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    Thermally-assisted magnetic recording head having expanded near-field light generating layer and method of manufacture
    26.
    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
    27.
    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。

    Method of manufacturing plasmon generator
    28.
    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。