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91. 发明授权

US09472230B1 Plasmon generator including a main body and a front protrusion 有权
标题翻译：等离子体发生器，包括主体和前突起
公开(公告)号：US09472230B1
公开(公告)日：2016-10-18
申请号：US14691127
申请日：2015-04-20
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hideo Mamiya , Hironori Araki , Seiichiro Tomita
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hideo Mamiya , Hironori Araki , Seiichiro Tomita
IPC分类号： G11B11/00 , G11B7/1387 , G11B7/22 , G11B5/012 , G11B5/00 , G11B5/60 , G11B5/31 , G11B11/105
CPC分类号： G11B5/012 , G11B5/187 , G11B5/3116 , G11B5/314 , G11B5/6088 , G11B11/10532 , G11B11/10543 , G11B2005/0021
摘要： A plasmon generator includes a main body, and a front protrusion protruding from the main body. The front protrusion has a proximal portion which is a boundary with the main body, and a near-field light generating surface located in the medium facing surface of a magnetic head. The main body has a first inclined surface and a second inclined surface each facing toward the medium facing surface. The first inclined surface and the second inclined surface are at a distance from each other and aligned in the track width direction. The proximal portion of the front protrusion is located between the first inclined surface and the second inclined surface.
摘要翻译：等离子体发生器包括主体和从主体突出的前突起。前突起具有与主体边界的近侧部分和位于磁头的介质面向表面中的近场光产生表面。主体具有第一倾斜表面和第二倾斜表面，每个倾斜表面面向介质相对表面。第一倾斜面和第二倾斜面彼此间隔一定距离并且在轨道宽度方向上对齐。前突起的近端部分位于第一倾斜表面和第二倾斜表面之间。

92. 发明授权

US09406318B2 Magnetic head for perpendicular magnetic recording including two side shields and main pole including lower protrusion 有权
标题翻译：用于垂直磁记录的磁头，包括两个侧屏蔽和主极，包括下突起
公开(公告)号：US09406318B2
公开(公告)日：2016-08-02
申请号：US14832230
申请日：2015-08-21
申请人： Yoshitaka Sasaki , Kazuki Sato , Hiroyuki Ito , Hironori Araki , Shigeki Tanemura , Kazumasa Yasuda
发明人： Yoshitaka Sasaki , Kazuki Sato , Hiroyuki Ito , Hironori Araki , Shigeki Tanemura , Kazumasa Yasuda
IPC分类号： G11B5/11 , G11B5/31 , G11B5/127 , G11B5/17 , G11B5/39
CPC分类号： G11B5/1278 , G11B5/11 , G11B5/1272 , G11B5/17 , G11B5/3116 , G11B5/315 , G11B5/3163 , G11B5/3967 , Y10T29/49048
摘要： A first side shield has a first sidewall and a second sidewall. A second side shield has a third sidewall and a fourth sidewall. The distance between the first sidewall and the third sidewall decreases with increasing proximity to the top surface of a substrate. The second and fourth sidewalls are close to perpendicular to the top surface of the substrate. Each of the second and fourth sidewalls has an edge farthest from the top surface of the substrate, the edge being parallel to the medium facing surface. The main pole has a first, a second, a third and a fourth side surface. The first side surface is opposed to the first sidewall. A portion of the second side surface is opposed to the second sidewall. The third side surface is opposed to the third sidewall. A portion of the fourth side surface is opposed to the fourth sidewall.
摘要翻译：第一侧屏蔽件具有第一侧壁和第二侧壁。第二侧屏蔽件具有第三侧壁和第四侧壁。第一侧壁和第三侧壁之间的距离随着靠近衬底顶表面的增加而减小。第二和第四侧壁靠近垂直于基板的顶表面。第二和第四侧壁中的每一个具有距衬底顶表面最远的边缘，该边缘平行于介质面向表面。主极具有第一，第二，第三和第四侧面。第一侧表面与第一侧壁相对。第二侧表面的一部分与第二侧壁相对。第三侧面与第三侧壁相对。第四侧面的一部分与第四侧壁相对。

