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11. 发明申请

US20080158709A1 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive 有权
标题翻译：热辅助磁头，磁头万向节组件和硬盘驱动器
公开(公告)号：US20080158709A1
公开(公告)日：2008-07-03
申请号：US12003452
申请日：2007-12-26
申请人： Kosuke Tanaka , Koji Shimazawa , Eiji Komura
发明人： Kosuke Tanaka , Koji Shimazawa , Eiji Komura
IPC分类号： G11B5/02
CPC分类号： G11B5/02 , G11B5/314 , G11B2005/0002 , G11B2005/0021
摘要： A thermally assisted magnetic head comprises: a slider substrate, a first surface located opposite to a medium-facing surface, and side surfaces located between the medium-facing surface and the first surface; a magnetic head portion having a near-field light generator on the medium-facing surface side, and a magnetic recording element, the magnetic head portion being fixed to one of the side surfaces; and a laser diode element a relative position of which to the slider substrate is fixed so that emitted light thereof can reach the near-field light generator; a relation of λin
摘要翻译：一种热辅助磁头包括：滑块基板，与介质相对表面相对的第一表面和位于介质相对表面和第一表面之间的侧表面; 磁头部分，其在面向介质的表面侧上具有近场光产生器;以及磁记录元件，磁头部分固定在一个侧表面上; 并且激光二极管元件的相对位置固定到滑块基板上，使得其发射光可以到达近场光发生器; 满足lambdain

12. 发明授权

US08406091B2 Thermal assisted magnetic recording head having integral mounted of photo-detector and laser diode 有权
标题翻译：具有光电检测器和激光二极管整体安装的热辅助磁记录头
公开(公告)号：US08406091B2
公开(公告)日：2013-03-26
申请号：US12832593
申请日：2010-07-08
申请人： Koji Shimazawa , Kosuke Tanaka , Eiji Komura , Takashi Honda
发明人： Koji Shimazawa , Kosuke Tanaka , Eiji Komura , Takashi Honda
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/6088 , G11B2005/0021
摘要： Provided is a thermally-assisted magnetic recording head in which a slider including an optical system is joined with a light source unit. The light source unit comprises: a unit substrate including a joining surface joined with the slider and a source-installation surface adjacent to the joining surface; a light source provided in the source-installation surface and emits light for thermal assist; and a photodetector section formed inside the unit substrate, a light-receiving portion of the photodetector section for receiving light emitted from a rear light-emission center being located on the source-installation surface side. The light source unit includes the photodetector section that enables constant monitoring of light output from the light source. Accordingly, feedback adjustment of the light output can be accomplished. Further, since the rear light-emission center and the light-receiving portion can be located sufficiently close to each other, the light output can be monitored with a higher efficiency.
摘要翻译：提供了一种热辅助磁记录头，其中包括光学系统的滑块与光源单元接合。光源单元包括：单元基板，包括与滑块接合的接合表面和邻近接合表面的源安装表面; 设置在源安装表面中并发射用于热辅助的光的光源; 以及形成在所述单元基板内的光检测器部分，所述光电检测器部分的光接收部分用于接收从位于所述源安装表面侧的后发光中心发射的光。光源单元包括能够恒定地监视来自光源的光输出的光电检测器部分。因此，可以实现光输出的反馈调整。此外，由于后发光中心和受光部分可以彼此充分接近，所以能够以更高的效率监视光输出。

13. 发明授权

US08000178B2 Near-field light generating element utilizing surface plasmon 有权
标题翻译：利用表面等离子体激元的近场光产生元件
公开(公告)号：US08000178B2
公开(公告)日：2011-08-16
申请号：US12260639
申请日：2008-10-29
申请人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
发明人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , B82Y20/00 , G02B6/1226 , G11B5/4866 , G11B2005/001 , G11B2005/0021
摘要： Provided is a surface plasmon antenna that can be set so that the emitting position on the end surface of the plasmon antenna where near-field light is emitted is located sufficiently close to the end of a magnetic pole. The surface plasmon antenna comprises an edge having a portion for coupling with a light in a surface plasmon mode. The edge is provided for propagating surface plasmon excited by the light and extends from the portion to a near-field light generating end surface that emits near-field light. The edge for propagating surface plasmon is a very narrow propagation region. Therefore, the near-field light generating end surface, which appears as a polished surface processed through polishing in the manufacturing of the plasmon antenna, can be made a shape with a very small size, and further can be set so that surface plasmon propagates to reach the end surface reliably.
摘要翻译：提供了一种表面等离子体激元天线，其可以被设置为使得发射近场光的等离子体激元天线的端面上的发射位置足够靠近磁极的端部。表面等离子体激元天线包括具有用于与表面等离子体激元模式的光耦合的部分的边缘。该边缘用于传播由光激发的表面等离子体激元，并从该部分延伸到发射近场光的近场光产生端面。传播表面等离子体激元的边缘是非常窄的传播区域。因此，通过在等离子体激元天线的制造中通过研磨处理的抛光面的近场光产生端面可以形成为非常小的形状，并且还可以将表面等离子体激元传播到可靠地到达端面。

