公开(公告)号：US6111723A

公开(公告)日：2000-08-29

申请号：US84321

申请日：1998-05-26

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5/11 ,  G11B5/127 ,  G11B5/187 ,  G11B5/31 ,  G11B5/39

CPC分类号： G11B5/3903 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967 ,  G11B5/112

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, the present invention discloses a composite magnetic head characterized in that part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 的介质和导体，并且设置在磁阻头附近以及支撑这些磁头的基板上，本发明公开了一种复合磁头，其特征在于，包括磁头构成部件的浮动面的一部分 具有凹槽，并且来自介质的读/写操作由这些凹槽插入的部分实现。

公开(公告)号：US20060152862A1

公开(公告)日：2006-07-13

申请号：US11371244

申请日：2006-03-09

申请人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

发明人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

IPC分类号： G11B5/33

CPC分类号： G11B5/398 ,  B82Y10/00 ,  B82Y25/00 ,  G01R33/093 ,  G11B5/3903 ,  G11B5/3909 ,  G11B5/3929 ,  G11B5/3967 ,  G11B2005/0002 ,  G11B2005/0016 ,  G11B2005/3996 ,  H01F10/324 ,  H01F10/3254 ,  H01F10/3268 ,  H01L43/08 ,  Y10T29/49032 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49155

摘要： The magnetoresistance effect element is of a multilayered structure having at least magnetic layers and an intermediate layer of an insulating material, a semiconductor or an antiferromagnetic material against the magnetic layers, and the magnetoresistance effect element has terminals formed at least on the opposite magnetic layers, respectively, so that a current flows in the intermediate layer. The film surfaces of all the magnetic layers constituting the magnetoresistance effect element are opposed substantially at right angles to the recording surface of a magnetic recording medium. Therefore, the area of the magnetic layers facing the recording surface of the magnetic recording medium can be extremely reduced, and thus the magnetic field from a very narrow region of the high-density recorded magnetic recording medium can be detected by the current which has a tunneling characteristic and passes through the intermediate layer.

摘要翻译： 磁阻效应元件是至少具有磁性层和抵抗磁性层的绝缘材料，半导体或反铁磁材料的中间层的多层结构，并且磁阻效应元件至少在相对的磁性层上形成端子， 从而电流在中间层中流动。 构成磁阻效应元件的所有磁性层的膜表面基本上与磁记录介质的记录表面成直角相对。 因此，能够极大地降低与磁记录介质的记录面对置的磁性层的面积，因此能够通过电流检测来自高密度记录磁记录介质的非常窄的区域的磁场 穿透特性，穿过中间层。

公开(公告)号：US5850326A

公开(公告)日：1998-12-15

申请号：US192794

申请日：1994-02-07

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5/11 ,  G11B5/127 ,  G11B5/187 ,  G11B5/31 ,  G11B5/39 ,  G11B5/147

CPC分类号： G11B5/3903 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967 ,  G11B5/112

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 并且设置在磁阻头附近的基板和支撑这些磁头的基板，包括磁头构成部件在内的浮动表面的一部分具有凹部和从/ 介质由插入这些凹部的部分实现。

公开(公告)号：US5168409A

公开(公告)日：1992-12-01

申请号：US476787

申请日：1990-02-08

申请人： Naoki Koyama ,  Hisashi Takano ,  Eijin Moriwaki ,  Kazuo Shiiki

发明人： Naoki Koyama ,  Hisashi Takano ,  Eijin Moriwaki ,  Kazuo Shiiki

IPC分类号： G11B5/265 ,  G11B5/31 ,  G11B5/39

CPC分类号： G11B5/3967 ,  G11B5/31 ,  G11B5/3153

摘要： The magnetic layer of a head structure can satisfy the characteristics of both the magnetic shield layer and magnetic pole layer for recording by bringing the combined upper part and lower part of the magnetic layer respectively into conformity with the widths necessary for the shield layer and for the magnetic pole, e.g., specifically, by disposing a taper or more specifically a step shape to the section of the magnetic layer to have the dimension of the upper part of the magnetic layer different from that of the lower part. The width of the magnetic layer facing one of the recording magnetic poles can be brought into conformity with the track width. Accordingly, the flux at the time of a write operation concentrates on the track width portion and hence, side writing of the recording head can be reduced. On the other hand, the width of the magnetic head on the opposed side to the magnetoresistive sensor can be extended sufficiently to fully cover the sensor. For this reason, the noise picked up by the magnetoresistive sensor resulting from the signal flux from the adjacent tracks can be reduced.

