公开(公告)号：US09773514B2

公开(公告)日：2017-09-26

申请号：US13035219

申请日：2011-02-25

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

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

IPC分类号： G11B5/40 ,  G11B5/31 ,  G11B5/60 ,  G11B5/11 ,  G11B5/127 ,  G11B5/187

CPC分类号： G11B5/40 ,  G11B5/11 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/315 ,  G11B5/607 ,  G11B5/6076

摘要： A magnetic head for perpendicular magnetic recording includes a read head unit, a write head unit disposed forward of the read head unit along the direction of travel of a recording medium, a heater that generates heat for causing the medium facing surface to protrude in part, an expansion layer that makes part of the medium facing surface protrude, and a sensor that detects contact of the part of the medium facing surface with the recording medium. The write head unit includes a main pole, a write shield, and a return path section. The return path section includes a yoke layer located backward of the main pole along the direction of travel of the recording medium, a first coupling part that couples the yoke layer and the write shield to each other, and a second coupling part that is located away from the medium facing surface and couples the yoke layer and the main pole to each other.

公开(公告)号：US08922948B2

公开(公告)日：2014-12-30

申请号：US12118259

申请日：2008-05-09

申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuo Ishizaki ,  Atsushi Iijima

发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuo Ishizaki ,  Atsushi Iijima

IPC分类号： G11B5/17 ,  G11B5/31 ,  G11B5/127

CPC分类号： G11B5/3133 ,  G11B5/1278 ,  G11B5/3146

摘要： A thin-film magnetic head is constructed such that a main magnetic pole layer having a magnetic pole end face on a side of a medium-opposing surface opposing a recording medium, a write shield layer opposing the main magnetic pole layer on the medium-opposing surface side, a gap layer formed between the main magnetic pole layer and write shield layer, and a thin-film coil wound about the write shield layer or main magnetic pole layer are laminated on a substrate. This thin-film coil has a plurality of turn parts arranged at respective positions having different distances from the medium-opposing surface, while a non-expandable part made of an insulating material having a coefficient of thermal expansion smaller than that of a photosensitive resin is formed between the turn parts.

摘要翻译： 薄膜磁头被构造成使得在与介质相对的介质相对表面的侧面上具有磁极端面的主磁极层，与介质相对的主磁极层相对的写入屏蔽层 在主磁极层和写入屏蔽层之间形成的间隙层和缠绕在写入屏蔽层或主磁极层上的薄膜线圈层叠在基板上。 该薄膜线圈具有多个匝部，其布置在与中等相对表面不同距离的各个位置，而由热膨胀系数小于感光性树脂的绝缘材料制成的不可扩张部分是 形成在转弯部分之间。

公开(公告)号：US08896967B2

公开(公告)日：2014-11-25

申请号：US13084168

申请日：2011-04-11

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

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

IPC分类号： G11B5/187 ,  G11B5/31 ,  G11B5/127 ,  G11B5/60

CPC分类号： G11B5/315 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/607

摘要： A magnetic head includes a coil, a main pole, a write shield, and first and second yoke layers. The first and second yoke layers are magnetically connected to the write shield and aligned along the direction of travel of a recording medium such that the main pole is interposed therebetween. The coil includes a winding portion of planar spiral shape that is formed in one or more layers. The magnetic head further includes: a first coupling part located away from the medium facing surface and magnetically coupling the main pole and the second yoke layer to each other; and a second coupling part located away from the medium facing surface and magnetically coupling the first yoke layer and the second yoke layer to each other without touching the main pole. The winding portion is wound around the first coupling part, and a part of the winding portion passes between the first and second coupling parts.

摘要翻译： 磁头包括线圈，主极，写入屏蔽以及第一和第二磁轭层。 第一和第二磁轭层磁性地连接到写入屏蔽并沿着记录介质的行进方向对准，使得主极插入其间。 线圈包括形成为一层或多层的平面螺旋形状的绕组部分。 磁头还包括：第一耦合部件，其远离介质面对表面并将主极和第二磁轭层彼此磁耦合; 以及第二耦合部件，其远离所述介质面对表面并且将所述第一磁轭层和所述第二磁轭层磁耦合到彼此而不接触所述主极。 卷绕部缠绕在第一连接部上，卷绕部的一部分在第一和第二连接部之间通过。

公开(公告)号：US08749919B2

公开(公告)日：2014-06-10

申请号：US12964345

申请日：2010-12-09

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

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

IPC分类号： G11B5/127

CPC分类号： G11B5/1278 ,  G11B5/3116

摘要： A magnetic head includes a shield, and first and second return path sections. The shield has an end face that is located in a medium facing surface to wrap around an end face of a main pole. The shield includes a bottom shield, two side shields, and a top shield. The first return path section is magnetically connected to the bottom shield and is greater than the bottom shield in length in a direction perpendicular to the medium facing surface. The second return path section magnetically couples the top shield and the main pole to each other. The coil includes a first portion that passes through a space defined by the main pole and the first return path section, and a second portion that passes through a space defined by the main pole and the second return path section.

