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61. 发明申请

US20080305365A1 Magnetic Recording Medium and Manufacturing Method Therefor 审中-公开
标题翻译：磁记录介质及其制造方法
公开(公告)号：US20080305365A1
公开(公告)日：2008-12-11
申请号：US11597887
申请日：2005-05-27
申请人： Yoshikazu Yamazaki , Daisuke Yano
发明人： Yoshikazu Yamazaki , Daisuke Yano
IPC分类号： G11B5/66
CPC分类号： G11B5/72 , G06K19/06196 , G11B5/73 , G11B5/855
摘要： A card-like magnetic recording medium comprising a non-magnetic substrate and a laminate containing a magnetic recording layer wherein the laminate is placed in at least a portion of the non-magnetic substrate; wherein the laminate comprises a light reflection quantity controlling layer, which includes a binder resin and at least one of a scale-like metal powder and fine flakes obtained from a metallic thin film and is formed on the magnetic recording layer, and further comprises a glistening coating layer which includes glistening particles and is formed on the light reflection quantity controlling layer; and the maximum reflectance of diffuse reflection light with respect to incident lights having a wavelength from 400 to 700 nm is 20 to 70% on a portion where the glistening coating layer is provided.
摘要翻译：一种卡片状磁记录介质，包括非磁性基板和含有磁记录层的层压体，其中所述层压体放置在所述非磁性基板的至少一部分中; 其中，所述层叠体包括光反射量控制层，所述光反射量控制层包括粘合剂树脂和由金属薄膜获得的鳞片状金属粉末和细薄片中的至少一种，并形成在所述磁记录层上，并且还包括闪光包含闪光粒子并形成在光反射量控制层上的涂层; 相对于400-700nm波长的入射光，漫反射光的最大反射率在设置有闪光涂层的部分上为20〜70％。

62. 发明申请

US20080187783A1 MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：磁记录介质
公开(公告)号：US20080187783A1
公开(公告)日：2008-08-07
申请号：US12026128
申请日：2008-02-05
申请人： Kuniyuki DOI , Tetsuo KAWAKUSU , Hiroyuki TANAKA , Kazunori TAMAZAKI
发明人： Kuniyuki DOI , Tetsuo KAWAKUSU , Hiroyuki TANAKA , Kazunori TAMAZAKI
IPC分类号： G11B5/62
CPC分类号： G11B5/73 , G11B5/7021
摘要： The invention provides a magnetic recording medium having a structure in which a magnetic layer containing magnetic particles and a binder is formed on a nonmagnetic layer containing nonmagnetic particles and a binder, wherein the binder contained in the nonmagnetic layer contains a polyurethane resin which has a metal sulfonate group and unsaturated hydrocarbon groups in its molecule and is obtained by reacting a polyester polyol (A) containing an aliphatic dicarboxylic acid as an acid component, an aromatic polyisocyanate compound (B), a compound (C) having unsaturated hydrocarbon groups and a functional group which reacts with an isocyanate group and a molecular weight of 500 or less with a branched compound (D) represented by the following formula (1), and the nonmagnetic layer has good dispersibility even by using fine nonmagnetic particles and can ensure satisfactory coating film strength even at a radiation dose of 3 Mrad or less.
摘要翻译：本发明提供一种磁记录介质，其结构是在包含非磁性颗粒和粘合剂的非磁性层上形成含有磁性颗粒和粘合剂的磁性层，其中包含在非磁性层中的粘合剂含有具有金属的聚氨酯树脂磺酸酯基和不饱和烃基，通过使含有脂肪族二羧酸的酸性成分的聚酯多元醇（A），芳香族多异氰酸酯化合物（B），具有不饱和烃基的化合物（C）和官能团与异氰酸酯基反应，分子量为500以下的基团，由下式（1）表示的支链化合物（D），即使使用微细的非磁性粒子，非磁性层也具有良好的分散性，可以确保满意的涂膜即使在3Mrad或更低的辐射剂量下也是如此。