摘要翻译： 头部结构的磁性层可以通过使磁性层的组合上部和下部分别与屏蔽层所需的宽度相符合而满足磁屏蔽层和磁极层两者的记录特性， 磁极，例如具体地通过将锥形或更具体的台阶形状设置在磁性层的部分上，使得磁性层的上部的尺寸与下部的尺寸不同。 可以使面向磁记录磁极之一的磁性层的宽度与磁道宽度一致。 因此，写入操作时的磁通集中在磁道宽度部分上，因此可以减小记录头的侧面写入。 另一方面，与磁阻传感器相对的一侧的磁头的宽度能够被充分地延伸以完全覆盖传感器。 因此，可以减少由相邻轨道的信号通量产生的磁阻传感器拾取的噪声。

公开(公告)号：US06839200B2

公开(公告)日：2005-01-04

申请号：US10687754

申请日：2003-10-20

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5/11 ,  G11B5/127 ,  G11B5/187 ,  G11B5/31 ,  G11B5/39

CPC分类号： G11B5/3903 ,  G11B5/112 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, the present invention discloses a composite magnetic head characterized in that part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 的介质和导体，并且设置在磁阻头附近以及支撑这些磁头的基板上，本发明公开了一种复合磁头，其特征在于，包括磁头构成部件的浮动面的一部分 具有凹槽，并且来自介质的读/写操作由这些凹槽插入的部分实现。

公开(公告)号：US06665141B2

公开(公告)日：2003-12-16

申请号：US10340785

申请日：2003-01-13

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5187

CPC分类号： G11B5/3903 ,  G11B5/112 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, the present invention discloses a composite magnetic head characterized in that part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 的介质和导体，并且设置在磁阻头附近以及支撑这些磁头的基板上，本发明公开了一种复合磁头，其特征在于，包括磁头构成部件的浮动面的一部分 具有凹槽，并且来自介质的读/写操作由这些凹槽插入的部分实现。

公开(公告)号：US06278578B1

公开(公告)日：2001-08-21

申请号：US09598493

申请日：2000-06-22

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5187

CPC分类号： G11B5/3903 ,  G11B5/112 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, the present invention discloses a composite magnetic head characterized in that part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 的介质和导体，并且设置在磁阻头附近以及支撑这些磁头的基板上，本发明公开了一种复合磁头，其特征在于，包括磁头构成部件的浮动面的一部分 具有凹槽，并且来自介质的读/写操作由这些凹槽插入的部分实现。

公开(公告)号：US07054120B2

公开(公告)日：2006-05-30

申请号：US10700500

申请日：2003-11-05

申请人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

发明人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

IPC分类号： G11B5/39

CPC分类号： G11B5/398 ,  B82Y10/00 ,  B82Y25/00 ,  G01R33/093 ,  G11B5/3903 ,  G11B5/3909 ,  G11B5/3929 ,  G11B5/3967 ,  G11B2005/0002 ,  G11B2005/0016 ,  G11B2005/3996 ,  H01F10/324 ,  H01F10/3254 ,  H01F10/3268 ,  H01L43/08 ,  Y10T29/49032 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49155

摘要： The magnetoresistance effect element is of a multilayered structure having at least magnetic layers and an intermediate layer of an insulating material, a semiconductor or an antiferromagnetic material against the magnetic layers, and the magnetoresistance effect element has terminals formed at least on the opposite magnetic layers, respectively, so that a current flows in the intermediate layer. The film surfaces of all the magnetic layers constituting the magnetoresistance effect element are opposed substantially at right angles to the recording surface of a magnetic recording medium. Therefore, the area of the magnetic layers facing the recording surface of the magnetic recording medium can be extremely reduced, and thus the magnetic field from a very narrow region of the high-density recorded magnetic recording medium can be detected by the current which has a tunneling characteristic and passes through the intermediate layer.

