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51. 发明授权

US08169741B2 Perpendicular magnetic recording head with side shield and magnetic disk apparatus 有权
标题翻译：垂直磁记录头带侧面屏蔽和磁盘设备
公开(公告)号：US08169741B2
公开(公告)日：2012-05-01
申请号：US11797447
申请日：2007-05-03
申请人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
发明人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
IPC分类号： G11B5/127
CPC分类号： G11B5/3143 , G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： According to one embodiment, a perpendicular magnetic recording head includes a main pole which generates a recording magnetic field, a return pole which forms a closed magnetic circuit for the recording magnetic field, and a side shield magnetically spaced from the main pole in a cross-track direction in which a point on a trailing edge of the side shield which is closest to the main pole is positioned on a leading side of a trailing edge of the main pole.
摘要翻译：根据一个实施例，垂直磁记录头包括产生记录磁场的主极，形成用于记录磁场的闭合磁路的返回极，以及在横截面中与主极磁隔离的侧屏蔽，轨道方向，其中最靠近主极的侧护板的后缘上的点位于主杆的后缘的前侧。

52. 发明申请

US20070279810A1 Current-perpendicular-to-plane magnetic head and magnetic disk apparatus using the same 审中-公开
标题翻译：电流 - 垂直于平面的磁头和使用其的磁盘装置
公开(公告)号：US20070279810A1
公开(公告)日：2007-12-06
申请号：US11806360
申请日：2007-05-31
申请人： Tomomi Funayama , Katsuhiko Koui
发明人： Tomomi Funayama , Katsuhiko Koui
IPC分类号： G11B5/127
CPC分类号： G11B5/3932 , B82Y10/00 , B82Y25/00 , G11B2005/3996
摘要： According to one embodiment, a current-perpendicular-to-plane magnetic head includes a magnetoresistive film including a pinned layer, an intermediate layer and a free layer, a pair of magnetic shields serving as electrodes provided over and under the magnetoresistive film, and a pair of biasing films provided on both sides of the magnetoresistive film through an insulating film, in which an angle θ between a magnetization direction of the pinned layer and a magnetization direction of the free layer is set to 5°≦θ
摘要翻译：根据一个实施例，电流 - 垂直于平面的磁头包括包括被钉扎层，中间层和自由层的磁阻膜，用作设置在磁阻膜上和下的电极的一对磁屏蔽，以及通过绝缘膜在磁阻膜的两侧设置一对偏置膜，其中被钉扎层的磁化方向与自由层的磁化方向之间的角度θ被设定为5°<θ<90°，或者在零外部场处将偏置点设置为5％<= BP <50％。

53. 发明授权

US08315015B2 Perpendicular magnetic recording head provided with side shield and magnetic disk apparatus using the same 有权
标题翻译：具有侧面屏蔽的垂直磁记录头和使用其的磁盘装置
公开(公告)号：US08315015B2
公开(公告)日：2012-11-20
申请号：US13431004
申请日：2012-03-27
申请人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
发明人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
IPC分类号： G11B5/127
CPC分类号： G11B5/3143 , G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： According to one embodiment, a perpendicular magnetic recording head includes a main pole which generates a recording magnetic field, a return pole which forms a closed magnetic circuit for the recording magnetic field, and a side shield magnetically spaced from the main pole in a cross-track direction in which a point on a trailing edge of the side shield which is closest to the main pole is positioned on a leading side of a trailing edge of the main pole.
摘要翻译：根据一个实施例，垂直磁记录头包括产生记录磁场的主极，形成用于记录磁场的闭合磁路的返回极，以及在横截面中与主极磁隔离的侧屏蔽，轨道方向，其中最靠近主极的侧护板的后缘上的点位于主杆的后缘的前侧。

54. 发明申请

US20120182646A1 PERPENDICULAR MAGNETIC RECORDING HEAD AND MAGNETIC DISK APPARATUS 有权
标题翻译：全磁性记录头和磁盘设备
公开(公告)号：US20120182646A1
公开(公告)日：2012-07-19
申请号：US13431004
申请日：2012-03-27
申请人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
发明人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
IPC分类号： G11B5/127 , G11B5/54 , G11B5/11
CPC分类号： G11B5/3143 , G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： According to one embodiment, a perpendicular magnetic recording head includes a main pole which generates a recording magnetic field, a return pole which forms a closed magnetic circuit for the recording magnetic field, and a side shield magnetically spaced from the main pole in a cross-track direction in which a point on a trailing edge of the side shield which is closest to the main pole is positioned on a leading side of a trailing edge of the main pole.
摘要翻译：根据一个实施例，垂直磁记录头包括产生记录磁场的主极，形成用于记录磁场的闭合磁路的返回极，以及在横截面中与主极磁隔离的侧屏蔽，轨道方向，其中最靠近主极的侧护板的后缘上的点位于主杆的后缘的前侧。