摘要翻译： 磁头包括屏蔽，以及第一和第二返回路径部分。 屏蔽件具有位于面向介质的表面中以围绕主极端面的端面。 屏蔽包括底部屏蔽，两个侧面屏蔽和顶部屏蔽。 第一返回路径部分磁性地连接到底部屏蔽件并且在垂直于介质面向表面的方向上大于底部屏蔽件的长度。 第二返回路径部分将顶部屏蔽和主极彼此磁耦合。 线圈包括穿过由主极和第一返回路径部分限定的空间的第一部分和穿过由主极和第二返回路径部分限定的空间的第二部分。

公开(公告)号：US08659166B2

公开(公告)日：2014-02-25

申请号：US12949279

申请日：2010-11-18

申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Atsushi Iijima

发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Atsushi Iijima

IPC分类号： H01L23/52 ,  H01L21/768

CPC分类号： H01L25/0657 ,  H01L21/76232 ,  H01L24/24 ,  H01L24/82 ,  H01L24/95 ,  H01L25/18 ,  H01L25/50 ,  H01L2224/03 ,  H01L2224/05554 ,  H01L2224/0556 ,  H01L2224/24101 ,  H01L2224/24145 ,  H01L2224/25175 ,  H01L2224/8385 ,  H01L2224/94 ,  H01L2225/06513 ,  H01L2225/06517 ,  H01L2225/06551 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01082 ,  H01L2924/014 ,  H01L2924/07802 ,  H01L2924/14 ,  H01L2924/00 ,  H01L2224/05552

摘要： A memory device has a laminated chip package and a controller chip. In the laminated chip package, a plurality of memory chips are laminated. An interposed chip is laminated between the laminated chip package and the controller chip. The memory chips have a plurality of first wiring electrodes. The interposed chip has a plurality of second wiring electrodes. The second wiring electrodes are formed with a common arrangement pattern common with an arrangement pattern of a plurality of wiring electrodes for controller which are formed in the controller chip. The controller chip is laid on the interposed chip.

摘要翻译： 存储器件具有层叠芯片封装和控制芯片。 在层叠芯片封装中，层叠多个存储芯片。 在层压芯片封装和控制器芯片之间层压插入的芯片。 存储芯片具有多个第一布线电极。 插入的芯片具有多个第二布线电极。 第二布线电极形成有与形成在控制器芯片中的多个用于控制器的布线电极的布置图案相同的共同布置图案。 控制器芯片放置在插入的芯片上。

公开(公告)号：US08498080B2

公开(公告)日：2013-07-30

申请号：US13035234

申请日：2011-02-25

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

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

IPC分类号： G11B5/17 ,  G11B5/187

CPC分类号： G11B5/1278 ,  G11B5/314 ,  G11B5/315 ,  G11B5/40 ,  G11B5/607 ,  G11B5/6076

摘要： A magnetic head includes a main pole, a write shield, a return path section, a heater that generates heat for making part of a medium facing surface protrude, and a sensor that detects contact of the part of the medium facing surface with a recording medium. The return path section includes: a yoke layer located backward of the main pole along the direction of travel of the recording medium; a first coupling part coupling the yoke layer and the write shield to each other; and a second coupling part located away from the medium facing surface and coupling the yoke layer and the main pole to each other. The first coupling part has an end face facing toward the yoke layer. This end face includes a middle portion spaced from the yoke layer and facing the yoke layer, and two side portions located on opposite sides of the middle portion in a track width direction and in contact with the yoke layer. The sensor is located between the middle portion and the yoke layer.

摘要翻译： 磁头包括主极，写屏蔽，返回路径部分，产生用于使介质面向表面的一部分突出的热量的加热器，以及传感器，其检测介质面向表面的一部分与记录介质的接触 。 返回路径部分包括：沿着记录介质的行进方向位于主极后方的轭层; 耦合所述轭层和所述写屏蔽的第一耦合部分; 以及第二联接部件，其远离所述介质面对表面并且将所述轭层和所述主极彼此耦合。 第一联接部分具有面向轭层的端面。 该端面包括与磁轭层间隔开并面对磁轭层的中间部分，以及位于轨道宽度方向上与中间部分相对侧并与磁轭层接触的两个侧部。 传感器位于中间部分和轭层之间。

公开(公告)号：US20130155550A1

公开(公告)日：2013-06-20

申请号：US13328431

申请日：2011-12-16

申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Kazuki Sato ,  Atsushi Iijima

发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Shigeki Tanemura ,  Kazuki Sato ,  Atsushi Iijima

IPC分类号： G11B5/187 ,  G11B5/127 ,  G11B5/48 ,  G11B5/17 ,  G11B5/31

CPC分类号： G11B5/1278 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/3133 ,  G11B5/3136 ,  G11B5/315 ,  G11B5/607

摘要： A thin-film magnetic head is constructed such that a main magnetic pole layer, a write shield layer, a gap layer, and a thin-film coil are laminated on a substrate. The thin-film magnetic head has a shield magnetic layer. The shield magnetic layer has a leading shield part. The leading shield part is disposed on a substrate side of the main magnetic pole layer. The leading shield part has a variable distance structure in which a rearmost part most distanced from the medium-opposing surface is distanced more from the main magnetic pole layer than is a foremost part on the main magnetic pole layer side.

