公开(公告)号：US20150262594A1

公开(公告)日：2015-09-17

申请号：US14204020

申请日：2014-03-11

申请人： TDK Corporation

发明人： Susumu AOKI ,  Takafumi KOBAYASHI ,  Ryo HOSOI ,  Kei HIRATA

IPC分类号： G11B5/48 ,  G11B5/245

CPC分类号： G11B5/6088 ,  G11B5/11 ,  G11B5/1278 ,  G11B5/187 ,  G11B5/314 ,  G11B2005/0021

摘要： The thermally assisted recording head of the present invention has a near field light (NF light) generator that includes a generator end surface facing an air bearing surface (ABS), that generates an NF light on the generator end surface, and that irradiates a magnetic recording medium with the NF light; a main magnetic pole that includes a main magnetic pole end surface facing the ABS and positioned in the vicinity of the generator end surface, and that emits a magnetic flux to the magnetic recording medium from the main magnetic pole end surface; and a return shield that includes a shield end surface facing the ABS and positioned in the vicinity of the generator end surface, that is magnetically linked with the main magnetic pole, and that absorbs a magnetic flux returning from the magnetic recording medium at the shield end surface. The main magnetic pole end surface and the shield end surface are positioned on the same side with respect to the generator end surface in the down track direction, and are positioned in the vicinity of each other in the track crossing direction, and a center line extending in the down track direction of the generator end surface extends between the opposing sides of the main magnetic pole end surface and the shield end surface.

摘要翻译： 本发明的热辅助记录头具有近场光（NF光）发生器，其包括面向空气轴承面（ABS）的发生器端面，其在发电机端面上产生NF光，并且照射磁性 具有NF光的记录介质; 主磁极，其包括面向所述ABS并且位于所述发电机端面附近的主磁极端面，并且从所述主磁极端面向所述磁记录介质发射磁通量; 以及返回屏蔽，其包括面向ABS的屏蔽端面并位于与主磁极磁性连接的发电机端面附近，并且吸收从磁记录介质在屏蔽端返回的磁通量 表面。 主磁极端面和屏蔽端面相对于发生器端面位于沿着轨道方向的同一侧，并且在轨道交叉方向上位于彼此附近，并且中心线延伸 在发电机端面的向下轨道方向上在主磁极端面和屏蔽端面的相对侧之间延伸。

公开(公告)号：US20140241136A1

公开(公告)日：2014-08-28

申请号：US13774521

申请日：2013-02-22

申请人： C/O TDK CORPORATION

发明人： Takeshi TSUTSUMI ,  Ryo HOSOI ,  Tetsuya ROPPONGI ,  Kosuke TANAKA

IPC分类号： G11B13/08

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

摘要： A plasmon generator of a thermally-assisted magnetic recording head has a first configuration member having a near-field light generation end surface at an ABS, and a second configuration member being in contact with main magnetic pole, and terminating at a front end portion of a slope positioned at the position recessed from the ABS. An end part of a separator layer, which is interposed between the main magnetic pole and the first configuration member, on a side opposite to the ABS is at a position more recessed from the air bearing surface than the front end portion of the slope of the second configuration member.

摘要翻译： 热辅助磁记录头的等离子体发生器具有在ABS处具有近场光产生端面的第一构造构件和与主磁极接触的第二构造构件，并且终止于 位于从ABS凹陷的位置的斜面。 介于主磁极和第一构造构件之间的分隔层的与ABS相反的一侧的端部处于比空气轴承表面更凹下的位置，该位置比斜边的前端部 第二配置成员。