知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

20 records (took 0.043 seconds)

    PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME
    3.
    发明申请
    PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME 审中-公开
    全能磁记录介质及其制造方法

    公开(公告)号：US20140147701A1

    公开(公告)日：2014-05-29

    申请号：US13868562

    申请日：2013-04-23

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Takeshi IWASAKI ,  Kazutaka TAKIZAWA ,  Akira WATANABE ,  Kaori KIMURA ,  Tsuyoshi ONITSUKA

    IPC: G11B5/84 ,  G11B5/72

    CPC classification number: G11B5/8408 ,  G11B5/851 ,  G11B5/855

    Abstract: A magnetic recording medium is manufactured by forming a magnetic recording layer on a substrate, forming a protective layer on the magnetic recording layer, executing a sputtering process using a target containing a first ingredient and a second ingredient to form on the protective layer a grain-state mask layer that includes grains formed of the first ingredient and grain boundaries between the grains formed of the second ingredient, etching the grain boundaries so that a projection pattern of the grains is formed, and transferring the projection pattern of the grains to the magnetic recording layer.

    Abstract translation: 通过在基板上形成磁记录层来形成磁记录介质，在磁记录层上形成保护层，使用含有第一成分和第二成分的靶进行溅射处理，在保护层上形成颗粒状， 状态掩模层，其包含由第一成分形成的晶粒和由第二成分形成的晶粒之间的晶界，蚀刻晶界，从而形成晶粒的突起图案，并将晶粒的投影图案转移到磁记录 层。

    MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD
    4.
    发明申请
    MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD 有权
    磁记录介质制造方法

    公开(公告)号：US20160027462A1

    公开(公告)日：2016-01-28

    申请号：US14517030

    申请日：2014-10-17

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Akira WATANABE ,  Kaori KIMURA ,  Takeshi IWASAKI

    IPC: G11B5/84 ,  G11B5/733 ,  G11B5/73

    CPC classification number: G11B5/84 ,  G11B5/7305 ,  G11B5/733 ,  G11B5/855

    Abstract: According to one embodiment, there is provided a magnetic recording medium manufacturing method including forming a bonding layer on a substrate, forming a holding layer containing silicon on the bonding layer, forming a single-particle layer on the holding layer using particles containing metal fusible on the bonding layer, etching SiO2 in the holding layer using an etching solution containing HF and H2O2, filling the holding layer with the particles until the particles are brought into contact with the bonding layer, bonding the particles and the bonding layer together by heating, and forming a magnetic recording layer on the single-particle layer.

    Abstract translation: 根据一个实施例，提供了一种磁记录介质制造方法，包括在基板上形成接合层，在接合层上形成含有硅的保持层，在保持层上形成单颗粒层，使用容纳金属的颗粒 接合层，使用含有HF和H 2 O 2的蚀刻溶液在保持层中蚀刻SiO 2，用颗粒填充保持层直到粒子与接合层接触，通过加热将颗粒和接合层粘合在一起，以及 在单颗粒层上形成磁记录层。

    MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING DEVICE
    5.
    发明公开
    MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING DEVICE 审中-公开

    公开(公告)号：US20240062776A1

    公开(公告)日：2024-02-22

    申请号：US18114879

    申请日：2023-02-27

    Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Electronic Devices & Storage Corporation

    Inventor： Kaori KIMURA

    IPC: G11B5/127

    CPC classification number: G11B5/1278 ,  G11B2005/0024

    Abstract: According to one embodiment, a magnetic head comprises a main pole, an auxiliary magnetic pole provided with the main pole with a write gap therebetween, and a multi-layer provided between the main pole and the auxiliary magnetic pole, by which electric conductivity is enabled from the main pole to the auxiliary magnetic pole. The multi-layer includes a first cooling layer and a first conductive layer, orderly provided on a surface of the main pole opposed to the auxiliary magnetic pole, and the first cooling layer cools the main pole by Peltier effect when electric current is applied, and a length thereof in a track width is longer than a length in a track width of the main pole.