63. 发明申请

US20080107921A1 MAGNETIC TAPE AND MAGNETIC TAPE CARTRIDGE 审中-公开
标题翻译：磁带和磁带盒
公开(公告)号：US20080107921A1
公开(公告)日：2008-05-08
申请号：US11766491
申请日：2007-06-21
申请人： Sadamu Kuse , Tsugihiro Doi , Tetsutaro Inoue , Mikio Kishimoto , Yuji Sasaki , Hideaki Watanabe
发明人： Sadamu Kuse , Tsugihiro Doi , Tetsutaro Inoue , Mikio Kishimoto , Yuji Sasaki , Hideaki Watanabe
IPC分类号： G11B5/39 , G11B5/62
CPC分类号： B82Y25/00 , G11B5/584 , G11B5/70 , G11B5/70615 , G11B5/70621 , G11B5/712 , G11B5/714 , G11B5/716 , G11B5/73 , G11B5/735 , G11B5/78 , G11B23/107 , H01F1/0054 , H01F1/0551 , H01F1/059 , Y10T428/1107 , Y10T428/2991
摘要： A magnetic recording medium comprising a non-magnetic support; at least one lower magnetic layer containing magnetic powder and a binder resin, which is formed on one side of the non-magnetic support with or without a non-magnetic primer layer interposed between the non-magnetic support and the lower magnetic layer; at least one non-magnetic intermediate layer containing non-magnetic powder and a binder resin, which is formed on the lower magnetic layer; at least one upper magnetic layer containing magnetic powder and a binder resin, which is formed on the non-magnetic intermediate layer; and a back layer which is formed on the other side of the non-magnetic support, characterized in that the magnetic powder contained in the uppermost magnetic layer of the upper magnetic layer is iron type magnetic powder which comprises substantially spherical or ellipsoidal particles with a number-average particle diameter of 5 to 50 nm and an average axial ratio of 1 to 2, each of said particles containing iron or containing iron as a main component and a transition element; and that the total thickness of the magnetic recording medium is 6 μm or less. This magnetic recording medium has electromagnetic conversion, characteristics which cannot be achieved by any of conventional magnetic recording media, and also is expected to have excellent magnetic serve characteristics.
摘要翻译：一种磁记录介质，包括非磁性载体; 至少一个含有磁性粉末和粘合剂树脂的下磁性层，其形成在非磁性载体的一侧上，该非磁性载体具有或不具有介于非磁性载体和下部磁性层之间的非磁性底漆层; 至少一个含有非磁性粉末和粘结剂树脂的非磁性中间层，形成在下部磁性层上; 至少一个含有磁性粉末和粘结剂树脂的上磁性层，形成在非磁性中间层上; 以及形成在所述非磁性载体的另一侧的背层，其特征在于，包含在所述上磁性层的最上层磁性层中的磁性粉末是铁型磁粉，其包含基本上具有数量的球形或椭圆形颗粒平均粒径为5〜50nm，平均轴比为1〜2，所述粒子含有铁或以铁为主要成分，过渡元素为主成分。并且磁记录介质的总厚度为6μm或更小。这种磁记录介质具有电磁转换特性，这些特性通过任何常规的磁记录介质都不能实现，并且预期具有优异的磁性能特性。

64. 发明申请

US20070190366A1 Magnetic recording medium 审中-公开
标题翻译：磁记录介质
公开(公告)号：US20070190366A1
公开(公告)日：2007-08-16
申请号：US11656514
申请日：2007-01-23
申请人： Yuichiro Murayama , Hiroshi Hashimoto
发明人： Yuichiro Murayama , Hiroshi Hashimoto
IPC分类号： G11B5/716
CPC分类号： G11B5/7026 , G11B5/714 , G11B5/73
摘要： A magnetic recording medium is provided that comprises a non-magnetic support and, in order thereabove, a radiation-cured layer cured by exposing a layer comprising a radiation curing compound to radiation, and a magnetic layer comprising a ferromagnetic powder dispersed in a binder, the radiation curing compound having a radiation curing functional group concentration of at least 2 mmol/g but no greater than 6 mmol/g, and the radiation-cured layer comprising at least 30 vol % but no greater than 60 vol % of an inorganic powder.
摘要翻译：提供一种磁记录介质，其包括非磁性载体，并且依次为通过将包含辐射固化化合物的层暴露于辐射而固化的辐射固化层和包含分散在粘合剂中的铁磁性粉末的磁性层，所述辐射固化化合物具有至少2mmol / g但不大于6mmol / g的辐射固化官能团浓度，并且所述辐射固化层包含至少30体积％但不大于60体积％的无机粉末。

65. 发明申请

US20070141239A1 MAGNETIC RECORDING MEDIUM AND METHOD OF FABRICATING THE SAME 审中-公开
标题翻译：磁记录介质及其制造方法
公开(公告)号：US20070141239A1
公开(公告)日：2007-06-21
申请号：US11668650
申请日：2007-01-30
申请人： Yasumi Sato
发明人： Yasumi Sato
IPC分类号： B05D5/12 , B05D3/00
CPC分类号： G11B5/84 , G11B5/70 , G11B5/73 , Y10T428/24248 , Y10T428/24281 , Y10T428/31765
摘要： In order to attain a magnetic recording medium compliant with the AIT4 format and capable of accomplishing a block error rate of 1×10−4 or below, there is provided a magnetic recording medium having a magnetic layer composed of a metal magnetic thin film formed on a non-magnetic substrate composed of an aromatic polyamide film, in which the magnetic layer has a coercive force Hc of 120 kA/m to 235 kA/m, and a square ratio Rs of 0.69 or above.
摘要翻译：为了获得符合AIT4格式并且能够实现1×10 -4以下的块错误率的磁记录介质，提供了一种具有由金属构成的磁性层的磁记录介质形成在由芳族聚酰胺膜构成的非磁性基板上形成的磁性薄膜，其中磁性层的矫顽力Hc为120kA / m 2〜235kA / m，平方比Rs为0.69以上。

