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1. 发明授权

US06738551B2 Two-dimensional photonic crystal, and multiplexer/demultiplexer using the same 有权
标题翻译：二维光子晶体，以及使用其的多路复用器/解复用器
公开(公告)号：US06738551B2
公开(公告)日：2004-05-18
申请号：US09814728
申请日：2001-03-23
申请人： Susumu Noda , Alongkarn Chutinan , Daisuke Miyauchi , Yoshikazu Narumiya
发明人： Susumu Noda , Alongkarn Chutinan , Daisuke Miyauchi , Yoshikazu Narumiya
IPC分类号： G02B610
CPC分类号： G02B6/1225 , B82Y20/00 , G02B6/12007
摘要： In a 2D photonic crystal waveguide comprising a 2D photonic crystal structure based on a slab (11) formed of a material having a higher refractive index than air, in which a material (16) having a lower refractive index than the slab material is periodically arrayed to provide a refractive index distribution, a photonic crystal waveguide is created by forming a line defect (12), which functions as a waveguide, in the periodic array of photonic crystal, and at least one point defect (14) is disposed adjacent the photonic crystal waveguide to act as a disorder in the periodic array of photonic crystal. The point defect functions as a light or electromagnetic radiation outlet/inlet port for trapping light or electromagnetic radiation of a selected wavelength among light or electromagnetic radiation propagating through the waveguide and radiating it, or trapping light or electromagnetic radiation of a selected wavelength from the exterior and introducing it into the waveguide.
摘要翻译：在包括由具有比空气更高的折射率的材料形成的板坯（11）的2D光子晶体结构的2D光子晶体波导中，其中具有比板坯材料低的折射率的材料（16）周期性排列为了提供折射率分布，通过在光子晶体的周期性阵列中形成用作波导的线缺陷（12）而产生光子晶体波导，并且至少一个点缺陷（14）被布置为邻近光子晶体波导在光子晶体的周期性阵列中作为无序。点缺陷用作用于在通过波导传播的光或电磁辐射中捕获所选波长的光或电磁辐射的光或电磁辐射出口/入口，并将其辐射，或从外部捕获选定波长的光或电磁辐射并将其引入波导。

2. 发明授权

US08437106B2 Thin film magnetic head including spin-valve film with free layer magnetically connected with shield 有权
标题翻译：薄膜磁头包括具有与屏蔽层磁性连接的自由层的自旋阀膜
公开(公告)号：US08437106B2
公开(公告)日：2013-05-07
申请号：US12900845
申请日：2010-10-08
申请人： Takumi Yanagisawa , Yasushi Nishioka , Takahiko Machita , Satoshi Miura , Takayasu Kanaya , Kenzo Makino , Yoshikazu Sawada , Takekazu Yamane , Naomichi Degawa , Kosuke Tanaka , Soji Koide , Daisuke Miyauchi
发明人： Takumi Yanagisawa , Yasushi Nishioka , Takahiko Machita , Satoshi Miura , Takayasu Kanaya , Kenzo Makino , Yoshikazu Sawada , Takekazu Yamane , Naomichi Degawa , Kosuke Tanaka , Soji Koide , Daisuke Miyauchi
IPC分类号： G11B5/39
CPC分类号： G11B5/3912 , B82Y25/00 , G01R33/093 , H01F10/325 , H01F10/3254 , H01L43/08
摘要： A thin film magnetic head includes; an MR film that includes a pinned layer of which a magnetization direction is pinned, a free layer of which a magnetization direction varies, and a spacer that is disposed therebetween; a pair of shields that are disposed on both sides sandwiching the MR film in a direction orthogonal to a film surface of the MR film; and an anisotropy providing layer that provides anisotropy to a first shield so that the first shield is magnetized in a desired direction, and that is disposed on an opposite side from the MR film with respect to the first shield. The MR film includes a magnetic coupling layer that is disposed between the first shield and the free layer and that magnetically couples the first shield with the free layer.
摘要翻译：薄膜磁头包括：包括磁化方向被钉扎的钉扎层，磁化方向变化的自由层和设置在其间的间隔件的MR膜; 一对屏蔽，其设置在与MR膜的膜表面正交的方向上夹着MR膜的两侧; 以及各向异性提供层，其向第一屏蔽提供各向异性，使得第一屏蔽沿期望的方向被磁化，并且被设置在与MR膜相对于第一屏蔽的相对侧上。 MR膜包括设置在第一屏蔽和自由层之间并且将第一屏蔽与自由层磁耦合的磁耦合层。