14. 发明授权

US07876646B2 Thermally assisted magnetic head, head gimbal assembly, and hard disk drive 有权
标题翻译：热辅助磁头，磁头万向节组件和硬盘驱动器
公开(公告)号：US07876646B2
公开(公告)日：2011-01-25
申请号：US12003452
申请日：2007-12-26
申请人： Kosuke Tanaka , Koji Shimazawa , Eiji Komura
发明人： Kosuke Tanaka , Koji Shimazawa , Eiji Komura
IPC分类号： G11B11/00
CPC分类号： G11B5/02 , G11B5/314 , G11B2005/0002 , G11B2005/0021
摘要： A thermally assisted magnetic head comprises: a slider substrate, a first surface located opposite to a medium-facing surface, and side surfaces located between the medium-facing surface and the first surface; a magnetic head portion having a near-field light generator on the medium-facing surface side, and a magnetic recording element, the magnetic head portion being fixed to one of the side surfaces; and a laser diode element a relative position of which to the slider substrate is fixed so that emitted light thereof can reach the near-field light generator; a relation of λin
摘要翻译：一种热辅助磁头包括：滑块基板，与介质相对表面相对的第一表面和位于介质相对表面和第一表面之间的侧表面; 磁头部分，其在面向介质的表面侧上具有近场光产生器;以及磁记录元件，磁头部分固定在一个侧表面上; 并且激光二极管元件的相对位置固定到滑块基板上，使得其发射光可以到达近场光发生器; 满足λin<λmax的关系，其中λin是在发射光到达近场光发生器之前来自激光二极管元件的发射光的波长，λmax是产生效率的照射光的波长由近场光发生器产生的近场光最大。

15. 发明授权

US07855937B2 Near-field light generating element and heat-assisted magnetic recording head utilizing surface plasmon mode 有权
标题翻译：近场光产生元件和利用表面等离激元模式的热辅助磁记录头
公开(公告)号：US07855937B2
公开(公告)日：2010-12-21
申请号：US12205484
申请日：2008-09-05
申请人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
发明人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/4866 , G11B11/10536 , G11B11/1058 , G11B2005/0005 , G11B2005/0021
摘要： Provided is a near-field light generating element capable of avoiding excessive temperature rise, which comprises a waveguide and a near-field light generating layer. The layer comprises: a propagation surface on which surface plasmon excited by the light propagates; and a near-field light generating end at which near-field light is generated. The end is one end of the propagation surface. And a portion of the side surface of the waveguide is opposed to a portion of the propagation surface of the near-field light generating layer with a predetermined spacing so that the light propagating through the waveguide is coupled with the near-field light generating layer in a surface plasmon mode. The near-field light generating layer is preferably tapered toward the near-field light generating end.
摘要翻译：本发明提供能够避免温度过高的近场光发生元件，其包括波导管和近场光产生层。该层包括：由光激发的表面等离子体激发的传播表面; 以及产生近场光的近场光产生端。最后是传播表面的一端。并且波导的侧面的一部分与近场光产生层的传播表面的一部分以预定的间隔相对，使得通过波导传播的光与近场光产生层耦合表面等离子体激元模式。近场光产生层优选地朝向近场光产生端逐渐变细。

