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1. 发明申请

US20110228650A1 METHOD FOR MANUFACTURING THERMALLY-ASSISTED MAGNETIC RECORDING HEAD COMPRISING LIGHT SOURCE UNIT AND SLIDER 有权
标题翻译：用于制造包含光源单元和滑块的热辅助磁记录头的方法
公开(公告)号：US20110228650A1
公开(公告)日：2011-09-22
申请号：US12899101
申请日：2010-10-06
申请人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
发明人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
IPC分类号： G11B11/00 , B23K1/005
CPC分类号： G11B5/314 , G11B5/6088 , G11B2005/001 , G11B2005/0021
摘要： A method for manufacturing a thermally-assisted magnetic recording head is provided, in which a light source unit including a light source and a slider including an optical system are bonded. A unit substrate is made of a material transmitting light having a predetermined wavelength, and a unit adhesion material layer that contains Sn, Sn alloy, Pb alloy or Bi alloy is formed on the light source unit and/or the slider. The manufacturing method includes: aligning the light source unit and the slider in such a way that a light from the light source can enter the optical system and the unit adhesion material layer is sandwiched therebetween; and causing a light including the predetermined wavelength to enter the unit substrate to melt the unit adhesion material layer. The unit adhesion material layer melted by the light including the predetermined wavelength can ensure high alignment accuracy as well as higher bonding strength and less change with time.
摘要翻译：提供了一种用于制造热辅助磁记录头的方法，其中包括光源和包括光学系统的滑块的光源单元被结合。单位基板由透射具有预定波长的光的材料制成，并且在光源单元和/或滑块上形成包含Sn，Sn合金，Pb合金或Bi合金的单位粘附材料层。该制造方法包括：使光源单元和滑块对准，使得来自光源的光能够进入光学系统，并且单元粘合材料层夹在其间; 并使包含所述预定波长的光进入所述单元基板以熔化所述单元粘合材料层。由包含预定波长的光熔化的单元粘合材料层可以确保高对准精度以及更高的粘合强度和较小的随时间的变化。

2. 发明申请

US20100073817A1 PLASMON ANTENNA FOR THERMALLY ASSISTED MAGNETIC HEAD 有权
标题翻译：用于热辅助磁头的PLASMON天线
公开(公告)号：US20100073817A1
公开(公告)日：2010-03-25
申请号：US12237767
申请日：2008-09-25
申请人： Seiichi TAKAYAMA , Eiji KOMURA , Yasuhiro ITO , Kosuke TANAKA , Koji SHIMAZAWA
发明人： Seiichi TAKAYAMA , Eiji KOMURA , Yasuhiro ITO , Kosuke TANAKA , Koji SHIMAZAWA
IPC分类号： G11B5/00
CPC分类号： G11B5/314 , G11B5/4866 , G11B2005/001 , G11B2005/0021
摘要： A plasmon antenna of the present invention is used in a thermally assisted magnetic head that includes: a medium-facing surface set, parallel to an XY plane; a magnetic pole for writing, extending toward the medium-facing surface, and a plasmon antenna comprising a pair of small metal bodies irradiated with excitation light for near-field light generation propagating in a Z-axis direction. Respective corners of the small metal bodies are spaced apart opposite each other along a TE mode direction of the excitation light. A distance between the corners gives the shortest distance between the small metal bodies, and a distance from each corner to the leading end of the magnetic pole gives a shortest distance from the small metal bodies to the leading end.
摘要翻译：本发明的等离子体天线用于热辅助磁头，其包括：平行于XY平面的面向中间的表面组; 用于写入的磁极，朝向介质中的表面延伸;以及等离子体激元，其包括用激励光照射的一对小的金属体，用于沿Z轴方向传播的近场光产生。小金属体的各个角部沿着激发光的TE模式方向相互间隔开。拐角之间的距离给出了小金属体之间的最短距离，从磁极的每个拐角到前端的距离从小金属体到前端都具有最短的距离。