66. 发明申请

US20070082232A1 Film and magnetic-recording medium using the same 有权
标题翻译：胶片和磁记录介质使用它
公开(公告)号：US20070082232A1
公开(公告)日：2007-04-12
申请号：US10578921
申请日：2004-11-11
申请人： Masanori Sueoka , Akimitsu Tsukuda
发明人： Masanori Sueoka , Akimitsu Tsukuda
IPC分类号： B32B27/34 , B32B27/08 , G11B5/706 , C08G69/08
CPC分类号： G11B5/73 , H05K1/0346 , H05K1/0393 , Y10T428/31681 , Y10T428/31725
摘要： A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at 180° C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) simultaneously, with αMD (×10−6/° C.) and αTD (×10−6/° C.) being coefficient of thermal expansion in the longitudinal and the transverse direction, respectively, and βMD (×10−6/% RH) andβTD (×10−6/% RH) being coefficient of hygroscopic expansion in the longitudinal and the transverse direction, respectively. In the film, by controlling the dimensional changes by temperature and humidity within specific ranges, it becomes possible to control the dimensional change and the difference in dimensional changes between the longitudinal and the transverse direction of the film used as a magnetic-recording medium to be extremely small. −10≦αMD≦10 (1), αMD−10≦αTD≦αMD−3 (2), −10≦βMD≦10 (3), βMD−10≦βTD≦βMD−3 (4)
摘要翻译：使用该膜的膜和磁记录介质，其中在无张力下进行30分钟热处理的膜的横向热收缩率。在180℃下为1.0至2.5％，并且其中该膜同时满足以下等式（1） - （4），使用αMD（x10 -6 /℃）和αTD（分别为纵向和横向的热膨胀系数和βMD（x10-6 /％RH）和βTD（x10）的热膨胀系数分别为纵向和横向的吸湿膨胀系数。在薄膜中，通过将温度和湿度的尺寸变化控制在特定范围内，可以将尺寸变化和用作磁记录介质的薄膜的纵向和横向之间的尺寸变化的差异控制为非常小 -10 <=αMD<= 10（1），αMD-10 <=αTD<=αMD-3（2），-10 <=βMD= 10（3），βMD-10 <=βTD<=βMD-3 （4）

67. 发明授权

US07179551B2 Poly(arylene ether) data storage media 失效
标题翻译：聚（亚芳基醚）数据存储介质
公开(公告)号：US07179551B2
公开(公告)日：2007-02-20
申请号：US10063004
申请日：2002-03-11
申请人： Thomas Paul Feist , Kevin Hsingtao Dai , Glen David Merfeld
发明人： Thomas Paul Feist , Kevin Hsingtao Dai , Glen David Merfeld
IPC分类号： G11B5/73
CPC分类号： G11B7/2536 , B82Y10/00 , G11B5/73 , G11B5/743 , G11B5/82 , G11B7/24038 , G11B7/2433 , G11B7/246 , G11B7/2472 , G11B7/248 , G11B7/252 , G11B7/2533 , G11B7/2534 , G11B7/2542 , G11B7/2548 , G11B7/2578 , G11B7/258 , G11B11/10586 , G11B2007/25708 , G11B2007/2571 , G11B2007/25711 , G11B2007/25713 , G11B2007/25715
摘要： A storage media comprises: a substrate comprising a plastic resin portion, wherein to plastic resin portion comprises poly(arylene ether) and a styrene material selected from the group consisting of polystyrene, styrenic copolymer(s), and reaction products and combinations comprising at least one of the foregoing styrene material(s), and a data layer on the substrate. The data layer can be at least partly read from, written to, or a combination thereof by an energy field. Additionally, when the energy field contacts the storage media, the energy field is incident upon the data layer before it could be incident upon the substrate.
摘要翻译：存储介质包括：包含塑料树脂部分的基材，其中塑料树脂部分包含聚（亚芳基醚）和选自聚苯乙烯，苯乙烯共聚物的苯乙烯材料，以及至少包含至少前述苯乙烯材料之一，以及基板上的数据层。数据层可以至少部分地通过能量场读取，写入或其组合。另外，当能量场接触存储介质时，能量场就会入射到数据层上，然后它就能入射到衬底上。

