公开(公告)号：US20090226767A1

公开(公告)日：2009-09-10

申请号：US11916988

申请日：2006-06-30

申请人： Masato Fukushima ,  Katsuaki Aida ,  Kenji Shimizu

发明人： Masato Fukushima ,  Katsuaki Aida ,  Kenji Shimizu

IPC分类号： G11B5/73

CPC分类号： G11B5/667 ,  G11B5/7315

摘要： The invention provides a magnetic recording medium substrate product which enables enhancement of contact strength between a substrate end surface and a soft magnetic layer, as well as suppression of occurrence of corrosion, a magnetic recording medium including the substrate product, which exhibits no deterioration of electromagnetic conversion characteristics and has excellent durability and a magnetic recording and reproducing apparatus including the magnetic recording medium. The magnetic recording medium substrate product includes a disk-shaped non-magnetic substrate having a circular hole in a center portion thereof, and having a chamfer formed at least one of a portion between a main surface on which a magnetic layer is to be formed and an outer end surface and a portion between the main surface and an inner end surface defining the circular hole, wherein the chamfer has a surface roughness (Ra) falling within a range of 4.0 Å≦Ra≦100 Å, preferably 4.0 Å≦Ra≦50 Å, as measured by means of an AFM.

摘要翻译： 本发明提供了一种磁记录介质基板产品，其能够提高基板端面与软磁性层之间的接触强度，并且抑制腐蚀发生，包括基板产品的磁记录介质不会出现电磁干扰 转换特性并且具有优异的耐久性和包括磁记录介质的磁记录和再现装置。 磁记录介质基板产品包括在其中心部分具有圆形孔的盘形非磁性基板，并且具有倒角，该倒角形成在要形成磁性层的主表面之间的部分中的至少一个和 外端表面和限定圆形孔的主表面和内端表面之间的部分，其中所述倒角具有落在范围内的表面粗糙度（Ra）≤A≤A≤1.0的范围， = Ra <= 50，通过AFM测量。

公开(公告)号：US07727645B2

公开(公告)日：2010-06-01

申请号：US11916988

申请日：2006-06-30

申请人： Masato Fukushima ,  Katsuaki Aida ,  Kenji Shimizu

发明人： Masato Fukushima ,  Katsuaki Aida ,  Kenji Shimizu

IPC分类号： B32B3/10 ,  G11B5/33 ,  C03B23/02

CPC分类号： G11B5/667 ,  G11B5/7315

摘要： The invention provides a magnetic recording medium substrate product which enables enhancement of contact strength between a substrate end surface and a soft magnetic layer, as well as suppression of occurrence of corrosion, a magnetic recording medium including the substrate product, which exhibits no deterioration of electromagnetic conversion characteristics and has excellent durability and a magnetic recording and reproducing apparatus including the magnetic recording medium. The magnetic recording medium substrate product includes a disk-shaped non-magnetic substrate having a circular hole in a center portion thereof, and having a chamfer formed at least one of a portion between a main surface on which a magnetic layer is to be formed and an outer end surface and a portion between the main surface and an inner end surface defining the circular hole, wherein the chamfer has a surface roughness (Ra) falling within a range of 4.0 Å≦Ra≦100 Å, preferably 4.0 Å≦Ra≦50 Å, as measured by means of an AFM.

摘要翻译： 本发明提供了一种磁记录介质基板产品，其能够提高基板端面与软磁性层之间的接触强度，并且抑制腐蚀发生，包括基板产品的磁记录介质不会出现电磁干扰 转换特性并且具有优异的耐久性和包括磁记录介质的磁记录和再现装置。 磁记录介质基板产品包括在其中心部分具有圆形孔的盘形非磁性基板，并且具有倒角，该倒角形成在要形成磁性层的主表面之间的部分中的至少一个和 外表面和主表面和限定圆形孔的内端表面之间的部分，其中所述倒角具有落在范围内的表面粗糙度（Ra）; Ra＆nlE; 100，优选为4.0＆amp; 通过AFM测量。

