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    Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium
    1.
    发明授权
    Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium 失效
    垂直磁记录介质，磁记录装置和垂直磁记录介质的制造方法

    公开(公告)号：US07422808B2

    公开(公告)日：2008-09-09

    申请号：US10938259

    申请日：2004-09-10

    申请人： Toshio Sugimoto ,  Takuya Uzumaki ,  Atsushi Tanaka

    发明人： Toshio Sugimoto ,  Takuya Uzumaki ,  Atsushi Tanaka

    IPC分类号： G11B5/667

    CPC分类号： G11B5/667 ,  G11B5/7325 ,  G11B5/8404

    摘要： A vertical magnetic recording medium includes a substrate, a soft magnetic backing layer formed on the substrate, a magnetic flux confinement layer formed on the soft magnetic backing layer, an intermediate layer formed on the magnetic flux confinement layer, and a recording layer of a vertical magnetization film formed on the intermediate layer. The magnetic flux confinement layer has a plurality of soft magnetic parts each formed along a track region of plural track regions and a non-magnetic parts formed between adjacent track regions. The intermediate layer is formed of a non-magnetic material and is formed so as to cover a surface of the soft magnetic part and the non-magnetic parts.

    摘要翻译： 垂直磁记录介质包括基板，形成在基板上的软磁背衬层，形成在软磁背衬层上的磁通限制层，形成在磁通限制层上的中间层，垂直磁记录介质的记录层 形成在中间层上的磁化膜。 磁通量限制层具有沿着多个轨道区域的轨道区域形成的多个软磁体部分和形成在相邻轨道区域之间的非磁性部件。 中间层由非磁性材料形成，并且形成为覆盖软磁性部件和非磁性部件的表面。

    Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium
    2.
    发明申请
    Vertical magnetic recording medium, magnetic recording apparatus and manufacturing method of a vertical magnetic recording medium 失效
    垂直磁记录介质，磁记录装置和垂直磁记录介质的制造方法

    公开(公告)号：US20050233178A1

    公开(公告)日：2005-10-20

    申请号：US10938259

    申请日：2004-09-10

    申请人： Toshio Sugimoto ,  Takuya Uzumaki ,  Atsushi Tanaka

    发明人： Toshio Sugimoto ,  Takuya Uzumaki ,  Atsushi Tanaka

    IPC分类号： G11B5/65 ,  G11B5/66 ,  G11B5/667 ,  G11B5/68 ,  G11B5/73 ,  G11B5/738 ,  G11B5/84 ,  G11B5/851 ,  G11B5/858

    CPC分类号： G11B5/667 ,  G11B5/7325 ,  G11B5/8404

    摘要： A vertical magnetic recording medium comprises a substrate, a soft magnetic backing layer formed on the substrate, a magnetic flux confinement layer formed on the soft magnetic backing layer, an intermediate layer formed on the magnetic flux confinement layer, and a recording layer of a vertical magnetization film formed on the intermediate layer, wherein the magnetic flux confinement part comprises a plurality of soft magnetic parts each formed along a track region of plural track regions and a non-magnetic part formed between adjacent track regions, the intermediate layer being formed of a non-magnetic material and is formed so as to cover a surface of the soft magnetic part and the non-magnetic parts.

    摘要翻译： 垂直磁记录介质包括基板，形成在基板上的软磁背衬层，形成在软磁背衬层上的磁通限制层，形成在磁通限制层上的中间层，以及纵向磁记录介质的记录层 形成在所述中间层上的磁化膜，其中所述磁通限制部分包括沿着多个轨道区域的轨道区域形成的多个软磁体部分和形成在相邻轨道区域之间的非磁性部分，所述中间层由 形成为覆盖软磁性部件和非磁性部件的表面的非磁性材料。

    Perpendicular magnetic recording medium
    3.
    发明申请
    Perpendicular magnetic recording medium 审中-公开
    垂直磁记录介质

    公开(公告)号：US20050196649A1

    公开(公告)日：2005-09-08

    申请号：US11091937

    申请日：2005-03-28

    申请人： Ryosaku Inamura ,  Hiroto Takeshita ,  Toshio Sugimoto ,  Kazumasa Shimoda ,  Takenori Oshima ,  Maki Maeda ,  Takuya Uzumaki ,  Atsushi Tanaka

    发明人： Ryosaku Inamura ,  Hiroto Takeshita ,  Toshio Sugimoto ,  Kazumasa Shimoda ,  Takenori Oshima ,  Maki Maeda ,  Takuya Uzumaki ,  Atsushi Tanaka

