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1. 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。

2. 发明授权

US08125857B2 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：US08125857B2
公开(公告)日：2012-02-28
申请号：US12728600
申请日：2010-03-22
申请人： Kosuke Tanaka , Daisuke Miyauchi , Susumu Aoki , Tetsuya Roppongi , Tsutomu Chou , Shinji Hara , Eiji Komura
发明人： Kosuke Tanaka , Daisuke Miyauchi , Susumu Aoki , Tetsuya Roppongi , Tsutomu Chou , Shinji Hara , Eiji Komura
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 propagation edge, and has a near-field light generating part lying at an end of the propagation edge and located in a medium facing surface. The propagation edge faces an evanescent light generating surface of a waveguide's core with a predetermined distance therebetween and extends in a direction perpendicular to the medium facing surface. The propagation edge is arc-shaped in a cross section parallel to the medium facing surface. The plasmon generator includes a shape changing portion in which a radius of curvature of the propagation edge in the cross section parallel to the medium facing surface continuously decreases with decreasing distance to the medium facing surface.
摘要翻译：等离子体发生器具有包括传播边缘的外表面，并且具有位于传播边缘的末端并位于面向介质的表面中的近场光产生部分。传播边缘面向波导芯的ev逝光产生表面，其间具有预定距离，并且在垂直于介质面向表面的方向上延伸。传播边缘在平行于面向介质的表面的横截面中是弧形的。等离子体发生器包括形状改变部分，其中平面于介质面向表面的横截面中的传播边缘的曲率半径随着到面向介质的表面的距离的减小而连续地减小。

3. 发明申请

US20110228419A1 HEAT-ASSISTED MAGNETIC RECORDING HEAD INCLUDING PLASMON GENERATOR 有权
标题翻译：热辅助磁记录头，包括等离子发生器
公开(公告)号：US20110228419A1
公开(公告)日：2011-09-22
申请号：US12728600
申请日：2010-03-22
申请人： Kosuke Tanaka , Daisuke Miyauchi , Susumu Aoki , Tetsuya Roppongi , Tsutomu Chou , Shinji Hara , Eiji Komura
发明人： Kosuke Tanaka , Daisuke Miyauchi , Susumu Aoki , Tetsuya Roppongi , Tsutomu Chou , Shinji Hara , Eiji Komura
IPC分类号： G11B5/02
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 propagation edge, and has a near-field light generating part lying at an end of the propagation edge and located in a medium facing surface. The propagation edge faces an evanescent light generating surface of a waveguide's core with a predetermined distance therebetween and extends in a direction perpendicular to the medium facing surface. The propagation edge is arc-shaped in a cross section parallel to the medium facing surface. The plasmon generator includes a shape changing portion in which a radius of curvature of the propagation edge in the cross section parallel to the medium facing surface continuously decreases with decreasing distance to the medium facing surface.
摘要翻译：等离子体发生器具有包括传播边缘的外表面，并且具有位于传播边缘的末端并位于面向介质的表面中的近场光产生部分。传播边缘面向波导芯的ev逝光产生表面，其间具有预定距离，并且在垂直于介质面向表面的方向上延伸。传播边缘在平行于面向介质的表面的横截面中是弧形的。等离子体发生器包括形状改变部分，其中平面于介质面向表面的横截面中的传播边缘的曲率半径随着到面向介质的表面的距离的减小而连续地减小。