公开(公告)号：US20090142625A1

公开(公告)日：2009-06-04

申请号：US11995456

申请日：2006-07-12

申请人： Masato Fukushima ,  Yuji Murakami ,  Kenji Shimizu

发明人： Masato Fukushima ,  Yuji Murakami ,  Kenji Shimizu

IPC分类号： G11B5/74 ,  G11B5/84 ,  B05D5/00

CPC分类号： G11B5/8404 ,  G11B5/667

摘要： The present invention provides a magnetic recording medium which enables improvement of the layer quality of magnetic layer grown on the surface of a soft magnetic underlayer by conducting excellent control of crystal orientation by imparting an optimal half-width of the Rocking curve (Δθ50), as well as obtainment of SNR that suppresses generation of TA and enables realization of high-density recording. The magnetic recording medium includes a soft magnetic underlayer, an orientation control layer, a perpendicular magnetic recording layer, and a protective layer, which are disposed on top of a non-magnetic substrate; wherein the magnetic anisotropy ratio (Hmr/Hmc) of the soft magnetic underlayer is 1 or less, and Δθ50 is 1 to 6 degrees. The soft magnetic underlayer is formed on the primary surface of the non-magnetic substrate where the primary surface has been polished one substrate at a time by a sheet-type texture processing device using polishing tape and a slurry containing colloidal silica abrasive grain.

摘要翻译： 本发明提供一种磁记录介质，通过赋予摇摆曲线的最佳半宽（Deltatheta50），通过对摇摆曲线（Deltatheta50）的最佳半宽进行优良的控制，能够提高生长在软磁性底层表面上的磁性层的层质量，作为 以及抑制TA的产生的SNR的获得，并且能够实现高密度记录。 磁记录介质包括设置在非磁性基板上的软磁性底层，取向控制层，垂直磁记录层和保护层; 其中软磁性底层的磁各向异性比（Hmr / Hmc）为1以下，Deltatheta50为1〜6度。 在非磁性基板的主表面上，通过利用研磨带的片状纹理处理装置和含有胶体二氧化硅磨粒的浆料，一次将基板表面一次抛光，形成软磁性底层。

公开(公告)号：US08956690B2

公开(公告)日：2015-02-17

申请号：US12993208

申请日：2009-05-22

申请人： Hiroshi Uchida ,  Tomokazu Umezawa ,  Masato Fukushima ,  Shunsuke Takeyama ,  Takanori Sakuragi

发明人： Hiroshi Uchida ,  Tomokazu Umezawa ,  Masato Fukushima ,  Shunsuke Takeyama ,  Takanori Sakuragi

IPC分类号： B05D5/00 ,  G11B5/855 ,  B29C33/38 ,  B29C33/42

CPC分类号： G11B5/855 ,  B29C33/3842 ,  B29C33/424 ,  Y10T428/31663

摘要： A laminated body which forms a resin mold by compression molding using a master mold, the laminated body having: a pair of mutually facing base materials, a layer of a liquid or gel-like curable resin material sandwiched between the pair of base materials, and one or more flow suppression bodies, which are composed of a cured product of the curable resin material and are sandwiched between the pair of base materials, wherein the layer of the curable resin material is sealed by the pair of base materials and the flow suppression bodies. Also, a method for manufacturing a resin mold using the laminated body.

摘要翻译： 一种层叠体，其通过使用母模的压缩成型形成树脂模具，所述层叠体具有：一对相互对置的基材，夹在所述一对基材之间的液体或凝胶状固化性树脂材料层，以及 一个或多个流动抑制体，其由可固化树脂材料的固化产物构成并夹在一对基材之间，其中固化性树脂材料层被一对基材和流动抑制体密封 。 另外，使用该层叠体制造树脂模具的方法。

