imprint mold structure in which at at least any one of an inner circumferential edge and an outer circumferential edge of the concavo-convex patterns in a data area and a servo area of the disc-shaped substrate of the imprint mold structure a dummy pattern is formed which corresponds to a pattern on a magnetic recording medium substrate extending radially from at least any one of an inner circumferential edge and an outer circumferential edge of a pattern forming area.

摘要翻译： 本发明提供了一种压印模具结构，其能够通过在压印模具结构被压靠在抗蚀剂层上时增强抗蚀刻剂层的组合物的流动而有效地均匀地转印图案，通过使用压印模具结构来提高转印精度的压印方法 压印模具结构，以及具有改进的记录和再现性能的磁记录介质。 提供了一种压印模具结构，其中在数据区域中的凹凸图案的内周边缘和外周边缘中的至少任一个以及压印模具的盘形基板的伺服区域中， 形成对应于从图案形成区域的内周边缘和外周边缘中的至少任一个径向延伸的磁记录介质基板上的图案。

公开(公告)号：EP2006842A1

公开(公告)日：2008-12-24

申请号：EP08011284.0

申请日：2008-06-20

申请人： Fujifilm Corporation

发明人： Nishikawa, Masakazu c/o Fujifilm Corporation ,  Yasunaga, Tadashi c/o Fujifilm Corporation ,  Nishida, Yoichi c/o Fujifilm Corporation

IPC分类号： G11B5/596 ,  G11B5/86 ,  G11B5/855

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/743 ,  G11B5/865

摘要： The present invention provides a method for producing a magnetic recording medium having servo areas and data areas using a mold structure having a plurality of convex portions, the method, including: forming an imprint resist layer on a surface of a substrate for the magnetic recording medium, forming a convexo-concave resist pattern in the formed imprint resist layer by pressing the plurality of convex portions of the mold structure against the imprint resist layer, and transferring magnetism to the servo areas in the magnetic recording medium by applying a magnetic field to the servo areas via the mold structure.

摘要翻译： 本发明提供了一种用于制造具有使用具有凸部的多个A模具结构伺服区和数据区的磁记录介质，该方法包括：形成压印的底物的表面上的抗蚀剂层的磁性记录介质 ，形成了凹凸的抗蚀剂中形成的压印图案通过施加磁场来压靠在压印模具结构抗蚀剂层，并传递环磁在磁记录介质上的伺服区的凸部的多元性抗蚀剂层 经由模具结构伺服区。

公开(公告)号：EP1376547B1

公开(公告)日：2008-12-24

申请号：EP02713263.8

申请日：2002-03-29

申请人： DIC Corporation

发明人： YAMAZAKI, Yoshikazu ,  KAWAI, Kazunari ,  YANO, Daisuke ,  MIYAHARA, Tesshu

IPC分类号： G11B5/72 ,  G11B5/855

CPC分类号： G11B5/855 ,  G06K19/06196 ,  G11B5/70678 ,  G11B5/72 ,  G11B5/738

摘要： The present invention discloses a magnetic recording medium comprised by sequentially layering a magnetic recording layer, intermediate layer and concealment layer on a non-magnetic substrate made from a thermoplastic resin, wherein the surface of the intermediate layer forms a single smooth surface with the surface of the non-magnetic substrate as a result of embedding the magnetic recording layer and the intermediate layer within a portion of the non-magnetic substrate, and the concealment layer conceals the surface of the intermediate layer and the surface of the non-magnetic substrate. This magnetic recording medium has superior concealment and adhesion of the concealment layer for the magnetic recording layer as well as a high level of design properties regardless of the type of magnetic particles used in the magnetic recording layer.

