公开(公告)号：US09030776B1

公开(公告)日：2015-05-12

申请号：US14107714

申请日：2013-12-16

Applicant: Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Shigeki Tanemura ,  Yukinori Ikegawa ,  Hironori Araki ,  Tatsuya Shimizu

Inventor： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Shigeki Tanemura ,  Yukinori Ikegawa ,  Hironori Araki ,  Tatsuya Shimizu

IPC: G11B5/39 ,  G11B5/11 ,  G11B5/17

CPC classification number: G11B5/11 ,  G11B5/17 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/3143 ,  G11B5/315

Abstract: A magnetic head includes a main pole, a write shield, and first and second nonmagnetic layers. The main pole has a top surface including an inclined surface portion. The inclined surface portion includes a first portion and a second portion, the first portion being closer to a medium facing surface. The write shield includes an inclined portion facing toward the top surface of the main pole. The first nonmagnetic layer is interposed between the inclined portion and the second portion of the inclined surface portion. The second nonmagnetic layer is interposed between the inclined portion and a combination of the first portion of the inclined surface portion and the first nonmagnetic layer.

Abstract translation: 磁头包括主极，写屏蔽以及第一和第二非磁性层。 主极具有包括倾斜表面部分的顶表面。 倾斜表面部分包括第一部分和第二部分，第一部分更靠近介质面向表面。 写入屏蔽包括面向主极的顶表面的倾斜部分。 第一非磁性层插入倾斜部分和倾斜表面部分的第二部分之间。 第二非磁性层介于倾斜部分和倾斜表面部分的第一部分与第一非磁性层的组合之间。

公开(公告)号：US08896966B2

公开(公告)日：2014-11-25

申请号：US13866852

申请日：2013-04-19

Applicant: HGST Netherlands B.V.

Inventor： Edward Hin Pong Lee ,  Aron Pentek

IPC: G11B5/147

CPC classification number: G11B5/17 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/3163 ,  Y10T29/4906

Abstract: Approaches for a magnetic write head having an adjacent coil architecture, wherein a coil turn is fabricated immediately adjacent to the writer main pole. The adjacent coil portion essentially lies on the main pole, except for a very thin layer of insulation atomically layered in between. The adjacent coil portion is also substantially closer to the wrap-around shield in comparison with conventional coil configurations. Further, the other upper coil portions may be fabricated to essentially lie on the stitch pole, again except for a very thin atomic layer deposited layer of insulation layered between. This adjacent coil configuration provides a writer coil configuration that concentrates the coil structure significantly closer to the main pole surface, as well as concentrates more of the coil structure closer to the main pole tip, providing for a more efficient and faster write head.

Abstract translation: 具有相邻线圈架构的磁写头的方法，其中线圈匝紧紧地靠近写入器主极制造。 相邻的线圈部分基本上位于主极上，除了绝缘层之间非常薄的绝缘层之外。 与常规的线圈构造相比，相邻的线圈部分也基本上更接近环绕的屏蔽。 此外，另外的上部线圈部分可以被制造为基本上位于线圈极上，除了在其之间分层的绝缘体的非常薄的原子层沉积层之外。 这种相邻的线圈配置提供了一种写入器线圈配置，其将线圈结构集中到显着更靠近主极表面，并且将更多的线圈结构集中到更靠近主极尖端，从而提供更有效和更快速的写头。

公开(公告)号：US20140334030A1

公开(公告)日：2014-11-13

申请号：US14340979

申请日：2014-07-25

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Tomoko TAGUCHI ,  Yusuke TOMODA

IPC: G11B5/31 ,  G11B19/247 ,  G11B5/127

CPC classification number: G11B5/3116 ,  G11B5/1278 ,  G11B5/3123 ,  G11B19/247 ,  G11B2005/0024

Abstract: According to one embodiment, a recording head includes a main pole, a trailing shield including a first connecting portion and a second connecting portion, and configured to form together with the main pole a first magnetic core, a leading shield including a first connecting portion connected to the main pole through a magnetic material and an end portion opposing to the end portion of the main pole through a non-magnetic material, and configured to form together with the main pole a second magnetic core, and first and second coils wound around the first and second magnetic cores, and a connection terminal configured to flow a current through the main pole, non-magnetic conductive layer, and trailing shield.