3. 发明申请

US20090052078A1 THERMALLY ASSISTED MAGNETIC HEAD, HEAD GIMBAL ASSEMBLY, AND HARD DISK DRIVE 有权
标题翻译：热辅助磁头，头盖组件和硬盘驱动
公开(公告)号：US20090052078A1
公开(公告)日：2009-02-26
申请号：US12190381
申请日：2008-08-12
申请人： Kosuke TANAKA , Koji SHIMAZAWA , Yasuhiro ITO
发明人： Kosuke TANAKA , Koji SHIMAZAWA , Yasuhiro ITO
IPC分类号： G11B5/02 , G11B5/48
CPC分类号： G11B5/314 , G11B5/02 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
摘要： A slider has a slider substrate, an electromagnetic transducer, a waveguide for receiving light from a surface on the side opposite from a medium-opposing surface and guiding the light to the medium-opposing surface side, and a device electrode electrically connected to the electromagnetic transducer. A light source unit includes a light source supporting substrate, a light source, and a lead extending from the slider side to the side opposite from the slider and having both end parts exposed at a surface of the light source unit. The device electrode of the slider is exposed at the surface of the slider on the side opposite from the medium-opposing surface without being covered with the light source unit. An end part on the slider side of the lead of the light source unit is soldered to the device electrode of the slider.
摘要翻译：滑块具有滑块基板，电磁换能器，用于从与介质相对表面相对的一侧上的表面接收光并将光引导到介质相对表面侧的波导，以及电连接到电磁传感器。光源单元包括光源支撑基板，光源和从滑块侧延伸到与滑块相对的一侧的引线，并且两端部露出在光源单元的表面。滑块的器件电极在与中间相对表面相对的一侧的滑块的表面处被暴露，而不被光源单元覆盖。将光源单元的引线的滑块侧的端部焊接到滑块的器件电极。

4. 发明申请

US20090266789A1 MANUFACTURING METHOD OF HEAT-ASSISTED MAGNETIC HEAD CONSTITUTED OF SLIDER AND LIGHT SOURCE UNIT 有权
标题翻译：滑动灯和光源单元组成的热辅助磁头的制造方法
公开(公告)号：US20090266789A1
公开(公告)日：2009-10-29
申请号：US12108234
申请日：2008-04-23
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： B44C1/22 , B32B38/04
CPC分类号： G11B5/314 , G11B5/102 , G11B5/3163 , G11B2005/0005 , G11B2005/0021 , Y10T29/49025 , Y10T29/49041 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49052 , Y10T156/1062
摘要： Provided is a manufacturing method of heat-assisted magnetic recording head, in which a light source unit can be easily joined to a slider with sufficiently high accuracy, under avoiding the excessive mechanical stress. The manufacturing method comprises the steps of: moving relatively the light source unit and the slider, while applying a sufficient voltage between an upper electrode of the light source and an electrode layer provided in the slider; and setting the light source unit and the slider in desired positions in a direction perpendicular to the element-integration surface of the slider substrate. The desired positions are positions where the light source just emits due to a surface contact between: the protruded portion of the lower surface of the light source; and the upper surface of the electrode layer, which is a portion of the wall surface of a step formed on the head part.
摘要翻译：提供一种热辅助磁记录头的制造方法，其中光源单元可以以足够高的精度容易地接合到滑块，以避免过度的机械应力。该制造方法包括以下步骤：在光源的上电极和设置在滑块中的电极层之间施加足够的电压，相对移动光源单元和滑块; 以及将光源单元和滑块设置在与滑动器基板的元件集成表面垂直的方向上的期望位置。期望的位置是由于光源的下表面的突出部分之间的表面接触而光源刚刚发射的位置; 以及作为形成在头部上的台阶的壁面的一部分的电极层的上表面。

5. 发明申请

US20090262448A1 HEAT-ASSISTED MAGNETIC HEAD CONSTITUTED OF SLIDER AND LIGHT SOURCE UNIT, AND MANUFACTURING METHOD OF THE HEAD 有权
标题翻译：滑动灯和光源单元组成的热辅助磁头及头部的制造方法
公开(公告)号：US20090262448A1
公开(公告)日：2009-10-22
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： G11B5/02
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。

