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    Perpendicular magnetic recording medium
    1.
    发明授权
    Perpendicular magnetic recording medium 失效
    垂直磁记录介质

    公开(公告)号：US06916530B2

    公开(公告)日：2005-07-12

    申请号：US10255075

    申请日：2002-09-26

    申请人： Jun Koujima ,  Teruaki Santoki ,  Masaaki Maekawa ,  Takanori Doi

    发明人： Jun Koujima ,  Teruaki Santoki ,  Masaaki Maekawa ,  Takanori Doi

    IPC分类号： G11B5/64 ,  G11B5/73 ,  G11B5/66 ,  G11B5/70 ,  H01J1/00

    CPC分类号： G11B5/667 ,  G11B5/653 ,  G11B5/7325 ,  Y10S428/90 ,  Y10T428/12465 ,  Y10T428/265

    摘要： A perpendicular magnetic recording medium, comprises a substrate; a soft-magnetic layer formed on the substrate; an NaCl-type oxide layer for orientation control formed on the soft-magnetic layer, having a thickness of from more than 0 to less than 10 nm; and a magnetic recording layer formed on the NaCl-type oxide layer for orientation control, comprising a maghemite thin film. Such a perpendicular magnetic recording medium is capable of showing excellent magnetic properties, a high recording resolution and improved surface properties.

    摘要翻译： 垂直磁记录介质，包括基板; 形成在所述基板上的软磁性层; 用于定向控制的NaCl型氧化物层形成在软磁层上，其厚度大于0至小于10nm; 以及形成在用于取向控制的NaCl型氧化物层上的磁记录层，包括磁赤铁矿薄膜。 这样的垂直磁记录介质能够显示优异的磁性能，高记录分辨率和改进的表面性能。

    Magnetic recording medium and process for producing the same
    2.
    发明授权
    Magnetic recording medium and process for producing the same 失效
    磁记录介质及其制造方法

    公开(公告)号：US06821618B2

    公开(公告)日：2004-11-23

    申请号：US10185728

    申请日：2002-07-01

    申请人： Jun Koujima ,  Teruaki Santoki ,  Kenichi Nakata ,  Takanori Doi ,  Masaaki Maekawa ,  Kousaku Tamari

    发明人： Jun Koujima ,  Teruaki Santoki ,  Kenichi Nakata ,  Takanori Doi ,  Masaaki Maekawa ,  Kousaku Tamari

    IPC分类号： C23C1408

    CPC分类号： G11B5/653 ,  G11B5/851 ,  Y10T428/265

    摘要： A magnetic recording medium exhibiting a high coercive force and excellent squareness having a substrate, an underlayer formed on the substrate, and a spinel-type iron oxide thin film with maghemite as a main component formed on the underlayer. The spinel-type iron oxide thin film has a thickness (t) of 5 to 50 nm, is constituted by grains having an average grain size (D) of 5 to 30 nm, standard deviation of sizes of grain of not more than 4 nm and a ratio (D/t) of the average grain size (D) to the thickness (t) of less than 1.0, exhibits a coercive force of not less than 159 kA/m (2,000 Oe) and a coercive squareness ratio S* of not less than 0.5:1 in a longitudinal recording medium or a squareness ratio not less than 0.75:1 in a perpendicular recording medium.

    摘要翻译： 具有高矫顽力和具有基底的优良矩形性的磁记录介质，在基底上形成的底层和在底层上形成有以磁赤铁矿为主要成分的尖晶石型氧化铁薄膜。 尖晶石型氧化铁薄膜的厚度（t）为5〜50nm，由平均粒径（D）为5〜30nm的晶粒构成，粒径不超过4nm的标准偏差 平均粒径（D）与厚度（t）的比（D / t）小于1.0时，矫顽力为159kA / m 2（2000Oe），矫顽截面比S * 在纵向记录介质中不小于0.5:1，或垂直记录介质中不小于0.75:1的矩形比。

    Magnetic recording medium
    3.
    发明申请
    Magnetic recording medium 审中-公开
    磁记录介质

    公开(公告)号：US20070111038A1

    公开(公告)日：2007-05-17

    申请号：US11273607

    申请日：2005-11-15

    申请人： Jun Koujima ,  Teruaki Santoki ,  Takanori Doi

    发明人： Jun Koujima ,  Teruaki Santoki ,  Takanori Doi

    IPC分类号： G11B5/65

    CPC分类号： G11B5/70 ,  G11B5/70642

    摘要： A magnetic recording medium comprises a polymer film substrate having an elongated shape or a polymer flexible substrate; an underlayer having a thickness of less than 10 nm, which is formed on the substrate; and a magnetic recording layer comprising a spinel iron oxide thin film containing maghemite as a main component, which is formed on the underlayer and has a coercive force of not less than 159 kA/m (2000 Oe). The present invention provides the magnetic recording medium comprising a spinel iron oxide thin film containing maghemite as a main component, which exhibits an excellent recording resolution performance while maintaining a high coercive force and a high coercive force squareness.

