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    Method of manufacturing plasmon generator
    1.
    发明授权
    Method of manufacturing plasmon generator 有权
    等离子体发生器的制造方法

    公开(公告)号：US08454848B2

    公开(公告)日：2013-06-04

    申请号：US13235856

    申请日：2011-09-19

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Hironori Araki ,  Kazuki Sato ,  Kazumasa Yasuda

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Hironori Araki ,  Kazuki Sato ,  Kazumasa Yasuda

    IPC分类号： B29D11/00

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

    摘要： A method of manufacturing the plasmon generator includes the steps of: forming a base part made of a dielectric material; forming a metal film that is to later become the plasmon generator; and forming a filler layer made of a dielectric material. The base part includes a base surface and a protruding part that protrudes from the base surface. The protruding part has a top surface that is different in level from the base surface, and a first sidewall connecting the top surface of the protruding part to the base surface. The metal film includes an adhesion part adhering to the first sidewall. The filler layer has a second sidewall disposed such that the adhesion part is interposed between the first sidewall and the second sidewall.

    摘要翻译： 制造等离子体发生器的方法包括以下步骤：形成由电介质材料制成的基部; 形成以后成为等离子体发生器的金属膜; 并形成由介电材料制成的填充层。 基部包括基部表面和从基部表面突出的突出部分。 突出部分具有与基部表面不同的顶表面，以及将突出部分的顶表面连接到基部表面的第一侧壁。 金属膜包括附着在第一侧壁上的粘合部。 填料层具有第二侧壁，该第二侧壁设置成使得粘合部分插入在第一侧壁和第二侧壁之间。

    Magnetic head for perpendicular magnetic recording including angled side shield surfaces
    3.
    发明授权
    Magnetic head for perpendicular magnetic recording including angled side shield surfaces 有权
    用于垂直磁记录的磁头，包括成角度的侧屏蔽表面

    公开(公告)号：US09251812B2

    公开(公告)日：2016-02-02

    申请号：US14319681

    申请日：2014-06-30

    申请人： Yoshitaka Sasaki ,  Kazuki Sato ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Hironori Araki ,  Kazumasa Yasuda

    发明人： Yoshitaka Sasaki ,  Kazuki Sato ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Hironori Araki ,  Kazumasa Yasuda

    IPC分类号： G11B5/11 ,  G11B5/31 ,  G11B5/127 ,  G11B5/17

    CPC分类号： G11B5/1278 ,  G11B5/11 ,  G11B5/17 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/3163 ,  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。

    Thermally-assisted magnetic recording head including a shield
    4.
    发明授权
    Thermally-assisted magnetic recording head including a shield 有权
    热辅助磁记录头包括屏蔽

    公开(公告)号：US08493821B1

    公开(公告)日：2013-07-23

    申请号：US13622249

    申请日：2012-09-18

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazumasa Yasuda ,  Ryuji Fujii

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazumasa Yasuda ,  Ryuji Fujii

    IPC分类号： G11B11/00

    CPC分类号： G11B5/1278 ,  G11B5/314 ,  G11B5/3146 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A thermally-assisted magnetic recording head includes: a main pole having an end face located in a medium facing surface; a waveguide; a plasmon generator having a near-field light generating part located in the medium facing surface; and a shield located on the rear side in the direction of travel of a recording medium with respect to the main pole. The shield has an end face located in the medium facing surface and lying on the rear side in the direction of travel of the recording medium with respect to the end face of the main pole. The end face of the main pole and the end face of the shield are at a distance of 50 to 300 nm from each other. The near-field light generating part is located between the end face of the main pole and the end face of the shield in the medium facing surface.

    摘要翻译： 一种热辅助磁记录头，包括：主极，其具有位于介质面对表面中的端面; 波导; 等离子体发生器，其具有位于所述介质面对表面中的近场光产生部; 以及位于记录介质相对于主极的行进方向的后侧的屏蔽。 屏蔽件具有位于介质相对表面上的端面，并且位于记录介质相对于主极端面的行进方向的后侧。 主极的端面和屏蔽的端面相距50〜300nm。 近场光产生部位于介质面对面的主极的端面与屏蔽的端面之间。

    Thermally-assisted magnetic recording head having dual heat sink layers
    5.
    发明授权
    Thermally-assisted magnetic recording head having dual heat sink layers 有权
    具有双重散热层的热辅助磁记录头

    公开(公告)号：US08456968B1

    公开(公告)日：2013-06-04

    申请号：US13402276

    申请日：2012-02-22

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazumasa Yasuda ,  Ryuji Fujii

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazumasa Yasuda ,  Ryuji Fujii

    IPC分类号： G11B11/00

    CPC分类号： G11B5/3136 ,  G11B5/1278 ,  G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    摘要： A thermally-assisted magnetic recording head includes: a main pole and a plasmon generator disposed to align along the direction of travel of a recording medium; a first heat sink layer having two portions that are located on opposite sides of the plasmon generator in the track width direction; a second heat sink layer having two portions that are located on opposite sides of the main pole in the track width direction; and a nonmagnetic layer disposed between the plasmon generator and the main pole. The first and second heat sink layers are each made of SiC or AlN. The nonmagnetic layer is made of a material that is lower in thermal conductivity at 25° C. than alumina.