3. 发明授权

US08385160B2 Magnetic recording element used for thermally-assisted magnetic recording 有权
标题翻译：用于热辅助磁记录的磁记录元件
公开(公告)号：US08385160B2
公开(公告)日：2013-02-26
申请号：US12837725
申请日：2010-07-16
申请人： Shinji Hara , Tsutomu Chou , Tetsuya Roppongi , Daisuke Miyauchi , Kosuke Tanaka
发明人： Shinji Hara , Tsutomu Chou , Tetsuya Roppongi , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , B82Y25/00 , G01R33/093 , G02B2006/121 , G11B5/6088 , G11B2005/0021
摘要： A magnetic recording element that faces a recording medium and that executes a magnetic recording while the recording medium is heated, the element including a waveguide that is configured with a core and a cladding, the core, through which laser light propagates, including an enlarged part, which is enlarged at an air bearing surface facing the recording medium; and the cladding surrounding a periphery of the core.
摘要翻译：一种磁记录元件，其面向记录介质并且在记录介质被加热的同时执行磁记录，所述元件包括配置有芯和包层的波导，激光通过该芯体传播，其包括放大部分，其在面向记录介质的空气轴承表面处被扩大; 并且包围围绕芯的周边的包层。

4. 发明申请

US20120188859A1 THERMALLY-ASSISTED MAGNETIC HEAD 有权
标题翻译：热辅助磁头
公开(公告)号：US20120188859A1
公开(公告)日：2012-07-26
申请号：US13013025
申请日：2011-01-25
申请人： Shinji HARA , Tsutomu Chou , Koji Shimazawa , Daisuke Miyauchi , Kosuke Tanaka
发明人： Shinji HARA , Tsutomu Chou , Koji Shimazawa , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B13/04 , G11B13/08
CPC分类号： G11B5/314 , G11B5/6088 , G11B2005/0021
摘要： A thermally-assisted magnetic head that includes an air bearing surface facing a recording medium and that performs magnetic recording while heating the recording medium includes: a magnetic recording element including a pole of which one edge part is positioned on the air bearing surface and that generates magnetic flux traveling toward the magnetic recording medium; a waveguide configured with a core through which light propagates and a cladding, at least one part of which extends to the air bearing surface, surrounding the periphery of the core; a plasmon generator that faces a part of the core and that extends to the air bearing surface. The plasmon generator is configured with a first part and a second part that are joined; the first part that is positioned on the air bearing surface side and that is made of a high melting point material, and the second part that is positioned away from the air bearing surface and that is made of a material with a small value ∈″, which is an imaginary component of permittivity.
摘要翻译：一种热辅助磁头，其包括面向记录介质的空气轴承表面并且在加热记录介质的同时进行磁记录的磁辅助磁头包括：磁记录元件，其包括：一个边缘部分位于空气轴承表面上并产生向磁记录介质传播的磁通量; 配置有光传播的芯的波导和包围，其至少一部分延伸到空气支承表面，围绕芯的周边; 等离子体发生器，其面向芯部的一部分并且延伸到空气轴承表面。等离子体发生器配置有连接的第一部分和第二部分; 位于空气轴承面侧并由高熔点材料制成的第一部分和远离空气轴承表面并由具有小值∈“的材料制成的第二部分，这是介电常数的虚部。