6. 发明申请

US20090052077A1 THERMALLY ASSISTED MAGNETIC HEAD WITH OPTICAL WAVEGUIDE AND LIGHT SHIELD 有权
标题翻译：热辅助磁头与光波导和光屏蔽
公开(公告)号：US20090052077A1
公开(公告)日：2009-02-26
申请号：US12182738
申请日：2008-07-30
申请人： Kosuke TANAKA , Yasuhiro ITO , Koji SHIMAZAWA
发明人： Kosuke TANAKA , Yasuhiro ITO , Koji SHIMAZAWA
IPC分类号： G11B5/02
CPC分类号： G11B5/02 , G11B5/314 , G11B2005/0005 , G11B2005/0021
摘要： A thermally assisted magnetic head which can realize high-density writing onto magnetic recording media is provided.The thermally assisted magnetic head includes a magnetic head part having a medium-opposing surface and a back face opposing the medium-opposing surface. The magnetic head part has a recording head part, an optical waveguide, and light shields. The optical waveguide extends along the opposing direction of the medium-opposing surface and back face. Each of the light shields extends along the opposing direction of the medium-opposing surface and back face and inhibits laser light from passing between the medium-opposing surface and back face. The optical waveguide and light shields are arranged on a first line when seen from the back face. When seen from the back face, the light shields oppose each other while interposing the first line therebetween and are arranged on a second line substantially orthogonal to the first line.
摘要翻译：提供了一种可以实现对磁记录介质的高密度写入的热辅助磁头。热辅助磁头包括具有介质相对表面和与介质相对表面相对的背面的磁头部分。磁头部分具有记录头部分，光波导和光屏蔽。光波导沿着介质相对表面和背面的相反方向延伸。每个遮光罩沿着介质相对表面和背面的相反方向延伸，并且禁止激光在介质相对表面和背面之间通过。当从背面观察时，光波导和光屏被布置在第一线上。当从背面观察时，遮光板彼此相对，同时插入第一线，并且布置在基本上与第一线正交的第二线上。

7. 发明申请

US20110228653A1 LIGHT SOURCE UNIT FOR THERMALLY-ASSISTED MAGNETIC RECORDING CAPABLE OF MONITORING OF LIGHT OUTPUT 有权
标题翻译：用于监视光输出的用于热辅助磁记录的光源单元
公开(公告)号：US20110228653A1
公开(公告)日：2011-09-22
申请号：US12728510
申请日：2010-03-22
申请人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
发明人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
IPC分类号： G11B11/00 , G01J1/32 , B32B38/00
CPC分类号： G11B5/314 , G11B5/105 , G11B5/6088 , G11B2005/0021 , Y10T156/1052
摘要： Provided is a light source unit that is to be joined to a slider to form a thermally-assisted magnetic recording head. The light source unit comprises: a unit substrate having a source-installation surface; a light source provided in the source-installation surface and emitting thermal-assist light; and a photodetector bonded to a rear joining surface of the unit substrate in such a manner that a rear light-emission center of the light source is covered with a light-receiving surface of the photodetector. The photodetector can be sufficiently close to the light source; thus, constant feedback adjustment with high efficiency for the light output of the light source can be performed. This adjustment enables light output from the light source to be controlled in response to changes in light output due to surroundings and to changes with time to stabilize the intensity of light with which a magnetic recording medium is irradiated.
摘要翻译：提供一种光源单元，其被连接到滑块以形成热辅助磁记录头。光源单元包括：具有源安装表面的单元基板; 光源，设置在源安装表面中并发射热辅助光; 以及光电检测器，其以使得光源的后发光中心被光电检测器的光接收表面覆盖的方式结合到单元基板的后接合表面。光电检测器可以足够靠近光源; 因此，可以执行用于光源的光输出的高效率的恒定反馈调整。该调整使得能够响应于由于周围环境导致的光输出的变化而控制来自光源的光输出，并且随着时间的变化来稳定照射磁记录介质的光的强度。