Abstract translation: 根据一个实施例，记录头包括主极，后屏蔽，包括第一连接部分和第二连接部分，并且被配置为与主极一起形成第一磁芯，前导屏蔽包括连接到第一连接部分的第一连接部分 通过非磁性材料通过磁性材料和与主极端部相对的端部连接到主极，并且被配置为与主极一起形成第二磁芯，以及缠绕在主极上的第一和第二线圈 第一和第二磁芯，以及被配置为使电流流经主极，非磁性导电层和后屏蔽的连接端子。

公开(公告)号：US08842388B2

公开(公告)日：2014-09-23

申请号：US12380302

申请日：2009-02-25

Applicant: Atsushi Kato ,  Ichiro Oodake ,  Gen Oikawa ,  Masahiko Soga

Inventor： Atsushi Kato ,  Ichiro Oodake ,  Gen Oikawa ,  Masahiko Soga

IPC: G11B5/127 ,  G11B5/17 ,  G11B5/31 ,  B05D5/12

CPC classification number: G11B5/1278 ,  G11B5/17 ,  G11B5/3123 ,  G11B5/315 ,  G11B5/3163

Abstract: Embodiments of the present invention provide a perpendicular magnetic recording head including a coil having small resistance. According to one embodiment, a nonmagnetic insulating layer formed on a main magnetic pole and a magnetic yoke are etched to form a recessed portion. The thickness of a conductive layer is increased by the depth of the recessed portion in a process for forming the conductive layer of the upper coil on the recessed portion to reduce resistance of the coil. Simultaneously with the formation of the recessed portion, a part of a second layer of a connection tab is removed. Simultaneously with the formation of the conductive layer of the upper coil, a space in which the part of the second layer of the connection tab is removed is filled with the same material as that of the conductive layer to further reduce the resistance of the entire coil.

Abstract translation: 本发明的实施例提供一种包括具有小电阻的线圈的垂直磁记录头。 根据一个实施例，蚀刻形成在主磁极和磁轭上的非磁性绝缘层以形成凹部。 在用于在凹部上形成上部线圈的导电层的工艺中，导电层的厚度增加了凹陷部分的深度，以降低线圈的电阻。 在形成凹部的同时，除去连接片的第二层的一部分。 与上层线圈的导电层的形成同时，除去连接片的第二层的一部分的空间填充有与导电层相同的材料，以进一步降低整个线圈的电阻 。

公开(公告)号：US08780497B2

公开(公告)日：2014-07-15

申请号：US13493652

申请日：2012-06-11

Applicant: Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Seiichiro Tomita ,  Hironori Araki ,  Tatsuya Shimizu

Inventor： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Seiichiro Tomita ,  Hironori Araki ,  Tatsuya Shimizu

IPC: G11B5/17

CPC classification number: G11B5/17 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3123

Abstract: A magnetic head includes first and second coils, a main pole, a write shield, a return path section, and a core part. The return path section includes a yoke part magnetically connected to the write shield, and a coupling part located away from a medium facing surface and magnetically coupling the yoke part and the main pole to each other. The first coil is located on the front side in the direction of travel of a recording medium relative to the main pole and wound around the coupling part. The core part is located farther from the medium facing surface than is the coupling part, and is magnetically connected to the main pole. The second coil is located on the front side in the direction of travel of the recording medium relative to the main pole and wound around the core part.

Abstract translation: 磁头包括第一和第二线圈，主极，写入屏蔽，返回路径部分和核心部分。 返回路径部包括磁性地连接到写入屏蔽的轭部，以及远离介质面的表面并且将轭部和主极彼此磁耦合的耦合部。 第一线圈位于记录介质相对于主极的行进方向的前侧，并缠绕在联接部上。 核心部分位于与介质相对表面比耦合部分更远的位置，并且与主极磁性连接。 第二线圈位于记录介质相对于主极的行进方向的前侧，并缠绕在芯部上。

公开(公告)号：US20140177083A1

公开(公告)日：2014-06-26

申请号：US13722724

申请日：2012-12-20

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Kevin Richard Heim ,  Kirill A. Rivkin ,  Eric Meloche ,  John Wolf

IPC: G11B5/09

CPC classification number: G11B5/012 ,  G11B5/02 ,  G11B5/3123

Abstract: A writer assembly having two separately driven write coils allows a combined write field generated by the writer assembly to be fine turned and optimized for a particular application. Two preamplifiers may be incorporated into a printed circuit board in order to separately drive the write coils. In other implementations, there may be more than two write coils and corresponding preamplifiers.

Abstract translation: 具有两个单独驱动的写入线圈的写入器组件允许由写入器组件生成的组合写入字段对于特定应用进行精细转换和优化。 为了单独驱动写入线圈，可以将两个前置放大器并入到印刷电路板中。 在其他实现中，可以存在多于两个的写入线圈和相应的前置放大器。

公开(公告)号：US08619509B1

公开(公告)日：2013-12-31

申请号：US13569408

申请日：2012-08-08

Applicant: Kirill Aleksandrovich Rivkin ,  Mourad Benakli ,  Ned Tabat

Inventor： Kirill Aleksandrovich Rivkin ,  Mourad Benakli ,  Ned Tabat

IPC: G11B11/00

CPC classification number: G11B5/1871 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/314 ,  G11B13/045 ,  G11B2005/0021 ,  Y10T29/49032

Abstract: In an example, a method comprises aligning a central axis of a paddle portion on a write pole circuit to be substantially perpendicular to an adjacent magnetic surface, and bending a central axis of an extended tip portion relative to the central axis of the paddle portion. In another example, a transducer head comprises a write pole circuit having a paddle portion with a central axis, and an extended tip portion with a central axis, the central axis of the extended tip portion angled from the central axis of the paddle portion. In another example, a magnetic circuit comprises a write pole circuit having a paddle portion and an extended tip portion, the extended tip portion bending away from a central axis of the paddle portion, and a coil wrapping around the extended tip portion.