公开(公告)号：EP1975704A3

公开(公告)日：2008-12-10

申请号：EP08153536.1

申请日：2008-03-28

申请人： Fujifilm Corporation

发明人： Kenichi, Moriwaki, c/o FUJIFILM Corporation ,  Toshihiro, Usa, c/o FUJIFILM Corporation ,  Masakazu, Nishikawa, c/o FUJIFILM Corporation

IPC分类号： G03F7/00 ,  G11B5/855 ,  B29C33/42 ,  B29C45/26 ,  H01L21/027

CPC分类号： G03F7/0002 ,  B29C33/424 ,  B82Y10/00 ,  B82Y40/00 ,  G11B5/855

摘要： The present invention provides a mold structure including: a concavo-convex pattern formed on its surface, wherein the mold structure is used for transferring the concavo-convex pattern onto an imprint resist layer formed on a surface of a substrate having a thickness of 0.3mm to 2.0mm by placing the concavo-convex pattern against the imprint resist layer, and wherein a thickness Dm (mm) of the mold structure, a thickness Ds (mm) of the substrate and a curl amount C (mm) of the mold structure satisfy the relationship 0.01≤10,000×(Dm 3 /Ds 3 ) 1/2 ×C 2 ≤250.

摘要翻译： 本发明提供了一种模具结构，其包括：在其表面上形成的凹凸图案，其中该模具结构用于将凹凸图案转印到形成在厚度为0.3mm的基板表面上的压印抗蚀剂层上 通过将凹凸图案设置在压印抗蚀剂层上而形成为2.0mm，并且其中模具结构的厚度Dm（mm），基板的厚度Ds（mm）和模具结构的卷曲量C（mm） 满足0.01≤10,000×（Dm3 / Ds3）1/2×C2≤250的关系。

公开(公告)号：EP1600956A4

公开(公告)日：2008-05-21

申请号：EP04716374

申请日：2004-03-02

申请人： TDK CORP

发明人： HATTORI KAZUHIRO ,  TAKAI MITSURU ,  SUWA TAKAHIRO

IPC分类号： G11B5/82 ,  G11B5/84 ,  G11B5/85 ,  G11B5/851 ,  G11B5/855

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/74 ,  G11B5/743 ,  G11B5/851 ,  G11B11/10582

摘要： A method of producing a magnetic recording medium and a production device therefore capable of producing a discrete type magnetic recording medium efficiently with the deterioration or the like of divided recording elements being prevented positively. The production device (40) for a magnetic recording medium comprises a recording layer processing means (42) for dividing a continuous recording layer into many divided recording elements by forming at plane-direction fine intervals many grooves in the intermediate element (10) of a magnetic recording medium formed with the continuous recording layer, a non-magnetic element filling means (48) for filling a non-magnetic element into grooves between divided recording elements, a flattening means (50) for flattening the surfaces of divided recording elements and a non-magnetic element, a protection layer forming means (52) for forming protection layers on divided recording elements and a non-magnetic element, and a vacuum retaining means (56) for housing the recording layer processing means (42), the non-magnetic element filling means (48), the flattening means (50) and the protection layer forming means (52) to retain the surrounding of the intermediate element (10) in a vacuum condition.

公开(公告)号：EP1752971A4

公开(公告)日：2007-06-06

申请号：EP05743267

申请日：2005-05-27

申请人： DAINIPPON INK & CHEMICALS

发明人： YAMAZAKI YOSHIKAZU ,  YANO DAISUKE

IPC分类号： G11B5/72 ,  B44F1/02 ,  B44F1/08 ,  G06K19/06 ,  G11B5/738 ,  G11B5/80 ,  G11B5/855

CPC分类号： G11B5/72 ,  G06K19/06196 ,  G11B5/738 ,  G11B5/855

摘要： A card-like magnetic recording medium comprising a layer containing a magnetic recording layer and laminated on at least part of a non-magnetic support, characterized in that a light reflection quantity regulating layer containing at least one of scaly metal powder and metal thin-film strips and a binding resin is provided on the magnetic recording layer, a bright coating layer containing bright particles is provided thereon, and the maximum reflectance of a diffuse reflection light by an incident light at a wavelength of 400-700 nm in an area having the bright coating layer is 20-70%.