    PATTERN FORMATION METHOD, MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD, AND FINE PARTICLE DISPERSION
    6.
    发明申请
    PATTERN FORMATION METHOD, MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD, AND FINE PARTICLE DISPERSION 审中-公开
    图案形成方法，磁记录介质制造方法和细颗粒分散

    公开(公告)号：US20150069014A1

    公开(公告)日：2015-03-12

    申请号：US14324927

    申请日：2014-07-07

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Kaori KIMURA ,  Kazutaka TAKIZAWA ,  Akira FUJIMOTO

    IPC: C09D125/06 ,  G11B5/84 ,  C09D133/12 ,  G11B5/855

    CPC classification number: C09D125/06 ,  C08K5/56 ,  C09D133/06 ,  C09D133/068 ,  G11B5/855

    Abstract: According to one embodiment, there is provided a pattern formation method including coating a substrate or mask layer with a fine particle coating solution containing fine particles including a protective group having a close surface polarity and containing, on at least surfaces thereof, a material selected from the group consisting of Al, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Y, Zr, Sn, Mo, Ta, W, Au, Ag, Pd, Cu, Pt and oxides thereof, a viscosity modifier, and a solvent for adjusting mixing of the viscosity modifier and the fine particles having the protective group to form a fine particle layer on the substrate or mask layer.

    Abstract translation: 根据一个实施方案，提供了一种图案形成方法，其包括用包含具有密合表面极性的保护基的细颗粒的细颗粒涂布溶液涂覆基材或掩模层，在至少表面上至少含有选自 由Al，Ti，V，Cr，Mn，Fe，Co，Ni，Zn，Y，Zr，Sn，Mo，Ta，W，Au，Ag，Pd，Cu，Pt及其氧化物组成的组， 以及用于调节粘度调节剂和具有保护基的微粒的混合的溶剂，以在基材或掩模层上形成微粒层。

    MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD AND MICROPATTERN MANUFACTURING METHOD
    7.
    发明申请
    MAGNETIC RECORDING MEDIUM MANUFACTURING METHOD AND MICROPATTERN MANUFACTURING METHOD 审中-公开
    磁记录介质制造方法和微型制造方法

    公开(公告)号：US20140120249A1

    公开(公告)日：2014-05-01

    申请号：US13760832

    申请日：2013-02-06

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Kaori KIMURA ,  Kazutaka TAKIZAWA ,  Akira WATANABE ,  Takeshi IWASAKI ,  Akihiko TAKEO

    IPC: G11B5/84

    CPC classification number: G11B5/84 ,  G11B5/855

    Abstract: According to one embodiment, in a magnetic recording medium manufacturing method, an inversion liftoff layer and pattern formation layer are formed on a layer on which an inverted pattern is to be formed, a depressions pattern is formed by patterning the pattern formation layer and transferred to the inversion liftoff layer, the surface of the layer on which an inverted pattern is to be formed is exposed by removing the inversion liftoff layer from depressions, an inversion layer is formed on the inversion liftoff layer and exposed layer, and the inversion liftoff layer is removed, thereby forming, on the exposed layer, an inversion layer having a projections pattern obtained by inverting the depressions pattern.

    Abstract translation: 根据一个实施例，在磁记录介质制造方法中，在要形成反转图案的层上形成反转剥离层和图案形成层，通过图案化图案形成层形成凹陷图案并将其转印到 反转剥离层，通过从凹陷中去除反转剥离层来暴露其上将形成反向图案的层的表面，在反转剥离层和暴露层上形成反型层，反转剥离层为 从而在暴露的层上形成具有通过颠倒凹凸图案而获得的突起图案的反转层。

    MAGNETIC DISK DEVICE
    9.
    发明申请
    MAGNETIC DISK DEVICE 有权

    公开(公告)号：US20230074588A1

    公开(公告)日：2023-03-09

    申请号：US17672016

    申请日：2022-02-15

    Applicant: KABUSHIKI KAISHA TOSHIBA ,  TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION

    Inventor： Kaori KIMURA ,  Akihiko TAKEO ,  Takuya MATSUMOTO

    IPC: G11B5/60 ,  G11B5/11 ,  G11B5/127

    Abstract: According to one embodiment, a magnetic disk device includes a rotatable disk-shaped recording medium, a magnetic head including a write head having a main magnetic pole that applies a recording magnetic field to the recording medium, an assist element that assists magnetic recording by the main magnetic pole, and a plurality of thermal actuators that control a head gradient with respect to the recording medium, and a controller which includes a detection unit configured to detect deterioration of the magnetic head, and changes a head gradient of the magnetic head by the thermal actuator according to the detected deterioration.

Patent Agency Ranking