5. 发明授权

US08225489B2 Method of manufacturing magnetoresistive element having a pair of free layers 有权
标题翻译：制造具有一对自由层的磁阻元件的方法
公开(公告)号：US08225489B2
公开(公告)日：2012-07-24
申请号：US12732795
申请日：2010-03-26
申请人： Daisuke Miyauchi , Takahiko Machita , Keita Kawamori
发明人： Daisuke Miyauchi , Takahiko Machita , Keita Kawamori
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3945 , B82Y25/00 , B82Y40/00 , G01R33/093 , G01R33/098 , G11B5/3163 , G11B5/3912 , G11B5/398 , H01F10/3254 , H01F10/3263 , H01F10/3272 , H01F41/308 , H01L43/12 , Y10T29/49032 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： An MR element includes a first exchange coupling shield layer, an MR stack, and a second exchange coupling shield layer that are arranged in this order from the bottom, and a nonmagnetic layer surrounding the MR stack. The MR stack includes a first free layer, a spacer layer, a second free layer, and a magnetic cap layer that are arranged in this order from the bottom. In the step of forming the MR stack and the nonmagnetic layer, a protection layer is formed on a layered film that will be the MR stack later, and a mask is then formed on the protection layer. Next, the layered film and the protection layer are etched using the mask and then the nonmagnetic layer is formed. After removal of the mask, the protection layer is removed by wet etching.
摘要翻译： MR元件包括从底部依次排列的第一交换耦合屏蔽层，MR堆叠和第二交换耦合屏蔽层以及围绕MR堆叠的非磁性层。 MR堆叠包括从底部依次排列的第一自由层，间隔层，第二自由层和磁性盖层。在形成MR堆叠和非磁性层的步骤中，在稍后将成为MR堆叠的分层膜上形成保护层，然后在保护层上形成掩模。接下来，使用掩模蚀刻层状膜和保护层，然后形成非磁性层。去除掩模后，通过湿蚀刻除去保护层。

6. 发明授权

US08164986B2 Thermally-assisted magnetic recording head and thermally-assisted magnetic recording method 有权
标题翻译：热辅助磁记录头和热辅助磁记录方法
公开(公告)号：US08164986B2
公开(公告)日：2012-04-24
申请号：US12471786
申请日：2009-05-26
申请人： Susumu Aoki , Daisuke Miyauchi , Seiichi Takayama , Koji Shimazawa , Tetsuya Roppongi
发明人： Susumu Aoki , Daisuke Miyauchi , Seiichi Takayama , Koji Shimazawa , Tetsuya Roppongi
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/3116 , G11B5/6088 , G11B11/10534 , G11B2005/0005 , G11B2005/0021
摘要： A magnetic recording head capable of a satisfying thermally-assisted magnetic recording without depending on the use of a near-field light generator is provided. The head comprises a waveguide and a main magnetic pole having a main pole tip. Further, at least a portion of the main pole tip is embedded in a groove provided in the upper surface of the waveguide. Further, a second clad layer is provided on the first clad layer and on a rear side from the main pole tip. This configuration of the first and second clad layers suppresses the absorption of the light propagating through the waveguide by the main magnetic pole. Further, the configuration in which at least a portion of the main pole tip is embedded in the groove can cause the distance between the light spot center of the waveguide and the main magnetic pole to be sufficiently small.
摘要翻译：提供一种能够满足热辅助磁记录而不依赖于近场光发生器的磁记录头。头部包括具有主极尖端的波导和主磁极。此外，主极尖的至少一部分嵌入设置在波导的上表面中的槽中。此外，第二覆盖层设置在第一覆盖层上并且在主极尖端的后侧。第一和第二包层的这种配置抑制由主磁极吸收通过波导传播的光。此外，主极尖的至少一部分埋设在槽中的结构可以使波导的光点中心与主磁极之间的距离足够小。

