公开(公告)号：US20140098441A1

公开(公告)日：2014-04-10

申请号：US13644903

申请日：2012-10-04

Applicant: TDK CORPORATION

Inventor： Masahiro SAITO ,  Norikazu OTA ,  Hiromichi UMEHARA ,  Masachika HASHINO

IPC: G11B5/147

CPC classification number: G11B5/147 ,  G11B5/1278 ,  G11B5/3116

Abstract: A perpendicular magnetic write head includes: a magnetic pole having an end surface exposed on an air bearing surface, and extending in a height direction perpendicular to the air bearing surface; a first yoke having an end surface exposed on the air bearing surface, and facing a forward section of the magnetic pole with a gap layer in between; a second yoke located behind the first yoke with an insulating layer in between in the height direction, and connected to a backward section of the magnetic pole; a shield connecting the first yoke to the second yoke; and an additional magnetic layer located behind a boundary between the first yoke and the insulating layer, and in contact with the first yoke.

Abstract translation: 垂直磁性写头包括：磁极，具有暴露在空气轴承表面上的端面，并且在垂直于空气轴承表面的高度方向上延伸; 第一磁轭，其端面暴露在空气轴承表面上，并且面对具有间隙层的磁极的前部; 位于第一磁轭后面的第二磁轭，其在高度方向之间具有绝缘层，并且连接到磁极的后部; 连接第一磁轭和第二磁轭的屏蔽件; 以及位于第一磁轭和绝缘层之间的边界后面并与第一磁轭接触的附加磁性层。

公开(公告)号：US20160225390A1

公开(公告)日：2016-08-04

申请号：US14608355

申请日：2015-01-29

Applicant: TDK CORPORATION

Inventor： Masahiro SAITO

IPC: G11B5/17 ,  G11B5/48

CPC classification number: G11B5/17 ,  G11B5/3123 ,  G11B5/314 ,  G11B5/4826 ,  G11B2005/0021

Abstract: A thermally-assisted magnetic recording head of the present invention includes: a stacked-layer structure including a first yoke, a second yoke, a first coil, a second coil, and a waveguide; a plasmon generator; a magnetic pole; and one or more contact pillars connecting the first coil in series to the second coil. Here, one or both of the first coil and the second coil include a plurality of wiring patterns connected in parallel.

Abstract translation: 本发明的热辅助磁记录头包括：包括第一磁轭，第二磁轭，第一线圈，第二线圈和波导的层叠结构; 等离子体发生器; 磁极 以及将第一线圈串联连接到第二线圈的一个或多个接触柱。 这里，第一线圈和第二线圈中的一个或两个包括并联连接的多个布线图案。

公开(公告)号：US20140160597A1

公开(公告)日：2014-06-12

申请号：US13708507

申请日：2012-12-07

Applicant: TDK CORPORATION

Inventor： Norikazu OTA ,  Masahiro SAITO ,  Taro OIKE ,  Takeo KAGAMI ,  Yosuke ANTOKU ,  Kenkichi ANAGAWA ,  Kenta HARA ,  Tetsuro SASAKI ,  Shingo MIYATA ,  Katsuki KURIHARA

IPC: G11B5/11

CPC classification number: G11B5/1278 ,  G11B5/3116 ,  G11B5/315

Abstract: A magnetic head includes a main pole, a write shield, and a return path section. The write shield includes first and second shield portions located on opposite sides of the main pole in the track width direction. The return path section includes first and second yoke portions located on opposite sides of the main pole in the track width direction. The first yoke portion is connected to the first shield portion. The second yoke portion is connected to the second shield portion. A coil surrounds at least part of the entire outer periphery of the main pole when viewed from a medium facing surface.

Abstract translation: 磁头包括主极，写屏蔽和返回路径部分。 写屏蔽包括位于主磁极在磁道宽度方向的相对侧上的第一和第二屏蔽部分。 返回路径部分包括在轨道宽度方向上位于主极的相对侧上的第一和第二轭部分。 第一磁轭部分连接到第一屏蔽部分。 第二磁轭部分连接到第二屏蔽部分。 当从面向介质的表面观察时，线圈围绕主极的整个外周的至少一部分。