8. 发明申请

US20110228649A1 METHOD FOR MANUFACTURING THERMALLY-ASSISTED MAGNETIC RECORDING HEAD COMPRISING LIGHT SOURCE UNIT AND SLIDER 有权
标题翻译：用于制造包含光源单元和滑块的热辅助磁记录头的方法
公开(公告)号：US20110228649A1
公开(公告)日：2011-09-22
申请号：US12726981
申请日：2010-03-18
申请人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
发明人： Koji SHIMAZAWA , Yoshihiro TSUCHIYA , Seiichi TAKAYAMA , Nobuyuki MORI , Yasuhiro ITO , Kosuke TANAKA , Osamu SHINDO , Ryuji FUJII , Takashi HONDA , Yoshitaka SASAKI
IPC分类号： G11B11/00 , B23K31/02
CPC分类号： G11B5/314 , G11B5/105 , G11B5/6088 , G11B2005/001 , G11B2005/0021
摘要： A method for manufacturing a thermally-assisted magnetic recording head is provided, in which a light source unit including a light source and a slider including an optical system are bonded. A unit substrate is made of a material transmitting light having a predetermined wavelength, and an adhesion material layer is formed on the light source unit and/or the slider. The manufacturing method includes: aligning the light source unit and the slider in such a way that a light from the light source can enter the optical system and the adhesion material layer is sandwiched therebetween; irradiating the adhesion material layer with a light including the predetermined wavelength through the unit substrate; and bonding them. The adhesion material layer melted by the light including the predetermined wavelength and transmitted through the unit substrate can ensure high alignment accuracy as well as higher bonding strength and less change with time.
摘要翻译：提供了一种用于制造热辅助磁记录头的方法，其中包括光源和包括光学系统的滑块的光源单元被结合。单位基板由透射具有预定波长的光的材料制成，并且在光源单元和/或滑块上形成粘合材料层。该制造方法包括：将光源单元和滑块对准，使得来自光源的光能够进入光学系统，并且粘合材料层夹在其间; 用包含所述预定波长的光通过所述单元基板照射所述粘附材料层; 并粘合它们。由包含预定波长并透过单元基板的光熔化的粘合材料层可以确保高对准精度以及更高的粘接强度和随时间变化的变化。

9. 发明申请

US20100061200A1 NEAR-FIELD LIGHT GENERATING ELEMENT AND HEAT-ASSISTED MAGNETIC RECORDING HEAD UTILIZING SURFACE PLASMON MODE 有权
标题翻译：近场光产生元件和热辅助磁记录头使用表面等离子体模式
公开(公告)号：US20100061200A1
公开(公告)日：2010-03-11
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。

10. 发明申请

US20110164479A1 THERMALLY-ASSISTED MAGNETIC RECORDING HEAD COMPRISING WAVEGUIDE WITH INVERTED-TRAPEZOIDAL SHAPE 有权
标题翻译：带有倒角形状的包含波导的热辅助磁记录头
公开(公告)号：US20110164479A1
公开(公告)日：2011-07-07
申请号：US12683041
申请日：2010-01-06
申请人： Eiji KOMURA , Tsutomu CHOU , Koji SHIMAZAWA , Kosuke TANAKA
发明人： Eiji KOMURA , Tsutomu CHOU , Koji SHIMAZAWA , Kosuke TANAKA
IPC分类号： G11B11/00
CPC分类号： G11B5/3116 , G11B5/314 , G11B5/6088 , G11B2005/0005 , G11B2005/0021
摘要： Provided is a thermally-assisted magnetic recording head comprising a near-field-light-generating (NFL-generating) optical system with an improved light use efficiency. The head comprises a magnetic pole, a waveguide propagating a light for exciting surface plasmon, and a NF-optical device configured to emit NF-light from its end surface located adjacent to the magnetic pole end surface. The waveguide cross-section, taken by a plane perpendicular to a waveguide edge along elongated direction, has substantially a trapezoidal shape in which a longer side of opposed parallel sides is an edge of the cross-section on the NF-optical device side. This configuration enables a coupled portion of the NF-optical device which is coupled with the light to be placed in the effective distribution range of the light seeping from the waveguide. Consequently, there can be realized a sufficiently strong coupling between the light seeping from the waveguide and the NF-optical device.
摘要翻译：提供了一种热辅助磁记录头，其包括具有改善的光利用效率的近场光产生（NFL生成）光学系统。头包括磁极，传播用于激发表面等离子体激元的光的波导和被配置为从其邻近磁极端表面的端表面发射NF光的NF光学装置。波导横截面由沿着细长方向垂直于波导边缘的平面截取，具有基本上梯形的形状，其中相对的平行边的较长边是NF光学器件侧的横截面的边缘。该配置使得能够将与光耦合的NF光学器件的耦合部分放置在从波导管渗出的光的有效分布范围内。因此，可以实现从波导管和NF光学器件渗出的光之间的足够强的耦合。

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