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    THERMALLY-ASSISTED MAGNETIC RECORDING HEAD INCLUDING A MAIN POLE AND A PLASMON GENERATOR
    1.
    发明申请
    THERMALLY-ASSISTED MAGNETIC RECORDING HEAD INCLUDING A MAIN POLE AND A PLASMON GENERATOR 有权
    热辅助磁记录头，包括一个主点和一个等离子发生器

    公开(公告)号：US20170047087A1

    公开(公告)日：2017-02-16

    申请号：US14825020

    申请日：2015-08-12

    申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Hironori ARAKI ,  Seiichiro TOMITA ,  Hideo MAMIYA

    发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Hironori ARAKI ,  Seiichiro TOMITA ,  Hideo MAMIYA

    IPC分类号： G11B5/48 ,  G11B5/31

    CPC分类号： G11B5/4866 ,  G11B5/012 ,  G11B5/11 ,  G11B5/127 ,  G11B5/1278 ,  G11B5/187 ,  G11B5/313 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/60 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A main pole has a front end face including a first end face portion and a second end face portion. A plasmon generator has a near-field light generating surface. A surrounding layer has a first surrounding layer end face and a second surrounding layer end face located on opposite sides of the first end face portion in the track width direction. A gap film has a first gap film end face and a second gap film end face located on opposite sides of the near-field light generating surface in the track width direction. Each of the first and second gap film end faces includes a portion located between the first and second surrounding layer end faces, but does not include any portion interposed between the first surrounding layer end face and the first end face portion or between the second surrounding layer end face and the first end face portion.

    摘要翻译： 主极具有包括第一端面部和第二端面部的前端面。 等离子体发生器具有近场光产生表面。 周围层具有在轨道宽度方向上位于第一端面部的相对侧的第一环绕层端面和第二环绕层端面。 间隙膜具有在轨道宽度方向上位于近场光产生表面的相对侧上的第一间隙膜端面和第二间隙膜端面。 第一和第二间隙膜端面中的每一个包括位于第一和第二包围层端面之间的部分，但不包括介于第一环绕层端面与第一端面部之间或第二环绕层之间的部分 端面和第一端面部。

    PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS
    5.
    发明申请
    PLASMON GENERATOR INCLUDING TWO PORTIONS MADE OF DIFFERENT METALS 有权
    等离子发生器，包括不同金属的两个部分

    公开(公告)号：US20140247706A1

    公开(公告)日：2014-09-04

    申请号：US13783933

    申请日：2013-03-04

    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： G11B13/08

    CPC分类号： G11B13/08 ,  G11B5/314 ,  G11B5/6088 ,  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 first portion formed of a first metal material and a second portion formed of a second metal material. The first portion has an inclined surface facing toward the front end face. The second portion is located between the inclined surface and the front end face, and includes a first end face located in the front end face and a second end face in contact with the inclined surface. The second metal material is higher in Vickers hardness than the first metal material. The first portion has a plasmon exciting part. The front end face generates near-field light.

    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由第一金属材料形成的第一部分和由第二金属材料形成的第二部分。 第一部分具有面向前端面的倾斜表面。 第二部分位于倾斜表面和前端面之间，并且包括位于前端面中的第一端面和与倾斜表面接触的第二端面。 第二种金属材料的维氏硬度高于第一种金属材料。 第一部分具有等离子体激元部分。 前端面产生近场光。

    METHOD OF MANUFACTURING PLASMON GENERATOR
    7.
    发明申请
    METHOD OF MANUFACTURING PLASMON GENERATOR 有权
    制造等离子发生器的方法

    公开(公告)号：US20140298644A1

    公开(公告)日：2014-10-09

    申请号：US13856109

    申请日：2013-04-03

    申请人： Shigeki TANEMURA ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Seiichiro TOMITA

    发明人： Shigeki TANEMURA ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Seiichiro TOMITA

    IPC分类号： G11B5/84

    CPC分类号： G11B5/3163 ,  G11B5/314 ,  G11B5/6088 ,  G11B5/84 ,  G11B2005/0021 ,  Y10T29/49032

    摘要： A method of manufacturing a plasmon generator includes the steps of: an initial film made of a metal polycrystal and including a pre-plasmon-generator portion that later becomes the plasmon generator; heating the initial film with heating light so that a plurality of crystal grains constituting the metal polycrystal grow at least in the pre-plasmon-generator portion; stopping the heating of the initial film; and forming the plasmon generator by processing the initial film after the step of stopping the heating. The step of forming the plasmon generator includes the step of providing the pre-plasmon-generator portion with a front end face that generates near-field light.