16. 发明申请

US20100079895A1 PLASMON ANTENNA AND HEAT-ASSISTED MAGNETIC RECORDING HEAD 有权
标题翻译： PLASMON天线和热辅助磁记录头
公开(公告)号：US20100079895A1
公开(公告)日：2010-04-01
申请号：US12239141
申请日：2008-09-26
申请人： Seiichi Takayama , Eiji Komura , Kosuke Tanaka , Daisuke Miyauchi , Koji Shimazawa
发明人： Seiichi Takayama , Eiji Komura , Kosuke Tanaka , Daisuke Miyauchi , Koji Shimazawa
IPC分类号： G11B5/02 , G21G4/00 , G11B5/48
CPC分类号： G11B5/314 , G11B5/3116 , G11B7/122 , G11B7/1387 , G11B11/10536 , G11B2005/0005 , G11B2005/0021
摘要： Provided is a plasmon antenna in which a near-field light having a sufficient intensity is generated only in a desired location. The plasmon antenna comprises an end surface on a side where a near-field light is generated; the end surface is flat and has a shape with at least three vertexes or rounded corners; and an end surface of the plasmon antenna which is opposite to the flat end surface and receives light, is inclined with respect to the flat end surface so as to become closer to the flat end surface toward one of the at least three vertexes or rounded corners. When the light-receiving end surface of the plasmon antenna is irradiated with the light, a near-field light having a sufficient intensity can be generated at only the vertex or rounded corner toward which the entire plasmon antenna becomes thinner.
摘要翻译：提供了一种等离子体激元天线，其中仅在期望的位置产生具有足够强度的近场光。等离子体激元天线包括在产生近场光的一侧上的端面; 端面平坦，具有至少三个顶点或圆角的形状; 以及等离子体激元天线的与平坦端面相对并且接收光的端面相对于平坦端面倾斜，以朝着至少三个顶点或圆角中的一个变得更靠近平坦端面。当等离子体激元的光接收端面用光照射时，只能在整个等离子体天线变薄的顶点或圆角处产生具有足够强度的近场光。

17. 发明授权

US08243388B2 Heat-assisted magnetic head constituted of slider and light source unit, and manufacturing method of the head 有权
标题翻译：由滑块和光源单元构成的热辅助磁头，以及头部的制造方法
公开(公告)号：US08243388B2
公开(公告)日：2012-08-14
申请号：US12107216
申请日：2008-04-22
申请人： Koji Shimazawa , Yasuhiro Ito , Eiji Komura , Seiichi Takayama , Kosuke Tanaka
发明人： Koji Shimazawa , Yasuhiro Ito , Eiji Komura , Seiichi Takayama , Kosuke Tanaka
IPC分类号： G11B5/127 , G11B11/00
CPC分类号： G11B5/314 , G11B5/102 , G11B2005/0005 , G11B2005/0021
摘要： Provided is a heat-assisted magnetic recording head constituted of a light source unit and a slider, which can be easily joined to each other with sufficiently high accuracy of joining position. The slider comprises a head part including a waveguide having an incident center on its end. The surface including an emission center of the light source is protruded from a joining surface of the unit substrate. And a step is provided on an end surface of the head part. The protruded portion of a lower surface of the light source has a surface contact with a wall surface of the step. Further, the distance between the wall surface of the step and the incident center of the waveguide is set to be equal to the distance between the emission center of the light source and the protruded portion of the lower surface of the light source.
摘要翻译：提供一种由光源单元和滑块构成的热辅助磁记录头，其可以以足够高的接合位置精度彼此容易地接合。滑块包括头部，其包括在其端部具有入射中心的波导。包括光源的发射中心的表面从单元基板的接合表面突出。并且在头部的端面上设置有台阶。光源的下表面的突出部分与台阶的壁面具有表面接触。此外，台阶壁面与波导入射中心之间的距离被设定为等于光源的发射中心与光源的下表面的突出部分之间的距离。

18. 发明授权

US08116034B2 Thermally assisted magnetic head having main pole arranged between near-field light-generating portions and manufacturing method of same 有权
标题翻译：具有设置在近场发光部之间的主极的热辅助磁头及其制造方法
公开(公告)号：US08116034B2
公开(公告)日：2012-02-14
申请号：US12204452
申请日：2008-09-04
申请人： Eiji Komura , Koji Shimazawa , Kosuke Tanaka , Seiichi Takayama , Hitoshi Hatate
发明人： Eiji Komura , Koji Shimazawa , Kosuke Tanaka , Seiichi Takayama , Hitoshi Hatate
IPC分类号： G11B5/02 , G11B5/127
CPC分类号： G11B5/314 , G11B2005/0021
摘要： When first and second near-field light-generating portions are irradiated with laser light or other energy rays, near-field light is generated at the tips of both the near-field light-generating portions. By means of the near-field light thus generated, a magnetic recording medium opposing the medium-opposing surface is heated, and the coercivity of the magnetic recording medium is lowered. Since at least a portion of the main magnetic pole is positioned within the spot region including the region between the first and second near-field light-generating portions, the tips of both the near-field light-generating portions and the main magnetic pole can be brought extremely close together, and high-density recording can be performed.
摘要翻译：当用激光或其他能量射线照射第一和第二近场光产生部分时，在近场光产生部分的尖端处产生近场光。通过这样产生的近场光，加热与介质相对表面相对的磁记录介质，并降低磁记录介质的矫顽力。由于主磁极的至少一部分位于包括第一和第二近场发光部之间的区域的光点区域内，因此近场发光部和主磁极两者的尖端被非常靠近在一起，并且可以执行高密度记录。

