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    Method of manufacturing a near-field light generator including a waveguide and a plasmon generator
    1.
    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。

    Method of manufacturing plasmon generator
    2.
    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。

    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。

    Magnetic head for perpendicular magnetic recording including angled side shield surfaces
    6.
    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。

    Magnetic head for perpendicular magnetic recording with a coil including two coil portions
    8.
    发明授权
    Magnetic head for perpendicular magnetic recording with a coil including two coil portions 有权
    用于具有包括两个线圈部分的线圈的垂直磁记录磁头

    公开(公告)号：US09495980B1

    公开(公告)日：2016-11-15

    申请号：US14886900

    申请日：2015-10-19

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Hironori Araki ,  Kazumasa Yasuda ,  Kenichi Takano

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Hironori Araki ,  Kazumasa Yasuda ,  Kenichi Takano

    IPC分类号： G11B5/127 ,  G11B5/39

    CPC分类号： G11B5/1278 ,  G11B5/3116 ,  G11B5/3123

    摘要： A magnetic head includes a coil, a main pole and a return path section. The return path section includes a yoke section, and a coupling section coupling the yoke section to the main pole. The coil includes a first coil portion surrounding at least part of an outer peripheral surface of the coupling section, and a second coil portion surrounding at least part of the entire perimeter of the main pole as viewed from the medium facing surface. The winding of the coil includes a common portion used in common to form part of the first coil portion and part of the second coil portion.

    摘要翻译： 磁头包括线圈，主极和返回路径部分。 返回通路部分包括轭部，以及将轭部连接到主极的耦合部。 线圈包括围绕耦合部分的外周表面的至少一部分的第一线圈部分和围绕从介质面向表面观察的主极的整个周边的至少一部分的第二线圈部分。 线圈的绕组包括共同使用的共同部分，以形成第一线圈部分的一部分和第二线圈部分的一部分。

    Magnetic head for perpendicular magnetic recording having two side shields
    9.
    发明授权
    Magnetic head for perpendicular magnetic recording having two side shields 有权
    用于垂直磁记录的磁头，具有两个侧面屏蔽

    公开(公告)号：US08767347B1

    公开(公告)日：2014-07-01

    申请号：US13903438

    申请日：2013-05-28

    申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Kazumasa Yasuda ,  Tatsuya Shimizu

    发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Kazumasa Yasuda ,  Tatsuya Shimizu

    IPC分类号： G11B5/147 ,  G11B5/187

    CPC分类号： G11B5/315 ,  G11B5/1278

    摘要： A main pole has an end face located in a medium facing surface, and first through sixth side surfaces. The first and third side surfaces are connected to the end face of the main pole. The second and fourth side surfaces are located farther from the medium facing surface than are the first and third side surfaces. The fifth side surface connects the first side surface to the second side surface. The sixth side surface connects the third side surface to the fourth side surface. The distance between the first side surface and the third side surface decreases with increasing proximity to the top surface of the substrate. The shape of the first side surface is defined by a first side shield. The shape of the third side surface is defined by a second side shield.

    摘要翻译： 主极具有位于面向介质的表面中的端面以及第一至第六侧表面。 第一和第三侧表面连接到主极的端面。 第二和第四侧表面比第一和第三侧表面更远离介质面对表面。 第五侧表面将第一侧表面连接到第二侧表面。 第六侧面将第三侧面与第四侧面连接。 第一侧表面和第三侧表面之间的距离随着靠近衬底顶表面的增加而减小。 第一侧面的形状由第一侧面屏蔽限定。 第三侧面的形状由第二侧面屏蔽限定。

    Magnetic head for perpendicular magnetic recording having a main pole and a shield
    10.
    发明授权
    Magnetic head for perpendicular magnetic recording having a main pole and a shield 有权
    用于垂直磁记录的磁头，具有主极和屏蔽

    公开(公告)号：US08295008B1

    公开(公告)日：2012-10-23

    申请号：US13189151

    申请日：2011-07-22

    申请人： Yoshitaka Sasaki ,  Kazuki Sato ,  Hiroyuki Ito ,  Kazumasa Yasuda ,  Atsushi Iijima

    发明人： Yoshitaka Sasaki ,  Kazuki Sato ,  Hiroyuki Ito ,  Kazumasa Yasuda ,  Atsushi Iijima

    IPC分类号： G11B5/127

    CPC分类号： G11B5/1278 ,  G11B5/3116 ,  G11B5/3133 ,  G11B5/315 ,  G11B5/3163 ,  G11B5/607

    摘要： A magnetic head includes a main pole, a write shield, and a gap part. The write shield includes first and second side shields and a top shield. The main pole has first and second side parts. The first side shield has a first sidewall. The second side shield has a second sidewall. The gap part includes a gap film and a nonmagnetic layer. The gap film is disposed to be in contact with the first and second sidewalls. The first side part has first and third side surfaces arranged in this order from the medium facing surface side. The second side part has second and fourth side surfaces arranged in this order from the medium facing surface side. The nonmagnetic layer is present between the third side surface and the first sidewall and between the fourth side surface and the second sidewall.

    摘要翻译： 磁头包括主极，写屏蔽和间隙部分。 写屏蔽包括第一和第二侧面屏蔽和顶部屏蔽。 主杆具有第一和第二侧面部分。 第一侧屏蔽件具有第一侧壁。 第二侧屏蔽件具有第二侧壁。 间隙部分包括间隙膜和非磁性层。 间隙膜设置成与第一和第二侧壁接触。 第一侧部具有从面向介质的表面侧依次排列的第一和第三侧面。 第二侧部具有从面向介质的表面侧依次排列的第二和第四侧面。 非磁性层存在于第三侧表面和第一侧壁之间以及第四侧表面和第二侧壁之间。