    IPC分类号： B32B1/00 ,  G11B5/64 ,  G11B5/65 ,  G11B5/667 ,  G11B5/73

    CPC分类号： B32B1/00 ,  G11B5/65 ,  G11B5/667 ,  G11B5/7325

    摘要： A perpendicular magnetic recording medium includes a magnetic orientation controller layer serving as a layer for controlling crystalline orientation in an upper layer. A non-magnetic orientation controller layer extends on the surface of the magnetic orientation controller layer The non-magnetic orientation controller layer serves as a layer for controlling crystalline orientation in an upper layer. A magnetic recording layer extends on the surface of the non-magnetic orientation controller layer. The perpendicular magnetic recording medium allows a reliable establishment of a uniform crystalline orientation in the magnetic recording layer based on the influences from the magnetic and non-magnetic orientation controller layers. A reliable establishment of a uniform crystalline orientation can be achieved without an increase in the thickness of the non-magnetic orientation controller layer.

    摘要翻译： 垂直磁记录介质包括用作控制上层结晶取向层的磁性取向控制层。 非磁性取向控制层在磁性取向控制层的表面上延伸。非磁性取向控制层用作控制上层结晶取向的层。 磁记录层在非磁性取向控制层的表面上延伸。 垂直磁记录介质基于来自磁和非磁性取向控制层的影响，允许在磁记录层中可靠地建立均匀的晶体取向。 可以在不增加非磁性取向控制层的厚度的情况下实现均匀结晶取向的可靠建立。

    Magnetic recording medium for perpendicular recording
    4.
    发明授权
    Magnetic recording medium for perpendicular recording 失效
    用于垂直记录的磁记录介质

    公开(公告)号：US07525762B2

    公开(公告)日：2009-04-28

    申请号：US10718202

    申请日：2003-11-20

    申请人： Ryosaku Inamura ,  Kazumasa Shimoda ,  Toshio Sugimoto ,  Takuya Uzumaki

    发明人： Ryosaku Inamura ,  Kazumasa Shimoda ,  Toshio Sugimoto ,  Takuya Uzumaki

    IPC分类号： G11B5/667

    CPC分类号： G11B5/7325 ,  G11B5/00 ,  G11B5/012 ,  G11B5/02 ,  G11B5/64 ,  G11B5/66 ,  G11B5/82 ,  G11B2005/0002 ,  G11B2005/0021 ,  G11B2005/0029

    摘要： A perpendicular magnetic recording medium at least comprises a perpendicular magnetic recording layer and a backing layer backing the perpendicular magnetic recording layer. The backing layer has an in-plane magnetization and is formed of a ferrimagnetic material having a compensation temperature in the vicinity of a recording/reproducing temperature in which reproducing of magnetic information is made from the perpendicular magnetic recording layer. A magnetic storage apparatus for recording and reproducing magnetic information using the perpendicular magnetic recording medium is also disclosed.

    摘要翻译： 垂直磁记录介质至少包括垂直磁记录层和背衬垂直磁记录层的背衬层。 背衬层具有平面内磁化，并且由具有补偿温度的磁铁材料形成，所述补偿温度在记录/再现温度附近，其中磁信息从垂直磁记录层进行再现。 还公开了一种使用垂直磁记录介质记录和再现磁信息的磁存储装置。

    Information recording medium and information storing device
    8.
    发明授权
    Information recording medium and information storing device 失效
    信息记录介质和信息存储装置

    公开(公告)号：US06875527B2

    公开(公告)日：2005-04-05

    申请号：US10316643

    申请日：2002-12-11

    申请人： Toshio Sugimoto ,  Takuya Uzumaki

    发明人： Toshio Sugimoto ,  Takuya Uzumaki

    IPC分类号： G11B5/65 ,  G11B5/64 ,  G11B5/66 ,  G11B5/70

    CPC分类号： G11B5/66 ,  Y10S428/90 ,  Y10T428/265

    摘要： A perpendicular magnetic recording medium including a substrate, a soft-magnetic backing layer formed on the substrate, a magnetic recording layer having perpendicular magnetic anisotropy formed on the backing layer, and a leakage magnetic field control layer having ferrimagnetism formed on the magnetic recording layer. The leakage magnetic field control layer is exchange-coupled to the magnetic recording layer antiferromagnetically or ferrimagnetically to thereby suppress the influence of leakage magnetic fields from the backing layer and the magnetic recording layer and reduce the medium noise.