7. 发明授权

US08125858B2 Heat-assisted magnetic recording head including plasmon generator 有权
标题翻译：热辅助磁记录头包括等离子体发生器
公开(公告)号：US08125858B2
公开(公告)日：2012-02-28
申请号：US12728890
申请日：2010-03-22
申请人： Shinji Hara , Tsutomu Chou , Kosuke Tanaka , Eiji Komura , Koji Shimazawa , Daisuke Miyauchi , Susumu Aoki , Takeshi Tsutsumi
发明人： Shinji Hara , Tsutomu Chou , Kosuke Tanaka , Eiji Komura , Koji Shimazawa , Daisuke Miyauchi , Susumu Aoki , Takeshi Tsutsumi
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/3163 , G11B5/6088 , G11B2005/001 , G11B2005/0021
摘要： A plasmon generator has an outer surface including a plasmon exciting part, and has a near-field light generating part located in a medium facing surface. The plasmon exciting part faces an evanescent light generating surface of a waveguide's core with a predetermined distance therebetween. The outer surface of the plasmon generator further includes first and second inclined surfaces that are each connected to the plasmon exciting part. The first and second inclined surfaces increase in distance from each other with increasing distance from the plasmon exciting part. The plasmon generator includes a shape changing portion where the angle of inclination of each of the first and second inclined surfaces with respect to the evanescent light generating surface increases continuously with decreasing distance to the medium facing surface.
摘要翻译：等离子体发生器具有包括等离子体激元部分的外表面，并且具有位于介质面对表面中的近场光产生部分。等离子激元激发部分面对波导芯的渐逝光产生表面，其间具有预定的距离。等离子体发生器的外表面还包括各自连接到等离子体激元部分的第一和第二倾斜表面。第一和第二倾斜表面随距离等离激子激发部分的距离增加而彼此间距离增加。等离子体发生器包括形状改变部分，其中第一和第二倾斜表面中的每一个相对于ev逝光产生表面的倾斜角度随着到介质面向表面的距离的减小而连续增加。

8. 发明授权

US07947188B2 Method for manufacturing CPP-type magnetoresistance effect element 有权
标题翻译： CPP型磁阻效应元件的制造方法
公开(公告)号：US07947188B2
公开(公告)日：2011-05-24
申请号：US12318481
申请日：2008-12-30
申请人： Toshiyuki Ayukawa , Shinji Hara , Daisuke Miyauchi , Takahiko Machita , Yoshihiro Tsuchiya
发明人： Toshiyuki Ayukawa , Shinji Hara , Daisuke Miyauchi , Takahiko Machita , Yoshihiro Tsuchiya
IPC分类号： B44C1/22
CPC分类号： G11B5/3163 , G11B5/3929
摘要： A method for manufacturing a thin film magnetic head includes a step for forming an MR layered body; a step for forming a first sacrificial layer made of material removable by wet etching, and subsequently, forming a cap layer on the upper surface of the first sacrificial layer; further, a step for patterning the MR layered body and the cap layer and then filling part of the removed areas of the MR layered body and the cap layer with a bias magnetic layer and the remaining with insulating layers; a step for removing the cap layer by dry etching and, subsequently, removing the first sacrificial layer by wet etching; and a step for forming a second shield layer above the MR layered body and the bias magnetic layer.
摘要翻译：制造薄膜磁头的方法包括形成MR层叠体的步骤; 用于形成由通过湿蚀刻除去的材料制成的第一牺牲层的步骤，随后在所述第一牺牲层的上表面上形成盖层; 另外，用于对MR层叠体和盖层进行图案化，然后用偏磁层填充MR层状体和盖层的去除区域的一部分，剩余的具有绝缘层的步骤; 通过干蚀刻去除盖层的步骤，随后通过湿法蚀刻去除第一牺牲层; 以及在MR层叠体和偏磁层上形成第二屏蔽层的工序。