68. 发明申请

US20070026264A1 MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：磁记录介质
公开(公告)号：US20070026264A1
公开(公告)日：2007-02-01
申请号：US11461051
申请日：2006-07-31
申请人： Takayoshi Kuwajima , Akinori Nishizawa , Akihiko Seki
发明人： Takayoshi Kuwajima , Akinori Nishizawa , Akihiko Seki
IPC分类号： G11B5/716 , G11B5/71
CPC分类号： G11B5/70 , G11B5/73 , G11B5/735
摘要： A magnetic recording medium has a non-magnetic layer and a magnetic layer formed in that order on one surface of a non-magnetic support and a back coat layer formed on the other surface of the non-magnetic support. The non-magnetic layer is formed so as to include at least one of α-iron oxide and α-iron hydroxide. The magnetic layer is formed so as to include a ferromagnetic alloy powder. The back coat layer is formed so as to include carbon black, and barium sulfate. At least one of the non-magnetic layer and the magnetic layer includes lubricant. The layers are formed so that the amount of SO42− eluted when the magnetic recording medium is immersed in water at 70° C. is in a range of 300 ppm to 600 ppm inclusive relative to the weight of the magnetic recording medium.
摘要翻译：磁记录介质具有非磁性层和在非磁性载体的一个表面上形成的磁性层和形成在非磁性载体的另一个表面上的背涂层。非磁性层形成为包括α-氧化铁和α-氢氧化铁中的至少一种。磁性层形成为包含铁磁性合金粉末。背涂层形成为包括炭黑和硫酸钡。非磁性层和磁性层中的至少一个包括润滑剂。这些层被形成为使得当磁记录介质浸入70℃的水中时洗脱的SO 3 - 2的量在300ppm至相对于磁记录介质的重量为600ppm。

69. 发明申请

US20070009655A1 METHOD OF MANUFACTURING A MAGNETIC RECORDING MEDIUM 审中-公开
标题翻译：制造磁记录介质的方法
公开(公告)号：US20070009655A1
公开(公告)日：2007-01-11
申请号：US11428659
申请日：2006-07-05
申请人： Katsuhiko YAMAZAKI , Tsutomu IDE
发明人： Katsuhiko YAMAZAKI , Tsutomu IDE
IPC分类号： B05D5/12
CPC分类号： G11B5/8404 , G11B5/73
摘要： A method of manufacturing a magnetic recording medium comprising forming a reinforcing layer on a first surface of a non-magnetic support, performing a surface treatment that applies external energy to a surface of the reinforcing layer, and forming a functional layer on the surface of the reinforcing layer that has been subjected to the surface treatment. By doing so, the functional layer can be prevented from peeling off the reinforcing layer with no increase in manufacturing cost or fall in manufacturing yield.
摘要翻译：一种制造磁记录介质的方法，包括在非磁性载体的第一表面上形成增强层，进行对加强层的表面施加外部能量的表面处理，以及在该表面上形成功能层已经进行了表面处理的增强层。通过这样做，可以防止功能层剥离增强层，而不增加制造成本或降低制造成品率。

70. 发明授权

US07147906B2 Data storage medium comprising polyimides 有权
标题翻译：包含聚酰亚胺的数据存储介质
公开(公告)号：US07147906B2
公开(公告)日：2006-12-12
申请号：US10603497
申请日：2003-06-24
申请人： Eugene David Herrmann , James Anthony Cella , John Bradford Reitz , Racid Kerboua , Irene Dris
发明人： Eugene David Herrmann , James Anthony Cella , John Bradford Reitz , Racid Kerboua , Irene Dris
IPC分类号： B32B3/02 , B32B9/04 , B32B27/00 , G11B7/24 , B29D11/00
CPC分类号： G11B5/73 , C08G73/1053 , Y10S360/902 , Y10T428/21 , Y10T428/31504 , Y10T428/31681 , Y10T428/31721
摘要： In one aspect the present invention provides a storage medium for data, the storage medium comprising: a) a substrate, a physical portion of which comprises at least one polyimide, and b) at least one data layer on the substrate. The substrate comprising a polyimide exhibits low axial displacement and beneficial damping characteristics.
摘要翻译：一方面，本发明提供了一种用于数据的存储介质，所述存储介质包括：a）衬底，其物理部分包括至少一个聚酰亚胺，以及b）所述衬底上的至少一个数据层。包含聚酰亚胺的基材表现出低轴向位移和有利的阻尼特性。

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