摘要翻译： 磁阻效应元件是至少具有磁性层和抵抗磁性层的绝缘材料，半导体或反铁磁材料的中间层的多层结构，并且磁阻效应元件至少在相对的磁性层上形成端子， 使得电流在中间层中流动。 构成磁阻效应元件的所有磁性层的膜表面基本上与磁记录介质的记录表面成直角相对。 因此，能够极大地降低与磁记录介质的记录面对置的磁性层的面积，因此能够通过电流检测来自高密度记录磁记录介质的非常窄的区域的磁场 穿透特性，穿过中间层。

公开(公告)号：US06307707B1

公开(公告)日：2001-10-23

申请号：US09598492

申请日：2000-06-22

申请人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

发明人： Hisashi Takano ,  Naoki Koyama ,  Hideo Tanabe ,  Eijin Moriwaki ,  Isamu Yuito ,  Kazuo Shiiki ,  Tsuyoshi Ohnishi ,  Tohru Ishitani ,  Toshio Kobayashi ,  Hideo Todokoro ,  Chiaki Ishikawa

IPC分类号： G11B5147

CPC分类号： G11B5/3903 ,  G11B5/112 ,  G11B5/1278 ,  G11B5/1871 ,  G11B5/3103 ,  G11B5/3106 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/3967

摘要： In a composite magnetic head comprising a magnetoresistive read head including a magnetic thin film having a magnetoresistive effect and soft magnetic members interposing the soft magnetic film between them through a non-magnetic insulation layer, an induction type write head including poles formed in a moving direction of a medium and a conductor crossing the poles, and disposed in the proximity of the magnetoresistive head, and a substrate supporting these heads, the present invention discloses a composite magnetic head characterized in that part of a floating surface inclusive of the magnetic head constituent members has recesses and the read/write operations to and from the medium are effected by the portion interposed by these recesses.

摘要翻译： 在包括具有磁阻效应的磁性薄膜的磁阻读头的复合磁头和通过非磁性绝缘层将它们插入在它们之间的软磁性部件的感应型写头，包括在移动方向上形成的磁极 的介质和导体，并且设置在磁阻头附近以及支撑这些磁头的基板上，本发明公开了一种复合磁头，其特征在于，包括磁头构成部件的浮动面的一部分 具有凹槽，并且来自介质的读/写操作由这些凹槽插入的部分实现。

公开(公告)号：US06278593B1

公开(公告)日：2001-08-21

申请号：US09468309

申请日：1999-12-21

申请人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

发明人： Ryoichi Nakatani ,  Masahiro Kitada ,  Naoki Koyama ,  Isamu Yuito ,  Hisashi Takano ,  Eijin Moriwaki ,  Mikio Suzuki ,  Masaaki Futamoto ,  Fumio Kugiya ,  Yoshibumi Matsuda ,  Kazuo Shiiki ,  Yoshinori Miyamura ,  Kyo Akagi ,  Takeshi Nakao ,  Hirotsugu Fukuoka ,  Takayuki Munemoto ,  Tokuho Takagaki ,  Toshio Kobayashi ,  Hideo Tanabe ,  Noboru Shimizu

IPC分类号： G11B539

CPC分类号： G11B5/398 ,  B82Y10/00 ,  B82Y25/00 ,  G01R33/093 ,  G11B5/3903 ,  G11B5/3909 ,  G11B5/3929 ,  G11B5/3967 ,  G11B2005/0002 ,  G11B2005/0016 ,  G11B2005/3996 ,  H01F10/324 ,  H01F10/3254 ,  H01F10/3268 ,  H01L43/08 ,  Y10T29/49032 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49155

摘要： The magnetoresistance effect element is of a multilayered structure having at least magnetic layers and an intermediate layer of an insulating material, a semicondutor or an antiferromagnetic material against the magnetic layers, and the magneto-resistance effect element has terminals formed at least on the opposite magnetic layers, respectively, so that a current flows in the intermediate layer. The film surfaces of all the magnetic layers constituting the magnetoresistance effect element are opposed substantially at right angles to the recording surface of a magnetic recording medium. Therefore, the area of the magnetic layers facing the recording surface of the magnetic recording medium can be extremely reduced, and thus the magnetic field from a very narrow region of the high-density recorded magnetic recording medium can be detected by the current which has a tunneling characteristic and passes through the intermediate layer.

摘要翻译： 磁阻效应元件是至少具有磁性层和抵抗磁性层的绝缘材料，半导体或反铁磁材料的中间层的多层结构，并且磁阻效应元件具有至少形成在相对的磁体上的端子 层，使得电流在中间层中流动。 构成磁阻效应元件的所有磁性层的膜表面基本上与磁记录介质的记录表面成直角相对。 因此，能够极大地降低与磁记录介质的记录面对置的磁性层的面积，因此能够通过电流检测来自高密度记录磁记录介质的非常窄的区域的磁场 穿透特性，穿过中间层。