    摘要翻译： 包括基板，形成在基板上的软磁背衬层，形成在背衬层上的具有垂直磁各向异性的磁记录层的垂直磁记录介质，以及形成在磁记录层上的具有铁磁性的泄漏磁场控制层。 泄漏磁场控制层与磁记录层交换耦合到反铁磁或铁磁，从而抑制来自背衬层和磁记录层的泄漏磁场的影响，并降低介质噪声。

    Perpendicular magnetic recording medium and magnetic storage apparatus
    9.
    发明授权
    Perpendicular magnetic recording medium and magnetic storage apparatus 失效
    垂直磁记录介质和磁存储设备

    公开(公告)号：US07807278B2

    公开(公告)日：2010-10-05

    申请号：US11388991

    申请日：2006-03-24

    申请人： Toshio Sugimoto ,  Ryosaku Inamura ,  Takuya Uzumaki

    发明人： Toshio Sugimoto ,  Ryosaku Inamura ,  Takuya Uzumaki

    IPC分类号： G11B5/66

    CPC分类号： G11B5/667 ,  G11B5/7325

    摘要： A perpendicular magnetic recording medium, including a soft-magnetic backing layer; and a recording layer provided over the oft-magnetic backing layer. There is provided a magnetic flux slit layer between the soft-magnetic backing layer and the recording layer. The magnetic flux slit layer includes a soft-magnetic layer having a generally columnar structure generally isolated magnetically in an in-plane direction. The magnetic flux slit layer contains at least one selected from the group consisting of Co, Fe, Ni, a Co alloy, a Fe alloy, and a Ni alloy, as a major component, and the magnetic flux slit layer further contains any one selected from the group consisting of Ta, Cu, Pb, Cr, and Re.

    摘要翻译： 垂直磁记录介质，包括软磁背衬层; 以及设置在磁性背衬层上的记录层。 在软磁背衬层和记录层之间设置磁通缝隙层。 磁通量狭缝层包括具有通常在面内方向上磁性地隔离的大致柱状结构的软磁性层。 磁通缝隙层包含选自由Co，Fe，Ni，Co合金，Fe合金和Ni合金组成的组中的至少一种作为主要成分，并且磁通量狭缝层还包含选择的任何一种 由Ta，Cu，Pb，Cr和Re组成的组。

    Magnetic recording medium using a perpendicular magnetic film having a tBr not exceeding one-fifth of a tBr of an in-plane magnetic film
    10.
    发明授权
    Magnetic recording medium using a perpendicular magnetic film having a tBr not exceeding one-fifth of a tBr of an in-plane magnetic film 失效
    使用tBr不超过面内磁性膜的tBr的五分之一的垂直磁性膜的磁记录介质

    公开(公告)号：US06835444B2

    公开(公告)日：2004-12-28

    申请号：US09976767

    申请日：2001-10-12

    申请人： Maki Maeda ,  Hiroto Takeshita ,  Takuya Uzumaki ,  Atsushi Tanaka

    发明人： Maki Maeda ,  Hiroto Takeshita ,  Takuya Uzumaki ,  Atsushi Tanaka

    IPC分类号： G11B566

    CPC分类号： G11B5/66 ,  G11B5/855 ,  Y10T428/24967 ,  Y10T428/265 ,  Y10T428/31

    摘要： A magnetic recording medium is provided. The magnetic recording medium comprises an in-plane magnetic film used for recording, and a perpendicular magnetic film formed on the in-plane magnetic film. The in-plane magnetic film has a magnetization easy axis in an in-plane direction. The perpendicular magnetic film has a magnetization easy axis oriented in a direction perpendicular to the magnetization easy axis of the in-plane magnetic film. A tBr (a product of a thickness and a residual magnetization) of the perpendicular magnetic film is set so as not to exceed one-fifth of a tBr of the in-plane magnetic film at the maximum.

    摘要翻译： 提供磁记录介质。 磁记录介质包括用于记录的面内磁性膜和形成在面内磁性膜上的垂直磁性膜。 面内磁性膜在面内方向具有易磁化轴。 垂直磁性膜具有在与面内磁性膜的易磁化轴垂直的方向上取向的易磁化磁化轴。 垂直磁性膜的tBr（厚度和剩余磁化强度）被设定为不超过平面内磁性膜的tBr的五分之一。