摘要翻译： 1，一种卡片状磁记录介质，其特征在于，在至少一部分非磁性支持体上层叠含有磁记录层的层，其特征在于，含有鳞片状金属粉末和金属薄膜中的至少一种的光反射量调节层 在该磁记录层上设置带和粘结树脂，在其上设置含有明亮粒子的光亮涂层，并且在具有该波长400-700nm的区域中的入射光的漫反射光的最大反射率 亮涂层为20-70％。

公开(公告)号：EP0996113A4

公开(公告)日：2006-02-22

申请号：EP99902860

申请日：1999-02-09

申请人： JAPAN SCIENCE & TECH AGENCY

发明人： MUKASA KOICHI ,  CHIKAZUMI SOSHIN ,  HIROTA EICHI ,  NAKANE RYOSHO ,  SAWAMURA MAKOTO

IPC分类号： G11B5/00 ,  G11B5/02 ,  G11B5/127 ,  G11B5/64 ,  G11B5/74 ,  G11B5/855 ,  G11B9/00 ,  G11B11/105 ,  G11C11/14 ,  G11C11/16 ,  G11C19/08

CPC分类号： B82Y10/00 ,  G11B5/00 ,  G11B5/02 ,  G11B5/1278 ,  G11B5/64 ,  G11B5/74 ,  G11B5/855 ,  G11B9/1409 ,  G11B11/10508 ,  G11B11/10517 ,  G11B11/10528 ,  G11B11/10584 ,  G11C11/14 ,  G11C11/16 ,  G11C19/08

摘要： A method and apparatus for high-density magnetic recording carried out in spins. A recording media (1) has recording tracks (3) composed of an array of recorded spins (2). The recording media (1) comprises very thin magnetic film on which an array of positive and negative spins (2) are recorded.

摘要翻译： 一种在自旋中进行高密度磁记录的方法和设备。 记录介质（1）具有由记录的自旋（2）阵列组成的记录轨道（3）。 记录介质（1）包括非常薄的磁性膜，其上记录有正和负自旋（2）的阵列。

公开(公告)号：EP1600956A1

公开(公告)日：2005-11-30

申请号：EP04716374.6

申请日：2004-03-02

申请人： TDK Corporation

发明人： HATTORI, Kazuhiro c/o TDK Corporation ,  TAKAI, Mitsuru c/o TDK Corporation ,  SUWA, Takahiro c/o TDK Corporation

IPC分类号： G11B5/855

CPC分类号： G11B5/855 ,  B82Y10/00 ,  G11B5/74 ,  G11B5/743 ,  G11B5/851 ,  G11B11/10582

摘要： A production method and a production apparatus for a magnetic recording medium, which enable the efficient production of a discrete type magnetic recording medium, while reliably preventing any deterioration of the partitioned recording elements. The magnetic recording medium production apparatus 40 includes: recording layer processing device 42, which by forming a plurality of grooves, with a minute spacing therebetween in a planar direction, in an intermediate 10 of a magnetic recording medium comprising a continuous recording layer, partitions the continuous recording layer into a plurality of partitioned recording elements; non-magnetic body filling device 48 for filling the grooves between the partitioned recording elements with a non-magnetic body; smoothing device 50 for smoothing the surface of the partitioned recording elements and the non-magnetic body; protective layer formation device 52 for forming a protective layer on the partitioned recording elements and the non-magnetic body; and vacuum retention device 56 which houses the recording layer processing device 42, the non-magnetic body filling device 48, the smoothing device, and the protective layer formation device 52, and maintains the environment surrounding the intermediate 10 in a state of vacuum.

摘要翻译： 一种用于磁记录介质的制造方法和制造装置，其能够有效地生产离散型磁记录介质，同时可靠地防止分隔的记录元件的任何劣化。 磁记录介质制备装置40包括：在包括连续记录层的磁记录介质的中间体10中，通过在平面方向上以微小间隔形成多个凹槽的记录层处理装置42，将 连续记录层分成多个划分的记录元件; 非磁性体填充装置48，用于用非磁性体填充分隔的记录元件之间的凹槽; 平滑装置50，用于使划分的记录元件和非磁性体的表面平滑; 用于在分隔的记录元件和非磁性体上形成保护层的保护层形成装置52; 以及容纳记录层处理装置42，非磁性体填充装置48，平滑装置和保护层形成装置52的真空保持装置56，并且将真空保持在中间体10周围的环境。