55. 发明申请

US20070268626A1 Perpendicular magnetic recording head and magnetic disk apparatus 有权
标题翻译：垂直磁记录头和磁盘设备
公开(公告)号：US20070268626A1
公开(公告)日：2007-11-22
申请号：US11797447
申请日：2007-05-03
申请人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
发明人： Tomoko Taguchi , Tomomi Funayama , Yuka Aoyagi , Katsuhiko Koui
IPC分类号： G11B5/147
CPC分类号： G11B5/3143 , G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： According to one embodiment, a perpendicular magnetic recording head includes a main pole which generates a recording magnetic field, a return pole which forms a closed magnetic circuit for the recording magnetic field, and a side shield magnetically spaced from the main pole in a cross-track direction in which a point on a trailing edge of the side shield which is closest to the main pole is positioned on a leading side of a trailing edge of the main pole.
摘要翻译：根据一个实施例，垂直磁记录头包括产生记录磁场的主极，形成用于记录磁场的闭合磁路的返回极，以及在横截面中与主极磁隔离的侧屏蔽，轨道方向，其中最靠近主极的侧护板的后缘上的点位于主杆的后缘的前侧。

56. 发明申请

US20060209472A1 Magnetoresistive device, magnetic reproducing head, and magnetic information reproducing apparatus 有权
公开(公告)号：US20060209472A1
公开(公告)日：2006-09-21
申请号：US11370185
申请日：2006-03-08
申请人： Katsuhiko Koui , Kohichi Tateyama , Tomomi Funayama , Koichi Kubo , Hitoshi Iwasaki , Hideaki Fukuzawa
发明人： Katsuhiko Koui , Kohichi Tateyama , Tomomi Funayama , Koichi Kubo , Hitoshi Iwasaki , Hideaki Fukuzawa
IPC分类号： G11B5/127 , G11B5/33
CPC分类号： G11B5/398 , B82Y10/00 , B82Y25/00 , G11B5/3929 , H01L43/08
摘要： A magnetoresistive device includes a magnetoresistive film and a pair of electrodes for applying a sense current substantially perpendicularly to the magnetoresistive film. The magnetoresistive film includes a magnetization pinned film including a first ferromagnetic layer having a magnetization direction substantially pinned in one direction, a magnetization free film including a second ferromagnetic layer whose magnetization direction changes in accordance with an external magnetic field applied thereto, an intermediate layer formed between the magnetization pinned film and the magnetization free film and having an insulating film and a metal conduction portion extending in the film thickness direction of the insulating film, and a layer containing an electrovalent or covalent compound formed near the metal conduction portion.

57. 发明授权

US07514916B2 CCP-CPP-GMR head assembly, magnetic recording/reproducing apparatus, and specification method of appropriate sense current direction of CCP-CPP-GMR head 失效
标题翻译： CCP-CPP-GMR头组件，磁记录/再现装置以及CCP-CPP-GMR头适当感应电流方向的规范方法
公开(公告)号：US07514916B2
公开(公告)日：2009-04-07
申请号：US11834855
申请日：2007-08-07
申请人： Tomomi Funayama , Kohichi Tateyama , Masayuki Takagishi
发明人： Tomomi Funayama , Kohichi Tateyama , Masayuki Takagishi
IPC分类号： G01R33/09 , G11B5/39
CPC分类号： G11B5/1272 , G11B5/33 , G11B5/39
摘要： Disclosed is a CCP-CPP-GMR head assembly which has: a CCP-CPP-GMR head that includes at least a current control layer having as a microstructure a plurality of truncated cone electric conductors with axes the same as a current direction and an insulator filling between the plurality of truncated cone electric conductors, and in which a surface on which a larger-area basal plane of the plurality of truncated cone electric conductors is greater in number is a first surface of the current control layer and a surface of an opposite side of the first surface is a second surface of the current control layer; and a sense current source providing the CCP-CPP-GMR head with a sense current that flows from the second surface to the first surface, a magnetic recording/reproducing apparatus having such a head, and a specification method of an appropriate sense current direction of the CCP-CPP-GMR head.
摘要翻译：公开了一种CCP-CPP-GMR头组件，其具有：CCP-CPP-GMR头，其至少包括具有作为微结构的电流控制层，多个具有与电流方向相同的轴的截头锥形电导体和绝缘体多个截锥形电导体之间的填充，其中多个截锥形电导体的较大面积的基面在其上较大的表面是电流控制层的第一表面和相反的表面第一表面的一侧是电流控制层的第二表面; 以及感测电流源，为CCP-CPP-GMR头提供从第二表面流向第一表面的感测电流，具有这种头的磁记录/再现装置，以及适当的感应电流方向的指定方法 CCP-CPP-GMR头。