    摘要翻译： 磁记录介质包括具有细长形状的聚合物薄膜基材或聚合物柔性基材; 形成在基板上的厚度小于10nm的底层; 以及包含形成在底层上并具有不小于159kA / m（2000Oe）的矫顽力的以磁赤铁矿为主要成分的尖晶石氧化铁薄膜的磁记录层。 本发明提供一种包含磁铁矿作为主要成分的尖晶石氧化铁薄膜的磁记录介质，在保持高矫顽力和高矫顽力矩形度的同时表现出优异的记录分辨率性能。

    Li-Ni COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    5.
    发明申请
    Li-Ni COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    用于非水电解质二次电池的Li-Ni复合氧化物颗粒，其制备方法和非水电解质二次电池

    公开(公告)号：US20100099027A1

    公开(公告)日：2010-04-22

    申请号：US12529809

    申请日：2008-03-05

    申请人： Kazuhiko Kikuya ,  Osamu Sasaki ,  Teruaki Santoki ,  Hiroshi Yamamoto

    发明人： Kazuhiko Kikuya ,  Osamu Sasaki ,  Teruaki Santoki ,  Hiroshi Yamamoto

    IPC分类号： H01M4/52 ,  H01M4/50 ,  H01M4/46

    CPC分类号： C01G53/50 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/85 ,  C01P2002/88 ,  C01P2004/62 ,  C01P2004/82 ,  C01P2006/37 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

    摘要： The present invention relates to Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery which have a large charge/discharge capacity and are excellent in thermal stability under a charged condition. The above object can be achieved by the Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery, comprising a Li—Ni composite oxide whose secondary particles form core particles thereof and have a composition represented by the formula: Lix1Ni1-y1-z1-w1Coy1Mnz1Mw1O2 (in which 0.9≦x1≦1.3; 0.1≦y1≦0.3; 0.0≦z1≦0.3; 0≦w1≦0.1; and M is at least one metal selected from the group consisting of Al and Fe), wherein a Li—Ni composite oxide having a composition represented by the formula: Lix2Ni1-y2-z2-w2Coy2Mnz2Mw2O2 (in which 0.9≦x2≦1+z2; 0≦y2≦0.33; 0≦z2≦0.5; 0≦w2≦0.1; and M is at least one metal selected from the group consisting of Al, Fe, Mg, Zr and Ti, is coated or present on a surface of the respective secondary particles.

    摘要翻译： 本发明涉及一种非水电解质二次电池用Li-Ni复合氧化物颗粒，其具有大的充放电能力，并且在充电条件下具有优异的热稳定性。 上述目的可以通过用于非水电解质二次电池的Li-Ni复合氧化物颗粒来实现，所述Li-Ni复合氧化物颗粒包括其二次颗粒形成其核心颗粒并具有由下式表示的组成的Li-Ni复合氧化物：Lix1Ni1-y1- z1-w1Coy1Mnz1Mw1O2（其中0.9＆nlE; x1＆nlE; 1.3; 0.1＆nlE; y1＆nlE; 0.3; 0.0＆nlE; z1＆nlE; 0.3; 0＆nlE; w1＆nlE; 0.1; M是选自Al和Fe中的至少一种金属） 其中具有由下式表示的组成的Li-Ni复合氧化物：其中0.9≤n1E; x2＆ ; 0.1; M是选自Al，Fe，Mg，Zr和Ti中的至少一种金属，被涂覆或存在于各个二次颗粒的表面上。

    Magnetic recording medium and process for producing the same
    6.
    发明授权
    Magnetic recording medium and process for producing the same 失效
    磁记录介质及其制造方法