93. 发明授权

US09236082B2 Near-field light generator including a waveguide and a plasmon generator 有权
标题翻译：近场光发生器，包括波导和等离子体发生器
公开(公告)号：US09236082B2
公开(公告)日：2016-01-12
申请号：US14069883
申请日：2013-11-01
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Hideo Mamiya , Ryuji Fujii
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Hideo Mamiya , Ryuji Fujii
IPC分类号： G11B5/48 , G02B6/42 , G02B6/136 , G11B9/12 , G02B6/122 , G11B5/31 , G11B7/24059 , G11B5/00 , G02B6/12
CPC分类号： G11B9/12 , G02B6/12004 , G02B6/1226 , G02B6/136 , G02B6/4291 , G11B5/3133 , G11B5/314 , G11B5/4866 , G11B5/6088 , G11B7/24059 , G11B2005/0021 , Y10T29/49
摘要： A plasmon generator includes a first portion and a second portion that are adjacent in a first direction orthogonal to the direction of travel of light propagating through a core. The second portion includes a front end face located in a medium facing surface of a magnetic head. The core has a concave portion recessed from the top surface of the core. At least part of the first portion is received in the concave portion. The concave portion has a surface including an evanescent light generating portion. The first portion includes a plasmon exciting portion opposed to the evanescent light generating portion. The evanescent light generating portion is inclined relative to a first surface.
摘要翻译：等离子体发生器包括第一部分和第二部分，该第一部分和第二部分在与传播通过芯的光的行进方向正交的第一方向上相邻。第二部分包括位于磁头的介质面向表面中的前端面。芯具有从芯的顶表面凹陷的凹部。第一部分的至少一部分被容纳在凹部中。凹部具有包括渐逝光生成部的表面。第一部分包括与瞬逝光产生部分相对的等离子体激元部分。渐逝光产生部分相对于第一表面倾斜。

94. 发明授权

US09230568B1 Magnetic head for perpendicular magnetic recording including a coil having an inclined front end face 有权
标题翻译：用于垂直磁记录的磁头，包括具有倾斜的前端面的线圈
公开(公告)号：US09230568B1
公开(公告)日：2016-01-05
申请号：US14688450
申请日：2015-04-16
申请人： Yukinori Ikegawa , Yoshitaka Sasaki , Hiroyuki Ito , Kazuki Sato , Shigeki Tanemura , Hironori Araki
发明人： Yukinori Ikegawa , Yoshitaka Sasaki , Hiroyuki Ito , Kazuki Sato , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/127 , G11B5/17 , G11B5/187
CPC分类号： G11B5/1278 , G11B5/17 , G11B5/187 , G11B5/3116 , G11B5/3123 , G11B5/3163
摘要： A magnetic head includes a coil, a main pole, a trailing shield, a gap section, a return path section, and a coil underlayer. The main pole has a top surface including a first inclined portion and a flat portion. The coil includes a specific coil element. The specific coil element has a bottom surface facing toward the top surface of the main pole, and a front end face inclined with respect to a medium facing surface. The coil underlayer lies under the specific coil element, and has a front end face. The trailing shield includes a portion interposed between the front end face of the coil underlayer and the medium facing surface. The bottom surface of the specific coil element includes a second inclined portion.
摘要翻译：磁头包括线圈，主极，后屏蔽，间隙部分，返回路径部分和线圈底层。主极具有包括第一倾斜部和平坦部的顶面。线圈包括特定的线圈元件。特定线圈元件具有面向主极的顶表面的底表面和相对于介质面向表面倾斜的前端面。线圈底层位于特定线圈元件下方，并具有前端面。后挡板包括插入在线圈底层的前端面与介质面对表面之间的部分。特定线圈元件的底面包括第二倾斜部分。

95. 发明授权

US08867170B1 Multilayer plasmon generator 有权
标题翻译：多层等离子体发生器
公开(公告)号：US08867170B1
公开(公告)日：2014-10-21
申请号：US13942074
申请日：2013-07-15
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Seiichiro Tomita , Ryuji Fujii
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Seiichiro Tomita , Ryuji Fujii
IPC分类号： G11B5/147
CPC分类号： G11B5/6088 , G11B5/314 , G11B2005/0021
摘要： A plasmon generator has a front end face located in a medium facing surface of a magnetic head. The plasmon generator includes a metal portion and a multilayer film portion. The metal portion has a bottom surface, a top surface, and an end face facing toward the front end face. The multilayer film portion includes a first metal layer, a second metal layer and an intermediate layer, and covers the top surface and the end face of the metal portion. The intermediate layer is formed of a material that is higher in Vickers hardness than the metal material used to form the metal portion, the metal material used to form the first metal layer and the metal material used to form the second metal layer.
摘要翻译：等离子体发生器具有位于磁头的介质面向表面中的前端面。等离子体发生器包括金属部分和多层膜部分。金属部分具有底表面，顶表面和面向前端面的端面。多层膜部分包括第一金属层，第二金属层和中间层，并且覆盖金属部分的顶表面和端面。中间层由维氏硬度高于用于形成金属部分的金属材料，用于形成第一金属层的金属材料和用于形成第二金属层的金属材料形成。