公开(公告)号：US08637225B2

公开(公告)日：2014-01-28

申请号：US12933348

申请日：2009-03-10

申请人： Yoshikazu Arai ,  Hiroshi Uchida ,  Naoyuki Imai ,  Masato Fukushima

发明人： Yoshikazu Arai ,  Hiroshi Uchida ,  Naoyuki Imai ,  Masato Fukushima

IPC分类号： G11B5/84 ,  G11B5/855

CPC分类号： G11B5/855 ,  C09D183/06 ,  G03F7/0757

摘要： A method for producing a magnetic recording medium comprising at least a recording layer and a protective film provided on top of a non-magnetic substrate, the method comprising, in the following order, forming a continuous recording layer on the substrate, forming a patterned resist layer, partially removing the recording layer based on a resist pattern, applying an organosilicon compound having an active energy beam-curable functional group onto the recording layer and regions from which the recording layer has been removed, curing the organosilicon compound with an active energy beam, etching the organosilicon compound to expose a magnetic layer, and forming a protective film.

摘要翻译： 一种制造磁记录介质的方法，所述磁记录介质至少包括设置在非磁性基板上的记录层和保护膜，所述方法包括以下顺序在所述基板上形成连续记录层，形成图案化抗蚀剂 层，基于抗蚀剂图案部分地去除记录层，将具有活性能量束固化性官能团的有机硅化合物施加到记录层上以及从其除去记录层的区域，用活性能量束固化有机硅化合物 ，蚀刻有机硅化合物以暴露磁性层，并形成保护膜。

公开(公告)号：US08329057B2

公开(公告)日：2012-12-11

申请号：US12233635

申请日：2008-09-19

申请人： Masato Fukushima

发明人： Masato Fukushima

IPC分类号： C09K5/04

CPC分类号： C09K5/10 ,  F28F23/00 ,  H01L23/427 ,  H01L2924/0002 ,  H01L2924/00

摘要： A method for operating a latent heat transport apparatus by providing a working liquid for a latent heat transport apparatus, which includes a compound of the formula C6F13C2H5 at an operation temperature of from −50 to 200° C.

摘要翻译： 在潜热输送装置的工作液体中，在-50〜200℃的操作温度下包含式C 6 F 13 C 2 H 5的化合物，来操作潜热输送装置的方法。

公开(公告)号：US08303828B2

公开(公告)日：2012-11-06

申请号：US12626380

申请日：2009-11-25

申请人： Shinichi Ishibashi ,  Masato Fukushima ,  Akira Yamane

发明人： Shinichi Ishibashi ,  Masato Fukushima ,  Akira Yamane

IPC分类号： B44C1/22

CPC分类号： G11B5/855

摘要： Provided is a method for manufacturing, in a simple process, a magnetic recording medium having a distinct magnetic recording pattern formed thereon. A method for manufacturing a magnetic recording medium having a magnetically-separated magnetic recording pattern MP, the method at least including; a first step of forming a first magnetic layer 11 on a non-magnetic substrate 10; a second step of forming a resist layer 12 on the first magnetic layer 11, the resist layer 12 being patterned in correspondence with the magnetic recording pattern MP; a third step of forming a second magnetic layer 13 so as to cover a surface of the first magnetic layer 11 having the resist layer 12 formed thereon; a fourth step of removing the resist layer 12 together with the second magnetic layer 13 formed thereon; and a fifth step of partially removing the first magnetic layer 11 or partially modifying magnetic property of the first magnetic layer 11.

摘要翻译： 提供了一种在简单的工艺中制造其上形成有不同的磁记录图案的磁记录介质的方法。 一种制造具有磁分离磁记录图案MP的磁记录介质的方法，该方法至少包括： 在非磁性基板10上形成第一磁性层11的第一步骤; 在第一磁性层11上形成抗蚀剂层12的第二步骤，抗蚀剂层12与磁记录图案MP对应地构图; 形成第二磁性层13以覆盖其上形成有抗蚀剂层12的第一磁性层11的表面的第三步骤; 与形成在其上的第二磁性层13一起去除抗蚀剂层12的第四步骤; 以及第五步骤，部分地去除第一磁性层11或部分地改变第一磁性层11的磁特性。