公开(公告)号：US20130329319A1

公开(公告)日：2013-12-12

申请号：US13493652

申请日：2012-06-11

Applicant: Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Seiichiro TOMITA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

Inventor： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Seiichiro TOMITA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

IPC: G11B5/17

CPC classification number: G11B5/17 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3123

Abstract: A magnetic head includes first and second coils, a main pole, a write shield, a return path section, and a core part. The return path section includes a yoke part magnetically connected to the write shield, and a coupling part located away from a medium facing surface and magnetically coupling the yoke part and the main pole to each other. The first coil is located on the front side in the direction of travel of a recording medium relative to the main pole and wound around the coupling part. The core part is located farther from the medium facing surface than is the coupling part, and is magnetically connected to the main pole. The second coil is located on the front side in the direction of travel of the recording medium relative to the main pole and wound around the core part.

Abstract translation: 磁头包括第一和第二线圈，主极，写入屏蔽，返回路径部分和核心部分。 返回路径部包括磁性地连接到写入屏蔽的轭部，以及远离介质面的表面并且将轭部和主极彼此磁耦合的耦合部。 第一线圈位于记录介质相对于主极的行进方向的前侧，并缠绕在联接部上。 核心部分位于与介质相对表面比耦合部分更远的位置，并且与主极磁性连接。 第二线圈位于记录介质相对于主极的行进方向的前侧，并缠绕在芯部上。

公开(公告)号：US08547659B1

公开(公告)日：2013-10-01

申请号：US13103872

申请日：2011-05-09

Applicant: Zhigang Bai ,  Zhanjie Li ,  Sharat Batra

Inventor： Zhigang Bai ,  Zhanjie Li ,  Sharat Batra

IPC: G11B5/127 ,  G11B5/17

CPC classification number: G11B5/3116 ,  G11B5/17 ,  G11B5/3123

Abstract: A method and system for providing a magnetic recording head is described. The magnetic recording head has an air-bearing surface (ABS) configured to reside in proximity to a media during use. The head includes a first coil, a second coil, a main pole, and a third coil. The first coil has a first plurality of turns and is configured to carry a first write current in a first direction. The second coil has a second plurality of turns and is configured to carry a second write current in a second direction. The main pole is between the first coil and the second coil. The third coil has a third plurality of turns configured to carry a third write current in a third direction.

Abstract translation: 描述了一种用于提供磁记录头的方法和系统。 磁记录头具有在使用期间被配置为驻留在介质附近的空气轴承表面（ABS）。 头包括第一线圈，第二线圈，主极和第三线圈。 第一线圈具有第一多个匝并且被配置为沿第一方向承载第一写入电流。 第二线圈具有第二多个匝，并被配置为在第二方向上承载第二写入电流。 主极在第一线圈和第二线圈之间。 第三线圈具有构造为在第三方向上承载第三写入电流的第三多个匝。

公开(公告)号：US08526138B2

公开(公告)日：2013-09-03

申请号：US13601936

申请日：2012-08-31

Applicant: Robert Glenn Biskeborn ,  Philipp Herget

Inventor： Robert Glenn Biskeborn ,  Philipp Herget

IPC: G11B5/187

CPC classification number: G11B5/00826 ,  G11B5/3123

Abstract: A magnetic head in one embodiment includes a pole; a first write gap in the pole; a first coil for generating a magnetic flux across the first write gap; a second write gap in the pole having at least a portion thereof aligned with the first write gap in a direction parallel to a direction of media travel thereover; and a second coil for generating a magnetic flux across the second write gap, the second coil being addressable independently of the first coil. A method in one embodiment includes forming a first write coil; forming a first write gap; forming a second write gap; forming a second coil for generating a magnetic flux across the second write gap, the second coil being addressable independently of the first coil; and forming one or more write poles, wherein a write pole region adjacent the first and second write gaps is formed concurrently.

Abstract translation: 一个实施例中的磁头包括极; 极点的第一个写入间隙 用于产生穿过所述第一写入间隙的磁通量的第一线圈; 所述极中的第二写入间隙具有至少一部分与所述第一写入间隙平行于其上的介质传播方向的方向; 以及用于在所述第二写入间隙上产生磁通的第二线圈，所述第二线圈可独立于所述第一线圈寻址。 一个实施例中的方法包括形成第一写入线圈; 形成第一写入间隙; 形成第二写入间隙; 形成用于在所述第二写入间隙上产生磁通量的第二线圈，所述第二线圈可独立于所述第一线圈寻址; 并且形成一个或多个写入极，其中与第一和第二写入间隙相邻的写入磁极区域同时形成。