96. 发明授权

US08830799B1 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：US08830799B1
公开(公告)日：2014-09-09
申请号：US13846337
申请日：2013-03-18
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Seiichiro Tomita , Ryuji Fujii
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Seiichiro Tomita , Ryuji Fujii
IPC分类号： G11B11/00 , G02B5/00 , G11B13/08 , G02B27/56
CPC分类号： G02B5/008 , G11B5/314 , G11B2005/0021
摘要： A near-field light generator includes a multilayer structure having a front end face. The multilayer structure includes a first dielectric layer, a second dielectric layer, a third dielectric layer, a first metal layer, and a second metal layer. The first metal layer is interposed between the first dielectric layer and the second dielectric layer. The second metal layer is interposed between the second dielectric layer and the third dielectric layer. Each of the first to third dielectric layers and the first and second metal layers has an end located in the front end face. The dielectric material used to form the first dielectric layer, the dielectric material used to form the second dielectric layer, and the dielectric material used to form the third dielectric layer have the same permittivity.
摘要翻译：近场光发生器包括具有前端面的多层结构。多层结构包括第一介电层，第二介电层，第三介电层，第一金属层和第二金属层。第一金属层介于第一介电层和第二电介质层之间。第二金属层介于第二电介质层和第三电介质层之间。第一至第三电介质层和第一和第二金属层中的每一个具有位于前端面中的端部。用于形成第一电介质层的电介质材料，用于形成第二电介质层的电介质材料以及用于形成第三电介质层的电介质材料具有相同的介电常数。

97. 发明授权

US08619517B1 Thermally-assisted magnetic recording head having a plasmon generator 有权
标题翻译：具有等离子体发生器的热辅助磁记录头
公开(公告)号：US08619517B1
公开(公告)日：2013-12-31
申请号：US13584185
申请日：2012-08-13
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Kazuki Sato , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Kazuki Sato , Hironori Araki
IPC分类号： G11B11/00
CPC分类号： G11B5/6088 , B82Y20/00 , G02B6/1226 , G11B5/3116 , G11B5/314 , G11B5/3163 , G11B2005/0021
摘要： A thermally-assisted magnetic recording head includes a waveguide having a core and a cladding, and a plasmon generator. The core has an evanescent light generating surface. The plasmon generator has a plasmon exciting part opposed to the evanescent light generating surface. Assuming a virtual straight line that passes internally through the core and that is parallel to the direction of travel of light propagating through the core, at least part of the evanescent light generating surface and at least part of the plasmon exciting part are both inclined relative to the virtual straight line such that the distance from the virtual straight line decreases with increasing proximity to the medium facing surface.
摘要翻译：热辅助磁记录头包括具有芯和包层的波导和等离子体发生器。核心具有ev逝的光生成面。等离子体发生器具有与瞬逝光产生表面相对的等离子体激元部分。假设虚拟直线在内部通过芯并且平行于传播通过芯的光的行进方向，至少部分渐逝光产生表面和至少部分等离子体激元部分都相对于虚拟直线使得距离虚拟直线的距离随着与介质面对表面的接近程度的增加而减小。

98. 发明授权

US08287748B2 Method of manufacturing magnetic head for perpendicular magnetic recording 有权
标题翻译：用于垂直磁记录的磁头制造方法
公开(公告)号：US08287748B2
公开(公告)日：2012-10-16
申请号：US12654548
申请日：2009-12-23
申请人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Jianing Zhou , Min Li
发明人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Jianing Zhou , Min Li
IPC分类号： B44C1/22
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163
摘要： A magnetic head includes: a pole layer including a track width defining portion and a wide portion; and an accommodation layer disposed on a bottom forming layer and having a groove that accommodates the pole layer. The groove includes a first portion for accommodating at least part of the track width defining portion, and a second portion for accommodating at least part of the wide portion. A manufacturing method for the magnetic head includes the steps of: forming a groove defining layer on a nonmagnetic layer that is intended to later become the accommodation layer; forming a mask that covers an area of the nonmagnetic layer where to form the first portion of the groove; etching the nonmagnetic layer so that the second portion of the groove is formed in the nonmagnetic layer; removing the mask; and taper-etching the nonmagnetic layer so that the first portion of the groove is formed in the nonmagnetic layer and the groove is thereby completed.
摘要翻译：磁头包括：包括轨道宽度限定部分和宽部分的极层; 以及容纳层，其设置在底部形成层上并具有容纳极层的槽。凹槽包括用于容纳轨道宽度限定部分的至少一部分的第一部分和用于容纳至少部分宽部分的第二部分。磁头的制造方法包括以下步骤：在旨在稍后成为调节层的非磁性层上形成凹槽限定层; 形成覆盖形成所述槽的第一部分的非磁性层的区域的掩模; 蚀刻非磁性层，使得凹槽的第二部分形成在非磁性层中; 去除面膜; 并且对非磁性层进行锥形蚀刻，使得凹槽的第一部分形成在非磁性层中，从而完成凹槽。