    摘要翻译： 一种制造等离子体激元发生器的方法，包括以下步骤：由金属多晶体制成的初始膜，其中包括等离子体激元发生部分，其后来成为等离子体发生器; 用加热光加热初始膜，使得构成金属多晶的多个晶粒至少在前等离子体发生器部分中生长; 停止加热初始薄膜; 以及在停止加热的步骤之后通过加工初始膜来形成等离子体发生器。 形成等离子体发生器的步骤包括为等离子体激元发生器部分提供产生近场光的前端面的步骤。

    METHOD OF MANUFACTURING A NEAR-FIELD LIGHT GENERATOR INCLUDING A WAVEGUIDE AND A PLASMON GENERATOR
    9.
    发明申请
    METHOD OF MANUFACTURING A NEAR-FIELD LIGHT GENERATOR INCLUDING A WAVEGUIDE AND A PLASMON GENERATOR 有权
    一种包括波导和等离子发生器在内的近场光发生器的制造方法

    公开(公告)号：US20140291284A1

    公开(公告)日：2014-10-02

    申请号：US13851603

    申请日：2013-03-27

    申请人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Seiichiro TOMITA ,  Shigeki TANEMURA ,  Kazumasa YASUDA

    发明人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Seiichiro TOMITA ,  Shigeki TANEMURA ,  Kazumasa YASUDA

    IPC分类号： G02B6/122

    CPC分类号： G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： In a method of manufacturing a near-field light generator, a structure including a core and a polishing stopper layer disposed on the top surface of the core is formed on a first cladding layer. Next, a cladding material layer is formed to cover the first cladding layer and the structure. The cladding material layer is then polished until the polishing stopper layer is exposed. Next, the polishing stopper layer is removed so that the cladding material layer has a protruding portion protruding upward to a higher level than the top surface of the core. The cladding material layer is then polished so as to remove the protruding portion and thereby make the cladding material layer into a second cladding layer. Then, a third cladding layer and a plasmon generator are formed.

    摘要翻译： 在制造近场光发生器的方法中，在第一包层上形成包括设置在芯的顶表面上的芯和抛光阻挡层的结构。 接下来，形成包层材料层以覆盖第一包层和结构。 然后抛光包层材料层直到抛光停止层露出。 接下来，去除抛光停止层，使得包层材料层具有向上突出到比芯的顶表面更高的水平的突出部分。 然后对覆层材料层进行研磨以除去突出部分，从而使包层材料层成为第二覆层。 然后，形成第三包覆层和等离子体发生器。

    MULTILAYER PLASMON GENERATOR
    10.
    发明申请
    MULTILAYER PLASMON GENERATOR 有权
    多层等离子发生器

    公开(公告)号：US20140269237A1

    公开(公告)日：2014-09-18

    申请号：US13846278

    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： G11B13/04 ,  B23K10/00

    CPC分类号： B23K10/00 ,  G02B6/1226 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A plasmon generator has a front end face, a first metal layer, a second metal layer, and an intermediate layer. The front end face generates near-field light based on a surface plasmon. The intermediate layer is interposed between the first metal layer and the second metal layer. Each of the first metal layer, the second metal layer and the intermediate layer has an end located in the front end face. Each of the first and second metal layers is formed of a metal material. The intermediate layer is formed of a material higher in Vickers hardness than 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前端面，第一金属层，第二金属层和中间层。 前端面基于表面等离子体激发产生近场光。 中间层介于第一金属层和第二金属层之间。 第一金属层，第二金属层和中间层中的每一个具有位于前端面中的端部。 第一和第二金属层中的每一个由金属材料形成。 中间层由维氏硬度比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的材料形成。