    摘要翻译： 热辅助磁记录头包括：主极和等离子体激元发生器，被设置为沿着记录介质的行进方向排列; 第一散热层，其具有沿轨道宽度方向位于等离子体发生器的相对侧上的两个部分; 第二散热层，其具有沿着所述轨道宽度方向位于所述主极的相对侧上的两个部分; 以及设置在等离子体激元发生器和主极之间的非磁性层。 第一和第二散热层各自由SiC或AlN制成。 非磁性层由氧化铝在25℃导热率较低的材料制成。

    Method of manufacturing a near-field light generator including a waveguide and a plasmon generator
    6.
    发明授权
    Method of manufacturing a near-field light generator including a waveguide and a plasmon generator 有权
    一种制造包括波导和等离子体发生器的近场光发生器的方法

    公开(公告)号：US08900466B2

    公开(公告)日：2014-12-02

    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： B29D11/00 ,  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。

    Thermally-assisted magnetic recording head having expanded near-field light generating layer and method of manufacture
    9.
    发明授权
    Thermally-assisted magnetic recording head having expanded near-field light generating layer and method of manufacture 有权
    具有扩展的近场光产生层的热辅助磁记录头及其制造方法

    公开(公告)号：US08619518B1

    公开(公告)日：2013-12-31

    申请号：US13586351

    申请日：2012-08-15

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazuki Sato ,  Ryuji Fujii

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Hironori Araki ,  Shigeki Tanemura ,  Kazuki Sato ,  Ryuji Fujii

    IPC分类号： G11B11/00

    CPC分类号： G11B5/6088 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/3163 ,  G11B2005/0021

    摘要： A thermally assisted magnetic head includes a main magnetic pole layer, a near-field light generating layer having a generating end part generating near-field light arranged within a medium-opposing surface, and an optical waveguide guiding light to the near-field light generating layer. The optical waveguide has a waveguide end face arranged within the medium-opposing surface and an upper end face on a side closer to the main magnetic pole layer. The thermally assisted magnetic head has an interposed layer which is in direct contact with an outer surface of the optical waveguide. The near-field light generating layer has a near-field light generating part having the generating end part and an expanded part connected with the near-field light generating part. The expanded part has a base part arranged above the upper end face of the optical waveguide and extended base part connected with the base part.

    摘要翻译： 一种热辅助磁头包括主磁极层，具有产生在介质相对表面内布置的近场光的产生端部分的近场光产生层和将光引导到近场光产生 层。 光波导具有布置在介质相对表面内的波导端面和更靠近主磁极层的一侧的上端面。 热辅助磁头具有与光波导的外表面直接接触的中间层。 近场光产生层具有具有发光端部的近场光产生部和与近场光产生部连接的扩展部。 扩展部具有布置在光波导的上端面上方的基部和与基部连接的延伸基部。

    Magnetic head for perpendicular magnetic recording having a bottom shield including a base part and a protruding part
    10.
    发明授权
    Magnetic head for perpendicular magnetic recording having a bottom shield including a base part and a protruding part 有权
    用于垂直磁记录的磁头，其具有包括基部和突出部分的底部屏蔽

    公开(公告)号：US08587899B1

    公开(公告)日：2013-11-19

    申请号：US13594411

    申请日：2012-08-24

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Hironori Araki ,  Shigeki Tanemura ,  Tatsuya Shimizu

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Hironori Araki ,  Shigeki Tanemura ,  Tatsuya Shimizu

    IPC分类号： G11B5/127 ,  G11B5/187

    CPC分类号： G11B5/3116 ,  G11B5/1278

    摘要： A magnetic head includes a coil, a main pole, a write shield, and a return path section. The write shield includes a bottom shield located on the rear side in the direction of travel of a recording medium relative to the main pole. The return path section is located on the rear side in the direction of travel of the recording medium relative to the main pole and connects the bottom shield and part of the main pole away from a medium facing surface so as to define a space through which part of the coil passes. The return path section is not exposed in the medium facing surface. The bottom shield includes a base part, and a protruding part protruding from the base part toward the main pole. The base part is greater than the protruding part in length in a direction perpendicular to the medium facing surface.

    摘要翻译： 磁头包括线圈，主极，写入屏蔽和返回路径部分。 写入屏蔽包括位于记录介质相对于主极的行进方向的后侧的底部屏蔽。 返回路径部分位于记录介质相对于主极的行进方向的后侧，并将底部屏蔽和主极的一部分远离介质面向表面，以便限定空间 的线圈通过。 返回路径部分不会暴露在面向介质的表面中。 底罩包括基部和从基部向主极突出的突出部。 在垂直于与介质相对表面的方向上，基部的长度大于突出部分。