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    Plasmon generator and thermally-assisted magnetic recording head having the same
    1.
    发明授权
    Plasmon generator and thermally-assisted magnetic recording head having the same 有权
    等离子体发生器和具有相同功能的热辅助磁记录头

    公开(公告)号：US08964514B2

    公开(公告)日：2015-02-24

    申请号：US13568542

    申请日：2012-08-07

    申请人： Kei Hirata ,  Ryo Hosoi ,  Keita Kawamori ,  Tetsuya Roppongi

    发明人： Kei Hirata ,  Ryo Hosoi ,  Keita Kawamori ,  Tetsuya Roppongi

    IPC分类号： G11B11/24 ,  G11B13/08 ,  G11B5/31 ,  G02B5/00 ,  G02B6/122

    CPC分类号： G11B13/08 ,  G02B5/008 ,  G02B6/1226 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/6088 ,  G11B2005/0021 ,  Y10T428/1171 ,  Y10T428/1193

    摘要： A plasmon-generator of the invention is configured to include a first configuration member including a near-field light generating end surface; and a second configuration member joined and integrated with the first configuration member and not including the near-field light generating end surface. The first configuration member is configured to contain Au as a primary component and to contain any one or more elements selected from a group of Co, Fe, Sb, Nb, Zr, Ti, Hf, and Ta, and is configured so that a content percentage X1 of the contained element is within a range between 0.2 at % or more and 2.0 at % or less. Thereby, thermostability, optical characteristic, and the process stability are satisfied. Also, heat dissipation and heat generation suppression effect are extremely superior.

    摘要翻译： 本发明的等离子体发生器被构造成包括包括近场光产生端面的第一配置构件; 以及第二构造构件，其与所述第一构造构件接合并且一体化，并且不包括所述近场光产生端面。 第一配置构件被配置为包含Au作为主要成分并且包含选自Co，Fe，Sb，Nb，Zr，Ti，Hf和Ta中的任何一种或多种元素，并且被配置为使得含量 所含有的元素的X1的比例在0.2at％以上且2.0at％以下的范围内。 由此，满足热稳定性，光学特性和工艺稳定性。 此外，散热和发热抑制效果非常优异。

    Method of manufacturing thermally-assisted magnetic recording head
    2.
    发明授权
    Method of manufacturing thermally-assisted magnetic recording head 有权
    制造热辅助磁记录头的方法

    公开(公告)号：US08590138B2

    公开(公告)日：2013-11-26

    申请号：US13404704

    申请日：2012-02-24

    申请人： Shinji Hara ,  Koji Shimazawa ,  Ryo Hosoi

    发明人： Shinji Hara ,  Koji Shimazawa ,  Ryo Hosoi

    IPC分类号： G11B5/127 ,  H04R31/00

    CPC分类号： G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A method of manufacturing a thermally-assisted magnetic recording head includes: providing a bar and a plurality of light source units, the bar including a plurality of thermally-assisted magnetic recording head sections arranged in a first direction, and each of the light source units including a substrate and a light source; and bonding a second surface of the substrate to the bar with an adhesive layer in between, where the plurality of light source units are so aligned to the respective thermally-assisted magnetic recording head sections on the bar, as to allow a first surface of the substrate, which supports the light source, to be parallel to the first direction, the bonding allowing the substrates of the light source units to be irradiated with a first laser beam and allowing the bar to be irradiated with a second laser beam, to thereby allow the adhesive layer to be melted.

    摘要翻译： 一种制造热辅助磁记录头的方法包括：提供条和多个光源单元，所述条包括沿第一方向布置的多个热辅助磁记录头部分，并且每个光源单元 包括基底和光源; 以及将所述基板的第二表面与所述条之间的粘合剂层粘合到所述条上，其中所述多个光源单元与所述条上的相应的热辅助磁记录头部分对齐，以允许所述第一表面 支撑光源的基板平行于第一方向，使得能够用第一激光束照射光源单元的基板并且允许用第二激光束照射条的接合，从而允许 要熔化的粘合剂层。

    Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unit
    4.
    发明授权
    Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unit 有权
    热辅助磁记录头，头架万向节组件，头臂组件和磁盘单元