公开(公告)号：US20120257300A1

公开(公告)日：2012-10-11

申请号：US13516556

申请日：2010-12-07

申请人： Masato Fukushima

发明人： Masato Fukushima

IPC分类号： G11B5/84 ,  G11B21/02

CPC分类号： G11B5/855 ,  G11B5/72

摘要： Provided is a method of manufacturing a magnetic recording medium capable of manufacturing at a high productivity a useful magnetic recording medium having high surface smoothness and excellent head floating characteristics. Such a method of manufacturing a magnetic recording medium includes: forming a magnetic layer on a nonmagnetic substrate; and partially injecting ions into the magnetic layer to modify magnetic characteristics at a location of the magnetic layer where the ions are injected and to form magnetically separated magnetic recording patterns, in which, when partially injecting ions into the magnetic layer, a carbon film is formed on the surface of the magnetic layer, the carbon film is partially thinned by patterning, and ions are partially injected into the magnetic layer through locations where the carbon film is thinned.

摘要翻译： 提供一种能够以高生产率制造具有高表面平滑度和优异的头浮动特性的有用磁记录介质的磁记录介质的方法。 这种制造磁记录介质的方法包括：在非磁性基板上形成磁性层; 并且将离子部分地注入到磁性层中以改变在注入离子的磁性层的位置处的磁特性，并形成磁分离的磁记录图案，其中当将离子部分地注入到磁性层中时，形成碳膜 在磁性层的表面上，通过图案化部分地使薄膜变薄，并且通过使薄膜变薄的位置将离子部分地注入到磁性层中。

公开(公告)号：US08284520B2

公开(公告)日：2012-10-09

申请号：US12921095

申请日：2009-03-03

申请人： Masato Fukushima

发明人： Masato Fukushima

IPC分类号： G11B5/82

CPC分类号： G11B5/855 ,  G11B5/8408

摘要： A magnetic recording medium comprising a magnetic layer having a magnetic recording pattern comprising elevations constituting magnetic recording regions and depressions constituting boundary regions for partitioning the magnetic recording regions, and a continuous protective carbon overcoat on the magnetic layer, characterized in that portions of the carbon overcoat located on the magnetic recording regions-constituting elevations of the magnetic layer are thicker than portions of the carbon overcoat located on the boundary regions-constituting depressions of the magnetic layer. The protective carbon overcoat is formed by a CVD method. The boundary regions-constituting depressions are preferably subjected to exposure to plasma, and have modified magnetic characteristics. The magnetic recording regions exhibit high corrosion resistance and the magnetic recording medium has enhanced environmental resistance.

摘要翻译： 一种磁记录介质，包括磁记录图形，磁记录图形包括构成磁记录区的凸起和构成用于分隔磁记录区的边界区的凹陷，以及在磁性层上的连续的保护性碳外涂层，其特征在于， 位于构成磁性层的磁记录区域的磁性层的厚度比形成磁性层的凹部的边界区域上的碳外涂层的厚度大。 保护性碳外涂层通过CVD法形成。 构成边界区域的凹部优选经受等离子体曝光，并且具有改变的磁特性。 磁记录区表现出高耐腐蚀性，并且磁记录介质具有增强的耐环境性。

公开(公告)号：US08236193B2

公开(公告)日：2012-08-07

申请号：US12540511

申请日：2009-08-13

申请人： Masato Fukushima

发明人： Masato Fukushima

IPC分类号： C09K5/04 ,  F01K25/10 ,  F01K25/08

CPC分类号： C09K5/045

摘要： A working medium for heat cycle has less impact on the environment and is excellent in heat cycle characteristics for a Rankine cycle system, a heat pump cycle system, and a refrigerating cycle system. The working medium has the formula CnF2n+1—CmH2m+1, wherein n is an integer of from 2 to 8, an m is an integer of from 0 to 3.

摘要翻译： 用于热循环的工作介质对环境的影响较小，对于兰金循环系统，热泵循环系统和制冷循环系统的热循环特性优异。 工作介质具有式C n F 2n + 1-C m H 2m + 1，其中n是2至8的整数，m是0至3的整数。