19. 发明申请

US20100103553A1 SURFACE PLASMON ANTENNA WITH PROPAGATION EDGE AND NEAR-FIELD LIGHT GENERATING ELEMENT 有权
标题翻译：具有传播边缘和近场光生成元件的表面等离子体天线
公开(公告)号：US20100103553A1
公开(公告)日：2010-04-29
申请号：US12260639
申请日：2008-10-29
申请人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
发明人： Koji Shimazawa , Eiji Komura , Yasuhiro Ito , Seiichi Takayama , Satoshi Tomikawa , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B5/02 , G21G4/00
CPC分类号： G11B5/314 , B82Y20/00 , G02B6/1226 , G11B5/4866 , G11B2005/001 , G11B2005/0021
摘要： Provided is a surface plasmon antenna that can be set so that the emitting position on the end surface of the plasmon antenna where near-field light is emitted is located sufficiently close to the end of a magnetic pole. The surface plasmon antenna comprises an edge having a portion for coupling with a light in a surface plasmon mode. The edge is provided for propagating surface plasmon excited by the light and extends from the portion to a near-field light generating end surface that emits near-field light. The edge for propagating surface plasmon is a very narrow propagation region. Therefore, the near-field light generating end surface, which appears as a polished surface processed through polishing in the manufacturing of the plasmon antenna, can be made a shape with a very small size, and further can be set so that surface plasmon propagates to reach the end surface reliably.
摘要翻译：提供了一种表面等离子体激元天线，其可以被设置为使得发射近场光的等离子体激元天线的端面上的发射位置足够靠近磁极的端部。表面等离子体激元天线包括具有用于与表面等离子体激元模式的光耦合的部分的边缘。该边缘用于传播由光激发的表面等离子体激元，并从该部分延伸到发射近场光的近场光产生端面。传播表面等离子体激元的边缘是非常窄的传播区域。因此，通过在等离子体激元天线的制造中通过研磨处理的抛光面的近场光产生端面可以形成为非常小的形状，并且还可以将表面等离子体激元传播到可靠地到达端面。

20. 发明申请

US20090168220A1 THERMALLY ASSISTED MAGNETIC HEAD AND MANUFACTURING METHOD OF SAME 有权
标题翻译：热辅助磁头及其制造方法
公开(公告)号：US20090168220A1
公开(公告)日：2009-07-02
申请号：US12204452
申请日：2008-09-04
申请人： Eiji Komura , Koji Shimazawa , Kosuke Tanaka , Seiichi Takayama , Hitoshi Hatate
发明人： Eiji Komura , Koji Shimazawa , Kosuke Tanaka , Seiichi Takayama , Hitoshi Hatate
IPC分类号： G11B5/02 , B44C1/22
CPC分类号： G11B5/314 , G11B2005/0021
摘要： When first and second near-field light-generating portions are irradiated with laser light or other energy rays, near-field light is generated at the tips of both the near-field light-generating portions. By means of the near-field light thus generated, a magnetic recording medium opposing the medium-opposing surface is heated, and the coercivity of the magnetic recording medium is lowered. Since at least a portion of the main magnetic pole is positioned within the spot region including the region between the first and second near-field light-generating portions, the tips of both the near-field light-generating portions and the main magnetic pole can be brought extremely close together, and high-density recording can be performed.
摘要翻译：当用激光或其他能量射线照射第一和第二近场光产生部分时，在近场光产生部分的尖端处产生近场光。通过这样产生的近场光，加热与介质相对表面相对的磁记录介质，并降低磁记录介质的矫顽力。由于主磁极的至少一部分位于包括第一和第二近场发光部之间的区域的光点区域内，因此近场发光部和主磁极两者的尖端被非常靠近在一起，并且可以执行高密度记录。

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