    公开(公告)号：US08363515B1

    公开(公告)日：2013-01-29

    申请号：US13397041

    申请日：2012-02-15

    申请人： Tsutomu Chou ,  Koji Shimazawa ,  Shinji Hara ,  Eiji Komura ,  Ryo Hosoi ,  Kosuke Tanaka

    发明人： Tsutomu Chou ,  Koji Shimazawa ,  Shinji Hara ,  Eiji Komura ,  Ryo Hosoi ,  Kosuke Tanaka

    IPC分类号： G11B11/00

    CPC分类号： G11B5/6088 ,  G11B5/314 ,  G11B2005/0021

    摘要： The thermally-assisted magnetic recording head includes: a magnetic pole; a waveguide propagating light in a first direction, the first direction intersecting with an air bearing surface; a plasmon generator having a base and a projection, the base having a surface, and the projection having a top, standing partially on the surface of the base and extending in the first direction. The plasmon generator has a first portion and a second portion, and the first portion and the second portion are provided in this order from the air bearing surface in a direction away from the air bearing surface. Herein, the top of the projection and the surface of the base in the first portion define a first step, and the top of the projection and the surface of the base in the second portion define a second step. The first step is larger than the second step.

    摘要翻译： 热辅助磁记录头包括：磁极; 波导在第一方向传播光，所述第一方向与空气轴承表面相交; 具有基部和突起的等离子体发生器，所述基部具有表面，并且所述突起具有顶部，部分地位于所述基部的所述表面上并沿所述第一方向延伸。 等离子体发生器具有第一部分和第二部分，并且第一部分和第二部分沿着远离空气支承表面的方向从空气轴承表面依次设置。 这里，突起的顶部和第一部分中的基部的表面限定第一步骤，并且突起的顶部和第二部分中的基部的表面限定第二步骤。 第一步大于第二步。

    Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus
    5.
    发明授权
    Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus 有权
    制造热辅助磁记录头和对准装置的方法

    公开(公告)号：US08393074B1

    公开(公告)日：2013-03-12

    申请号：US13267601

    申请日：2011-10-06

    申请人： Seiichi Takayama ,  Koji Shimazawa ,  Shinji Hara ,  Yasuhiro Ito ,  Nobuyuki Mori ,  Ryo Hosoi ,  Kazuaki Takanuki ,  Youichi Ando ,  Chimoto Sugiyama

    发明人： Seiichi Takayama ,  Koji Shimazawa ,  Shinji Hara ,  Yasuhiro Ito ,  Nobuyuki Mori ,  Ryo Hosoi ,  Kazuaki Takanuki ,  Youichi Ando ,  Chimoto Sugiyama

    IPC分类号： G11B5/127 ,  H04R31/00

    CPC分类号： G11B5/314 ,  G11B5/6088 ,  G11B2005/0021 ,  Y10T29/49025 ,  Y10T29/49041 ,  Y10T29/49043 ,  Y10T29/4905 ,  Y10T29/5313 ,  Y10T29/53165

    摘要： A method of manufacturing a thermally-assisted magnetic recording head includes: providing a light source unit including a laser diode; providing a slider having a thermally-assisted magnetic recording head section thereon, the thermally-assisted magnetic recording head section including a magnetic pole, an optical waveguide, and a plasmon generator, the magnetic pole and the optical waveguide both extending toward an air bearing surface, the plasmon generator being located between the magnetic pole and the optical waveguide; driving the laser diode to allow a light beam to be emitted therefrom, the light beam including both a TE polarization component and a TM polarization component; performing an alignment between the light source unit and the thermally-assisted magnetic recording head section, based on a light intensity distribution of the TE polarization component in the light beam which has been emitted from the laser diode and then passed through the optical waveguide; and bonding the light source unit to the slider after the alignment is completed.