    公开(公告)号：US06746786B2

    公开(公告)日：2004-06-08

    申请号：US09976296

    申请日：2001-10-15

    申请人： Teruaki Santoki ,  Yasuo Kakihara ,  Mitsuru Matsuura ,  Setsuo Yamamoto

    发明人： Teruaki Santoki ,  Yasuo Kakihara ,  Mitsuru Matsuura ,  Setsuo Yamamoto

    IPC分类号： G11B566

    CPC分类号： G11B5/7325 ,  G11B5/656 ,  G11B5/851 ,  Y10S428/90

    摘要： A magnetic recording medium, comprises a substrate; and a Co-containing spinel-type iron oxide thin film formed on the substrate, having a Co content of 1 to 20 mol % based on Fe, a coercive force value of not less than 159 kA/m (2,000 Oe), a thickness of 5 to 200 nm, a center line average height Ra of 0.1 to 0.8 nm and a maximum height (Rmax) of not more than 10 nm. The magnetic recording medium is capable of exhibiting a relatively high coercive force, especially a coercive force of not less than 159 kA/m (2,000 Oe) despite as small a film thickness as not more than 200 nm, and an excellent surface smoothness.

    摘要翻译： 磁记录介质，包括基板; 和在该基板上形成的含Co尖晶石型氧化铁薄膜，Co含量为Fe为1〜20摩尔％，矫顽力值为159kA / m 2（2,000Oe）以上，厚度 为5〜200nm，中心线平均高度Ra为0.1〜0.8nm，最大高度（Rmax）为10nm以下。 尽管薄膜厚度不大于200nm，磁记录介质也能表现出相当高的矫顽力，特别是不低于159kA / m（2000Oe）的矫顽力，并具有优异的表面平滑度。

    POSITIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
    10.
    发明申请
    POSITIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权
    正极电极活性物质颗粒及其制造方法和非水电解质二次电池

    公开(公告)号：US20120217435A1

    公开(公告)日：2012-08-30

    申请号：US13497628

    申请日：2010-09-28

    申请人： Manabu Yamamoto ,  Daisuke Nishikawa ,  Kazutoshi Ishizaki ,  Kazuhiko Kikuya ,  Teruaki Santoki ,  Osamu Sasaki ,  Hideaki Sadamura

    发明人： Manabu Yamamoto ,  Daisuke Nishikawa ,  Kazutoshi Ishizaki ,  Kazuhiko Kikuya ,  Teruaki Santoki ,  Osamu Sasaki ,  Hideaki Sadamura

    IPC分类号： H01M4/525 ,  H01M4/50 ,  H01M4/485

    CPC分类号： C01G51/50 ,  B82Y30/00 ,  C01G45/1228 ,  C01G51/42 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/80 ,  H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R−3m and a crystal system belonging to a space group of C2/m, and boron, wherein the compound is a composite oxide comprising at least Li, Mn, and Co and/or Ni; a relative intensity ratio [(a)/(b)] of a maximum diffraction peak intensity (a) observed at 2θ=20.8±1° in a powder X-ray diffraction pattern of the positive electrode active substance as measured using a Cu-Ka ray to a maximum diffraction peak intensity (b) observed at 2θ=18.6±1° in the powder X-ray diffraction pattern, is 0.02 to 0.5; a content of Mn in the positive electrode active substance particles is controlled such that a molar ratio of Mn/(Ni+Co+Mn) therein is not less than 0.55; and the positive electrode active substance particles comprise the boron in an amount of 0.001 to 3% by weight. The positive electrode active substance particles of the present invention are produced by calcining a mixture comprising precursor particles comprising Mn, and Ni and/or Co, a lithium compound and a boron compound at a temperature of 500 to 1500° C. The positive electrode active substance particles of the present invention can provide a secondary battery which can be improved in charge/discharge capacity and cycle characteristics.

    摘要翻译： 本发明涉及包含至少具有属于R-3m的空间群的晶体系的化合物和属于C2 / m的空间群的晶体系的化合物和硼的正极活性物质颗粒，其中所述化合物为 至少包含Li，Mn和Co和/或Ni的复合氧化物; 在使用Cu测定的正极活性物质的粉末X射线衍射图中，在2θ观察到的最大衍射峰强度（a）的相对强度比[（a）/（b）] = 20.8±1° -Ka射线在粉末X射线衍射图中在2θ观察到的最大衍射峰强度（b）= 18.6±1°，为0.02〜0.5; 控制正极活性物质粒子中的Mn含量使得其中Mn /（Ni + Co + Mn）的摩尔比不小于0.55; 正极活性物质粒子含有0.001〜3重量％的硼。 本发明的正极活性物质颗粒是通过在500〜1500℃的温度下煅烧包含Mn，Ni和/或Co的前体颗粒，锂化合物和硼化合物的混合物来制造的。正极活性物质 本发明的物质颗粒可以提供可以提高充电/放电容量和循环特性的二次电池。