摘要翻译： 薄膜磁头被构造为使得主磁极层，写入屏蔽层，间隙层和薄膜线圈层叠在基板上。 薄膜磁头具有屏蔽磁性层。 屏蔽磁性层具有前导屏蔽部分。 前导屏蔽部分设置在主磁极层的基板侧。 前导屏蔽部分具有可变的距离结构，其中最远离介质相对表面的最远部分比主磁极层侧的最前部更远离主磁极层。

公开(公告)号：US20130038966A1

公开(公告)日：2013-02-14

申请号：US13208980

申请日：2011-08-12

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

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

IPC分类号： G11B5/17 ,  H04R31/00

CPC分类号： G11B5/17 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/3146 ,  G11B5/315 ,  Y10T29/49021

摘要： A magnetic head includes: a main pole; a coil; a first shield having an end face that is located in a medium facing surface at a position forward of an end face of the main pole along a direction of travel of a recording medium; and a first return path section disposed forward of the main pole along the direction of travel of the recording medium. The first return path section connects part of the main pole away from the medium facing surface to the first shield so that a first space is defined. The coil includes a first portion having a planar spiral shape and wound around a core part of the first return path section. The first portion includes first and second coil elements that each extend through the first space. No part of the coil other than the first and second coil elements exists in the first space.

摘要翻译： 磁头包括：主极; 线圈 第一屏蔽，其具有端面，所述端面沿着记录介质的行进方向位于所述主极端面的前端的位置处于介质相对表面; 以及第一返回路径部分，其沿着记录介质的行进方向设置在主极的前方。 第一返回路径部分将主极的远离介质面的表面连接到第一屏蔽，从而限定第一空间。 线圈包括具有平面螺旋形状并缠绕在第一返回路径部分的芯部分上的第一部分。 第一部分包括每个延伸穿过第一空间的第一和第二线圈元件。 除了第一和第二线圈元件之外，第一空间中不存在线圈的一部分。

公开(公告)号：US08358487B2

公开(公告)日：2013-01-22

申请号：US12984793

申请日：2011-01-05

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

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

IPC分类号： G11B5/17

CPC分类号： G11B5/1278 ,  G11B5/3123 ,  G11B5/4853 ,  Y10T29/49021

摘要： A thin-film magnetic head is constructed such that a main magnetic pole layer, a write shield layer, a gap layer, and a thin-film coil are laminated on a substrate. The thin-film coil has a coil-layer. The coil-layer has a turn part arranged closer to an ABS than is a rear end part of the main magnetic pole layer farthest from the ABS. Regarding a substrate side coil-layer, arranged between the main magnetic pole layer and the substrate, of the coil-layer, a thickness of a non-corresponding magnetic pole part other than a magnetic pole corresponding part corresponding to an arrangement space of the main magnetic pole layer is larger than a thickness of the magnetic pole corresponding part.

摘要翻译： 薄膜磁头被构造为使得主磁极层，写入屏蔽层，间隙层和薄膜线圈层叠在基板上。 薄膜线圈具有线圈层。 线圈层具有比离ABS最远的主磁极层的后端部更接近ABS的转向部。 关于配置在主磁极层和基板之间的线圈层的基板侧线圈层，除了与主体的配置空间对应的磁极对应部分以外的非对应磁极部的厚度 磁极层比磁极对应部分的厚度大。

公开(公告)号：US08300357B1

公开(公告)日：2012-10-30

申请号：US13310193

申请日：2011-12-02

申请人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Shigeki Tanemura ,  Hironori Araki ,  Atsushi Iijima

发明人： Yoshitaka Sasaki ,  Hiroyuki Ito ,  Kazuki Sato ,  Shigeki Tanemura ,  Hironori Araki ,  Atsushi Iijima

IPC分类号： G11B5/147

CPC分类号： G11B5/3116 ,  G11B5/1278 ,  G11B5/3123 ,  G11B5/315

摘要： A magnetic head includes first and second coils, a main pole, a first shield, and first and second return path sections. The first shield and the first return path section are located forward of the main pole in the direction of travel of the recording medium. The first return path section connects the main pole and the first shield so that a first space is defined. The second return path section is located backward of the main pole in the direction of travel of the recording medium so that a second space is defined. The first coil includes at least one first coil element passing through the first space. The second coil includes a plurality of second coil elements passing through the second space. The at least one first coil element is smaller in number than the second coil elements.

摘要翻译： 磁头包括第一和第二线圈，主极，第一屏蔽以及第一和第二返回路径部分。 第一屏蔽和第一返回路径部位在记录介质的行进方向上位于主极的前方。 第一返回路径部分连接主极和第一屏蔽，以便限定第一空间。 第二返回路径部分在记录介质的行进方向上位于主极的后方，从而限定第二空间。 第一线圈包括穿过第一空间的至少一个第一线圈元件。 第二线圈包括穿过第二空间的多个第二线圈元件。 所述至少一个第一线圈元件的数量小于所述第二线圈元件。