4. 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。

5. 发明授权

US08264920B1 Near-field light generator and thermally-assisted magnetic recording head 有权
标题翻译：近场光发生器和热辅助磁记录头
公开(公告)号：US08264920B1
公开(公告)日：2012-09-11
申请号：US13191913
申请日：2011-07-27
申请人： Tsutomu Chou , Eiji Komura , Shinji Hara , Daisuke Miyauchi , Kosuke Tanaka
发明人： Tsutomu Chou , Eiji Komura , Shinji Hara , Daisuke Miyauchi , Kosuke Tanaka
IPC分类号： G11B11/00 , G11B7/135
CPC分类号： G11B5/314 , B82Y20/00 , G02B6/1226 , G11B5/3116 , G11B5/6088 , G11B2005/0021
摘要： A near-field light generator includes a waveguide, a plasmon generator, and a metal layer. The waveguide includes a core having an evanescent light generating surface. The plasmon generator includes a base part, and a protruding part that protrudes from the base part toward the evanescent light generating surface. The protruding part has: a front end face located at an end in a direction parallel to the evanescent light generating surface; a band-shaped flat surface facing toward the evanescent light generating surface; and two side surfaces connected to the flat surface. In at least a portion of the protruding part, the distance between the two side surfaces increases with increasing distance from the evanescent light generating surface. The flat surface includes a first portion contiguous with the front end face, and a second portion that is located farther from the front end face than is the first portion. The metal layer has an end face facing the first portion. The evanescent light generating surface faces the second portion.
摘要翻译：近场光发生器包括波导管，等离子体激元发生器和金属层。波导包括具有ev逝光产生表面的芯。等离子体发生器包括基部和从基部朝向渐逝光产生表面突出的突出部分。所述突出部具有：前端面，其位于与所述ev逝光生成面平行的方向的端部; 面向渐逝光产生表面的带状平坦表面; 以及连接到平坦表面的两个侧表面。在突出部分的至少一部分中，两个侧表面之间的距离随着与渐消光产生表面的距离的增加而增加。平坦表面包括与前端面相邻的第一部分，以及比第一部分更远离前端面的第二部分。金属层具有面向第一部分的端面。渐逝光产生表面面向第二部分。

6. 发明授权

US08305849B2 Thermally-assisted magnetic head 有权
标题翻译：热辅助磁头
公开(公告)号：US08305849B2
公开(公告)日：2012-11-06
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： G11B11/00
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。

7. 发明申请

US20110228420A1 HEAT-ASSISTED MAGNETIC RECORDING HEAD INCLUDING PLASMON GENERATOR 有权
标题翻译：热辅助磁记录头，包括等离子发生器
公开(公告)号：US20110228420A1
公开(公告)日：2011-09-22
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： G11B5/02
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

US08351308B2 Thermally assisted magnetic recording head having V-shaped plasmon generator 有权
标题翻译：具有V形等离子体发生器的热辅助磁记录头
公开(公告)号：US08351308B2
公开(公告)日：2013-01-08
申请号：US12892540
申请日：2010-09-28
申请人： Tsutomu Chou , Eiji Komura , Shinji Hara , Kosuke Tanaka , Daisuke Miyauchi
发明人： Tsutomu Chou , Eiji Komura , Shinji Hara , Kosuke Tanaka , Daisuke Miyauchi
IPC分类号： G11B11/00
CPC分类号： G11B5/3116 , G02B5/008 , G11B5/314 , G11B5/3163 , G11B2005/0021
摘要： A thermally assisted magnetic head includes a magnetic pole that generates a writing magnetic field from an air bearing surface (ABS); a waveguide through which light propagates; and a plasmon generator generating near-field light from a near-field light generating end surface by coupling the light thereto in a surface plasmon mode. The magnetic pole includes a convex part protruding in a substantially V-shape along a light propagation direction of the waveguide. The plasmon generator includes a substantially V-shaped part contacting the convex part, and as seen from a side of the ABS, a thickness of the plasmon generator in a direction perpendicular to convex part contacting sides gradually increases from an end in a direction away from the waveguide, the convex part contacting sides being linear sides that form the substantially V-shaped part of the plasmon generator and contacting the convex part.
摘要翻译：热辅助磁头包括从空气轴承表面（ABS）产生书写磁场的磁极; 光传播的波导; 以及等离子体发生器，其通过以表面等离子体激发模式将光耦合到其上，从近场光产生端面产生近场光。磁极包括沿波导的光传播方向大致V形突出的凸部。等离子体发生器包括接触凸部的大致V形部分，并且从ABS的侧面看，等离子体发生器在与凸部接触的方向垂直的方向上的厚度从远离方向的端部逐渐增加所述波导，所述凸部接触侧为直线侧，其形成所述等离子体发生器的大致V形部分并接触所述凸部。

