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31. 发明授权

US08369192B1 Thermally-assisted magnetic recording head, head gimbal assembly and magnetic recording device 有权
标题翻译：热辅助磁记录头，磁头万向架组件和磁记录装置
公开(公告)号：US08369192B1
公开(公告)日：2013-02-05
申请号：US13298360
申请日：2011-11-17
申请人： Eiji Komura , Koji Shimazawa , Tsutomu Chou , Shinji Hara , Daisuke Miyauchi
发明人： Eiji Komura , Koji Shimazawa , Tsutomu Chou , Shinji Hara , Daisuke Miyauchi
IPC分类号： G11B11/00
CPC分类号： G11B5/3116 , G11B5/314 , G11B5/3163 , G11B5/6088 , G11B2005/0021
摘要： A thermally-assisted magnetic recording head enables even steeper magnetization reversal between adjacent magnetic domains of a magnetic recording medium and satisfies the demand for high SN ratio and high recording density. The thermally-assisted magnetic recording head includes a pole that generates a writing magnetic field from an end surface that forms a part of an air bearing surface that opposes a magnetic recording medium, a waveguide through which light for exciting surface plasmon propagates, and a plasmon generator that couples to the light in a surface plasmon mode. The plasmon generator has a plane part and a projection part, the pole has a projection part opposing surface that opposes the projection part, and the distance between the projection part opposing surface and the projection part is 10-40 nm.
摘要翻译：热辅助磁记录头使磁记录介质的相邻磁畴之间的磁化反转能够更高，并满足高SN比和高记录密度的要求。热辅助磁记录头包括从形成与磁记录介质相对的空气轴承表面的一部分的端面产生书写磁场的磁极，用于激发表面等离子体激元的光传播的波导和等离子体激元发生器以表面等离子体模式耦合到光。等离子体发生器具有平面部分和突出部分，所述极具有与突出部分相对的突出部分相对表面，并且突出部分相对表面和突出部分之间的距离为10-40nm。

32. 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。

33. 发明申请

US20120014230A1 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：US20120014230A1
公开(公告)日：2012-01-19
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。

34. 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。

35. 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。

36. 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。

37. 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。

38. 发明授权

US08031444B2 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：US08031444B2
公开(公告)日：2011-10-04
申请号：US12255105
申请日：2008-10-21
申请人： Tsutomu Chou , Tomohito Mizuno , Koji Shimazawa , Yoshihiro Tsuchiya , Shinji Hara , Hironobu Matsuzawa
发明人： Tsutomu Chou , Tomohito Mizuno , Koji Shimazawa , Yoshihiro Tsuchiya , Shinji Hara , Hironobu Matsuzawa
IPC分类号： G11B5/33
CPC分类号： G11B5/3906 , B82Y10/00 , B82Y25/00 , G01R33/093 , G01R33/098 , G11B5/3967 , G11B2005/3996 , H01F10/3254 , H01L43/10
摘要： The semiconductor oxide layer that forms a part of the spacer layer in the inventive giant magnetoresistive device (CPP-GMR device) is composed of zinc oxide of wurtzite structure that is doped with a dopant given by at least one metal element selected from the group consisting of Zn, Ge, V, and Cr in a content of 0.05 to 0.90 at %: there is the advantage obtained that ever higher MR ratios are achievable while holding back an increase in the area resistivity AR.
摘要翻译：在本发明的巨磁阻器件（CPP-GMR器件）中形成间隔层的一部分的半导体氧化物层由纤锌矿结构的氧化锌组成，该氧化锌掺杂有至少一种选自以下的金属元素的掺杂剂：的Zn，Ge，V和Cr的含量为0.05〜0.90原子％：具有获得更高MR比可以实现的优点，同时阻止面积电阻率AR的增加。

39. 发明申请

US20100232066A1 Magneto-resistive effect element provided with GaN spacer layer 有权
标题翻译：具有GaN间隔层的磁阻效应元件
公开(公告)号：US20100232066A1
公开(公告)日：2010-09-16
申请号：US12382137
申请日：2009-03-10
申请人： Shinji Hara , Yoshihiro Tsuchiya , Tsutomu Chou , Hironobu Matsuzawa
发明人： Shinji Hara , Yoshihiro Tsuchiya , Tsutomu Chou , Hironobu Matsuzawa
IPC分类号： G11B5/60 , G11B5/127 , G11B5/48
CPC分类号： G11B5/3906 , B82Y10/00 , B82Y25/00 , G01R33/093 , G01R33/098 , G11B2005/3996 , H01L43/08 , H01L43/10
摘要： A magneto-resistive effect (MR) element includes a first magnetic layer and a second magnetic layer in which a relative angle of magnetization directions of the first and second magnetic layers changes according to an external magnetic field; and a spacer layer that is provided between the first magnetic layer and the second magnetic layer. The spacer layer contains gallium nitride (GaN) as a main component. A thin film magnetic head according to one embodiment of the present invention is provided with the following structures: an MR element mentioned above that has a first magnetic layer and a second magnetic layer, as free layers, in which the magnetization direction in the two layers changes according to the external magnetic field; a bias magnetic field application layer that applies a bias magnetic field to the first and second magnetic layers in an orthogonal direction to an air bearing surface (ABS); the bias magnetic field application layer is formed in a rear side of the MR element seen from the ABS; and a sense current flows in an orthogonal direction to a layer surface of the MR element.
摘要翻译：磁阻效应（MR）元件包括第一磁性层和第二磁性层，其中第一和第二磁性层的磁化方向的相对角度根据外部磁场而改变; 以及设置在第一磁性层和第二磁性层之间的间隔层。间隔层包含氮化镓（GaN）作为主要成分。根据本发明的一个实施例的薄膜磁头具有以下结构：上述具有第一磁性层和第二磁性层作为自由层的MR元件，其中两层中的磁化方向根据外部磁场变化; 偏置磁场施加层，其在与空气轴承表面（ABS）正交的方向上对第一和第二磁性层施加偏置磁场; 偏置磁场施加层形成在从ABS看到的MR元件的后侧; 并且感测电流在与MR元件的层表面正交的方向上流动。

40. 发明申请

US20100214701A1 Magnetoresistive effect element in cpp-type structure and magnetic disk device 有权
标题翻译： cpp型结构和磁盘装置中的磁阻效应元件
公开(公告)号：US20100214701A1
公开(公告)日：2010-08-26
申请号：US12379625
申请日：2009-02-26
申请人： Yoshihiro Tsuchiya , Shinji Hara , Tsutomu Chou , Hironobu Matsuzawa
发明人： Yoshihiro Tsuchiya , Shinji Hara , Tsutomu Chou , Hironobu Matsuzawa
IPC分类号： G11B5/127
CPC分类号： G01R33/098 , B82Y25/00 , G11B5/3906 , H01F10/3254 , H01F10/3259 , H01F10/3272 , H01L43/10 , Y10T29/49021 , Y10T428/1114 , Y10T428/1171
摘要： An MR element according to the present invention has the superior effects that further improve an MR ratio because a structure of a spacer layer 40 is configured of a certain three-layer structure with certain materials, and at least one of a first ferromagnetic layer 30 and a second ferromagnetic layer 50 contains a certain amount of an element selected from the group of nitrogen (N), carbon (C), and oxygen (O).
摘要翻译：根据本发明的MR元件具有进一步提高MR比的优越效果，因为间隔层40的结构由具有某些材料的特定三层结构构成，并且第一铁磁层30和第二铁磁层50含有一定量的选自氮（N），碳（C）和氧（O）的元素。

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