99. 发明授权

US08194511B2 Heat-assisted magnetic recording head with near-field light generating element 有权
标题翻译：具有近场光产生元件的热辅助磁记录头
公开(公告)号：US08194511B2
公开(公告)日：2012-06-05
申请号：US12727666
申请日：2010-03-19
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Atsushi Iijima
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Atsushi Iijima
IPC分类号： G11B11/00
CPC分类号： G11B5/314 , G11B5/3163 , G11B5/6088 , G11B2005/001 , G11B2005/0021
摘要： A near-field light generating element has an outer surface including a bottom surface that lies at an end closer to a top surface of a substrate, a waveguide facing surface that lies at an end farther from the top surface of the substrate and faces a waveguide, a front end face located in a medium facing surface, and a side surface that connects the bottom surface, the waveguide facing surface and the front end face to each other. The front end face includes a first side that lies at an end of the bottom surface, a tip that lies at an end farther from the top surface of the substrate and forms a near-field light generating part, a second side that connects an end of the first side to the tip, and a third side that connects the other end of the first side to the tip. The waveguide facing surface includes a width changing portion that has a width in a direction parallel to the bottom surface and the front end face, the width decreasing with decreasing distance to the front end face.
摘要翻译：近场光产生元件具有外表面，该外表面包括位于更靠近基板顶表面的一端的底表面，位于远离基板顶表面的一端的波导对面的表面，位于介质相对表面中的前端面以及将所述底表面，所述波导对向表面和所述前端面彼此连接的侧表面。所述前端面包括位于所述底面的端部的第一侧，位于距离所述基板的上表面更远的一端并形成近场光产生部的端部，所述第二侧将端部并且将第一侧的另一端连接到尖端的第三侧。面向波导的表面包括宽度改变部分，该宽度改变部分在平行于底面和前端面的方向上具有宽度，宽度随着与前端面的距离的减小而减小。

100. 发明授权

US08107192B2 Heat-assisted magnetic recording head with laser diode fixed to slider 有权
标题翻译：带激光二极管的热辅助磁记录头固定在滑块上
公开(公告)号：US08107192B2
公开(公告)日：2012-01-31
申请号：US12588686
申请日：2009-10-23
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Atsushi Iijima
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Shigeki Tanemura , Hironori Araki , Atsushi Iijima
IPC分类号： G11B5/127
CPC分类号： G11B5/314 , G11B5/1278 , G11B2005/001 , G11B2005/0021
摘要： A heat-assisted magnetic recording head includes a slider, an edge-emitting laser diode fixed to the slider, and an external mirror fixed to the laser diode. The laser diode has: an emitting end face that includes an emission part for emitting laser light; a mounting surface that lies at an end in a direction perpendicular to the plane of an active layer and faces the slider; and a rear surface opposite to the mounting surface. The external mirror includes: a first to-be-fixed part disposed along the emitting end face; a second to-be-fixed part disposed along the rear surface; and a coupling part that couples the first and second to-be-fixed parts to each other. The first to-be-fixed part has a reflecting surface that reflects the laser light emitted from the emission part toward the waveguide.
摘要翻译：热辅助磁记录头包括滑块，固定到滑块的边缘发射激光二极管和固定到激光二极管的外反射镜。激光二极管具有：发射端面，其包括用于发射激光的发射部分; 安装表面位于垂直于有源层的平面的方向上的端部并且面向滑块; 以及与安装表面相对的后表面。外部反射镜包括：沿着发射端面设置的第一待固定部分; 沿着后表面设置的第二待固定部分; 以及将第一和第二固定部件彼此连接的联接部。第一待固定部分具有将从发射部分发射的激光朝向波导反射的反射表面。

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