9. 发明申请

US20120075967A1 THERMALLY ASSISTED MAGNETIC RECORDING HEAD 有权
标题翻译：热辅助磁记录头
公开(公告)号：US20120075967A1
公开(公告)日：2012-03-29
申请号：US12892540
申请日：2010-09-28
申请人： Tsutomu Chou , Eiji Komura , Shinji Hara , Kosuke Tanaka , Daisuke Miyauchi
发明人： Tsutomu Chou , Eiji Komura , Shinji Hara , Kosuke Tanaka , Daisuke Miyauchi
IPC分类号： G11B11/24
CPC分类号： G11B5/3116 , G02B5/008 , G11B5/314 , G11B5/3163 , G11B2005/0021
摘要： A thermally assisted magnetic head includes a magnetic pole that generates a writing magnetic field from an air bearing surface (ABS); a waveguide through which light propagates; and a plasmon generator generating near-field light from a near-field light generating end surface by coupling the light thereto in a surface plasmon mode. The magnetic pole includes a convex part protruding in a substantially V-shape along a light propagation direction of the waveguide. The plasmon generator includes a substantially V-shaped part contacting the convex part, and as seen from a side of the ABS, a thickness of the plasmon generator in a direction perpendicular to convex part contacting sides gradually increases from an end in a direction away from the waveguide, the convex part contacting sides being linear sides that form the substantially V-shaped part of the plasmon generator and contacting the convex part.
摘要翻译：热辅助磁头包括从空气轴承表面（ABS）产生书写磁场的磁极; 光传播的波导; 以及等离子体发生器，其通过以表面等离子体激发模式将光耦合到其上，从近场光产生端面产生近场光。磁极包括沿波导的光传播方向大致V形突出的凸部。等离子体发生器包括接触凸部的大致V形部分，并且从ABS的侧面看，等离子体发生器在与凸部接触的方向垂直的方向上的厚度从远离方向的端部逐渐增加所述波导，所述凸部接触侧为直线侧，其形成所述等离子体发生器的大致V形部分并接触所述凸部。

10. 发明授权

US08432773B2 Thermally-assisted magnetic head having bank layer between magnetic pole and plasmon generator 有权
标题翻译：在磁极和等离子体发生器之间具有堤层的热辅助磁头
公开(公告)号：US08432773B2
公开(公告)日：2013-04-30
申请号：US12962878
申请日：2010-12-08
申请人： Shinji Hara , Kosuke Tanaka , Keita Kawamori , Daisuke Miyauchi , Takahiko Izawa , Eiji Komura
发明人： Shinji Hara , Kosuke Tanaka , Keita Kawamori , Daisuke Miyauchi , Takahiko Izawa , Eiji Komura
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , B82Y10/00 , B82Y25/00 , G11B2005/0021
摘要： A thermally-assisted magnetic head that has an air bearing surface (ABS) facing a recording medium and that performs magnetic recording while heating the recording medium includes: a magnetic recording element that includes a pole of which an edge part is positioned on the ABS and which generates magnetic flux traveling to the recording medium; a waveguide that is configured with a core through which light propagates and a cladding, surrounding a periphery of the core, at least one part of which extends to the ABS; a plasmon generator that faces a part of the core and that extends toward the ABS side; and a bank layer that is positioned between the plasmon generator and the pole, and of which an edge part on the ABS side protrudes relative to the plasmon generator.
摘要翻译：具有面向记录介质的空气轴承表面（ABS）并且在加热记录介质的同时执行磁记录的热辅助磁头包括：磁记录元件，其包括边缘部分位于ABS上的极点和其产生传播到记录介质的磁通量; 波导，其配置有光传播的芯和包围芯，围绕芯的周边，其至少一部分延伸到ABS; 等离子体发生器，其面向所述芯的一部分并朝向ABS侧延伸; 以及位于等离子体发生器和极之间的堤层，并且ABS侧上的边缘部分相对于等离子体发生器突出。

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