    摘要翻译： 一种制造热辅助磁记录头的方法包括：提供包括激光二极管的光源单元; 提供一种在其上具有热辅助磁记录头部分的滑块，所述热辅助磁记录头部分包括磁极，光波导和等离子体发生器，所述磁极和光波导均朝空气轴承表面延伸 所述等离子体发生器位于所述磁极和所述光波导之间; 驱动激光二极管以允许从其发射光束，所述光束包括TE偏振分量和TM偏振分量; 基于从激光二极管发射的光束中的TE偏振分量的光强度分布然后通过光波导，执行光源单元和热辅助磁记录头部之间的对准; 并且在对准完成之后将光源单元接合到滑块。

    METHOD FOR PERFORMING BURN-IN TEST
    6.
    发明申请
    METHOD FOR PERFORMING BURN-IN TEST 有权
    执行烧结测试的方法

    公开(公告)号：US20120269047A1

    公开(公告)日：2012-10-25

    申请号：US13090902

    申请日：2011-04-20

    申请人： Koji Shimazawa ,  Ryo Hosoi ,  Yasuhiro Ito ,  Masaaki Kaneko ,  Takashi Honda ,  Ryuji Fujii ,  Koji Hosaka

    发明人： Koji Shimazawa ,  Ryo Hosoi ,  Yasuhiro Ito ,  Masaaki Kaneko ,  Takashi Honda ,  Ryuji Fujii ,  Koji Hosaka

    IPC分类号： G11B11/00

    CPC分类号： G11B5/455 ,  G01R31/2635 ,  G01R31/2642 ,  G11B2005/0021 ,  H01S5/0021 ,  H01S5/0042

    摘要： A method of the invention for performing burn-in test includes assembling, on a fixture stand, a plurality of light source elements and a plurality of light detectors for monitoring a light output from a corresponding one of the plurality of light source elements; and electrifying the plurality of light source elements in a state where at least the plurality of light source elements and the plurality of light detectors are immersed in an insulation liquid. Thereby, it is realized to hold a stable temperature in a short period of time, to maintain a temperature that does not deviate from normal load conditions, and to perform a sorting test between defect parts and good part for light source unit chips without causing damage to the elements.

    摘要翻译： 本发明的用于执行老化测试的方法包括在固定台上组装多个光源元件和多个光检测器，用于监测来自多个光源元件中的相应一个光源元件的光输出; 以及至少将所述多个光源元件和所述多个光检测器浸入绝缘液体的状态使所述多个光源元件通电。 由此，实现了在短时间内保持稳定的温度，保持不偏离正常负载条件的温度，并对光源单元芯片的缺陷部分和良好部分进行分类测试而不会造成损坏 到元素

    Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide
    7.
    发明授权
    Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide 有权
    具有嵌入在介质波导上的温度传感器的热辅助磁记录头

    公开(公告)号：US08547805B1

    公开(公告)日：2013-10-01

    申请号：US13432245

    申请日：2012-03-28

    申请人： Eiji Komura ,  Koji Shimazawa ,  Tsutomu Chou ,  Shinji Hara ,  Kosuke Tanaka ,  Ryo Hosoi

    发明人： Eiji Komura ,  Koji Shimazawa ,  Tsutomu Chou ,  Shinji Hara ,  Kosuke Tanaka ,  Ryo Hosoi

    IPC分类号： G11B11/00

    CPC分类号： G11B5/314 ,  G11B5/607 ,  G11B2005/0021

    摘要： A thermal assisted magnetic recording head includes a dielectric waveguide that is configured to propagate propagation light a metal waveguide that is provided facing the dielectric waveguide and that couples to the propagation light propagating through the dielectric waveguide in a surface plasmon mode, thereby generating and propagating surface plasmon, a near-field light generator that is exposed on an air bearing surface facing a magnetic recording medium either at an end part of the metal waveguide or at a position facing the end part of the metal waveguide, and that generates near-field light from the surface plasmon, a magnetic pole for magnetic recording that is exposed on the air bearing surface, and a temperature sensor that is arranged inside the dielectric waveguide.