9. 发明申请

US20110026156A1 Heat-assisted magnetic recording head with laser diode 有权
标题翻译：带激光二极管的热辅助磁记录头
公开(公告)号：US20110026156A1
公开(公告)日：2011-02-03
申请号：US12461157
申请日：2009-08-03
申请人： Koji Shimazawa , Yasuhiro Ito , Yuji Kakinuma , Daisuke Miyauchi , Kosuke Tanaka
发明人： Koji Shimazawa , Yasuhiro Ito , Yuji Kakinuma , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B5/02
CPC分类号： G11B5/314 , G11B5/6088 , G11B2005/001 , G11B2005/0021
摘要： A heat-assisted magnetic recording head includes a slider, and an edge-emitting laser diode that emits polarized light of TM mode. The laser diode is arranged so that its bottom surface faces the top surface of the slider. An electrode of the laser diode closer to the active layer is bonded to a conductive layer of the slider, whereby the laser diode is fixed to the slider. As viewed from above the laser diode, the bottom surface of the electrode of the laser diode includes a first area that a light propagation path of the laser diode overlies, and a second area other than the first area. The top surface of the conductive layer is in contact not with the first area but with the second area of the bottom surface of the electrode.
摘要翻译：热辅助磁记录头包括滑块和发射TM模的偏振光的边缘发射激光二极管。激光二极管被布置成使得其底表面面向滑块的顶表面。更靠近有源层的激光二极管的电极被接合到滑块的导电层，由此激光二极管被固定到滑块。从激光二极管的上方观察，激光二极管的电极的底面包括激光二极管的光传播路径重叠的第一区域和第一区域以外的第二区域。导电层的顶表面不与第一区域接触，而是与电极底表面的第二区域接触。

10. 发明授权

US07881023B2 Magnetoresistive device of the CPP type, and magnetic disk system 有权
标题翻译： CPP型磁阻器和磁盘系统
公开(公告)号：US07881023B2
公开(公告)日：2011-02-01
申请号：US12019202
申请日：2008-01-24
申请人： Takahiko Machita , Koji Shimazawa , Daisuke Miyauchi , Tsutomu Chou
发明人： Takahiko Machita , Koji Shimazawa , Daisuke Miyauchi , Tsutomu Chou
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/3932 , B82Y25/00 , G01R33/093 , G11B5/3912 , G11B5/398 , H01L43/08
摘要： The invention provides a magnetoresistive device with the CPP (current perpendicular to plane) structure, comprising a magnetoresistive unit, and a first shield layer and a second shield layer located and formed such that the magnetoresistive unit is sandwiched between them, with a sense current applied in a stacking direction, wherein the magnetoresistive unit comprises a nonmagnetic intermediate layer, and a first ferromagnetic layer and a second ferromagnetic layer stacked and formed such that the nonmagnetic intermediate layer is interposed between them, wherein the first shield layer, and the second shield layer is controlled by magnetization direction control means in terms of magnetization direction, and the first ferromagnetic layer, and the second ferromagnetic layer receives action such that there is an antiparallel magnetization state created, in which mutual magnetizations are in opposite directions, under the influences of magnetic actions of the first shield layer and the second shield layer.
摘要翻译：本发明提供了一种具有CPP（电流垂直于平面）结构的磁阻器件，包括磁阻单元，以及位于并形成第一屏蔽层和第二屏蔽层，使得磁阻单元夹在它们之间，并施加感应电流在叠层方向上，其中所述磁阻单元包括非磁性中间层，以及堆叠并形成所述非磁性中间层的第一铁磁层和第二铁磁层，其中所述第一屏蔽层和所述第二屏蔽层在磁化方向上由磁化方向控制装置控制，并且第一铁磁层和第二铁磁层受到磁力的影响而产生相互磁化相反方向产生的反平行磁化状态的动作第一屏蔽层的动作和第二屏蔽层。

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