    摘要翻译： 热辅助磁记录头包括电介质波导，其被配置为传播传播光，所述介质波导设置成面对介质波导并且以表面等离子体模式耦合到传播通过介质波导的传播光，从而产生和传播表面 等离子体激元，近场光发生器，其在面向金属波导的端部的面向磁记录介质的空气轴承表面上或面对金属波导的端部的位置处暴露，并且产生近场光 从表面等离子体激元，暴露在空气轴承表面上的用于磁记录的磁极，以及布置在电介质波导内部的温度传感器。

    Method for performing burn-in test
    8.
    发明授权
    Method for performing burn-in test 有权
    执行老化测试的方法

    公开(公告)号：US08384405B2

    公开(公告)日：2013-02-26

    申请号：US13090902

    申请日：2011-04-20

    申请人： Koji Shimazawa ,  Ryo Hosoi ,  Yasuhiro Ito ,  Masaaki Kaneko ,  Takashi Honda ,  Ryuji Fujii ,  Koji Hosaka

    发明人： Koji Shimazawa ,  Ryo Hosoi ,  Yasuhiro Ito ,  Masaaki Kaneko ,  Takashi Honda ,  Ryuji Fujii ,  Koji Hosaka

    IPC分类号： G01R31/308

    CPC分类号： G11B5/455 ,  G01R31/2635 ,  G01R31/2642 ,  G11B2005/0021 ,  H01S5/0021 ,  H01S5/0042

    摘要： A method of the invention for performing burn-in test includes assembling, on a fixture stand, a plurality of light source elements and a plurality of light detectors for monitoring a light output from a corresponding one of the plurality of light source elements; and electrifying the plurality of light source elements in a state where at least the plurality of light source elements and the plurality of light detectors are immersed in an insulation liquid. Thereby, it is realized to hold a stable temperature in a short period of time, to maintain a temperature that does not deviate from normal load conditions, and to perform a sorting test between defect parts and good part for light source unit chips without causing damage to the elements.

    摘要翻译： 本发明的用于执行老化测试的方法包括在固定台上组装多个光源元件和多个光检测器，用于监测来自多个光源元件中的相应一个光源元件的光输出; 以及至少将所述多个光源元件和所述多个光检测器浸入绝缘液体的状态使所述多个光源元件通电。 由此，实现了在短时间内保持稳定的温度，保持不偏离正常负载条件的温度，并对光源单元芯片的缺陷部分和良好部分进行分类测试而不会造成损坏 到元素

    Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording head
    9.
    发明授权
    Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording head 有权
    热辅助磁记录头，头部万向节组件，头臂组件和磁盘装置以及制造热辅助磁记录头的方法

    公开(公告)号：US08310903B1

    公开(公告)日：2012-11-13

    申请号：US13222795

    申请日：2011-08-31

    申请人： Seiichi Takayama ,  Shinji Hara ,  Koji Shimazawa ,  Yasuhiro Ito ,  Nobuyuki Mori ,  Ryo Hosoi

    发明人： Seiichi Takayama ,  Shinji Hara ,  Koji Shimazawa ,  Yasuhiro Ito ,  Nobuyuki Mori ,  Ryo Hosoi

    IPC分类号： G11B21/08

    CPC分类号： G11B5/6088 ,  G11B5/105 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/3163 ,  G11B2005/0021 ,  Y10T29/49021

    摘要： A method of manufacturing a thermally-assisted magnetic recording head includes: providing bar including, arranged in a first direction, a plurality of thermally-assisted magnetic recording head sections each including a waveguide, and a plurality of light source units each including a substrate with a light source mounted on a first surface of the substrate; bonding a second surface of the substrate to the bar with a bonding layer while allowing a light emitting position of the light source to be in opposition to the waveguide and allowing the first surface to be parallel to the first direction; and separating the bar for each of the thermally-assisted magnetic recording head sections. The substrate is bonded to the bar by radiating each laser beam from a dead angle direction where the first surface on which the light source units are provided is hidden from view.

    摘要翻译： 一种制造热辅助磁记录头的方法包括：提供杆，包括沿第一方向布置多个热辅助磁记录头部，每个热辅助磁记录头部分包括波导，以及多个光源单元，每个光源单元包括： 安装在所述基板的第一表面上的光源; 将所述基板的第二表面与所述棒接合，同时使所述光源的发光位置与所述波导相对，并允许所述第一表面平行于所述第一方向; 并且为每个热辅助磁记录头部分分隔条。 通过从设置有光源单元的第一表面隐藏视角的死角方向照射每个激光束将基板结合到条上。