58. 发明授权

US06724582B2 Current perpendicular to plane type magnetoresistive device, magnetic head, and magnetic recording/reproducing apparatus 有权
标题翻译：电流垂直于平面型磁阻器件，磁头和磁记录/重放装置
公开(公告)号：US06724582B2
公开(公告)日：2004-04-20
申请号：US10050543
申请日：2002-01-18
申请人： Tomomi Funayama , Masayuki Takagishi , Masatoshi Yoshikawa , Kohichi Tateyama
发明人： Tomomi Funayama , Masayuki Takagishi , Masatoshi Yoshikawa , Kohichi Tateyama
IPC分类号： G11B539
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3903 , G11B5/3909 , G11B5/3932 , G11B2005/3996 , H01L43/08
摘要： A current perpendicular to plane type magnetoresistive device has a magnetoresistive film, a pair of electrodes which allow a sense current to flow through the magnetoresistive film in a perpendicular direction to the plane thereof, and a biasing film which imparts a biasing magnetic field to the magnetoresistive film in a parallel direction to film plane. The direction of the magnetic field generated by the sense current flowing through the magnetoresistive film in the perpendicular direction to film plane is made substantially anti-parallel to the direction of the biasing magnetic field in a vicinity of a portion of the magnetoresistive film where a signal magnetic flux is introduced.
摘要翻译：垂直于平面型磁阻器件的电流具有磁阻膜，一对电极，其允许感测电流沿垂直于其平面的方向流过磁阻膜;以及偏置膜，其向磁阻施加偏置磁场胶片平行于胶片平面。由磁阻膜在垂直于膜平面的方向上流过的感测电流产生的磁场的方向与磁阻膜的一部分附近的偏置磁场的方向基本反平行，其中信号引入磁通量。

59. 发明授权

US07304825B2 CCP-CCP-GMR head assembly with good operating life, and magnetic recording/reproducing apparatus therewith 有权
标题翻译： CCP-CCP-GMR头组件，具有良好的使用寿命，以及磁记录/再现装置
公开(公告)号：US07304825B2
公开(公告)日：2007-12-04
申请号：US10985886
申请日：2004-11-12
申请人： Tomomi Funayama , Kohichi Tateyama , Masayuki Takagishi
发明人： Tomomi Funayama , Kohichi Tateyama , Masayuki Takagishi
IPC分类号： G11B5/39
CPC分类号： G11B5/1272 , G11B5/33 , G11B5/39
摘要： Disclosed is a CCP-CPP-GMR head assembly which has: a CCP-CPP-GMR head that includes at least a current control layer having as a microstructure a plurality of truncated cone electric conductors with axes the same as a current direction and an insulator filling between the plurality of truncated cone electric conductors, and in which a surface on which a larger-area basal plane of the plurality of truncated cone electric conductors is greater in number is a first surface of the current control layer and a surface of an opposite side of the first surface is a second surface of the current control layer; and a sense current source providing the CCP-CPP-GMR head with a sense current that flows from the second surface to the first surface, a magnetic recording/reproducing apparatus having such a head, and a specification method of an appropriate sense current direction of the CCP-CPP-GMR head.
摘要翻译：公开了一种CCP-CPP-GMR头组件，其具有：CCP-CPP-GMR头，其至少包括具有作为微结构的电流控制层，多个具有与电流方向相同的轴的截头锥形电导体和绝缘体多个截锥形电导体之间的填充，其中多个截锥形电导体的较大面积的基面在其上较大的表面是电流控制层的第一表面和相反的表面第一表面的一侧是电流控制层的第二表面; 以及感测电流源，为CCP-CPP-GMR头提供从第二表面流向第一表面的感测电流，具有这种头的磁记录/再现装置，以及适当的感应电流方向的指定方法 CCP-CPP-GMR头。

60. 发明授权

US07277262B2 CPP magnetoresistive head including a pair of shields and a sense current preamplifier 失效
标题翻译： CPP磁阻头包括一对屏蔽和感测电流前置放大器
公开(公告)号：US07277262B2
公开(公告)日：2007-10-02
申请号：US10932338
申请日：2004-09-02
申请人： Masayuki Takagishi , Tomomi Funayama , Yoichiro Tanaka
发明人： Masayuki Takagishi , Tomomi Funayama , Yoichiro Tanaka
IPC分类号： G11B5/39
CPC分类号： G11B5/3912
摘要： A magnetic recording/reproducing apparatus has a magnetoresistive head having a magnetoresistive film through which a current is flowed in a direction substantially perpendicular to a film plane and a pair of magnetic shields disposed to sandwich the magnetoresistive film, and a preamplifier which supplies a sense current to the magnetoresistive head in constant-current driving.
摘要翻译：磁记录/再现装置具有磁阻头，该磁阻头具有磁阻膜，电流沿着基本上垂直于膜平面的方向流动，一对磁屏蔽设置成夹在磁阻膜上，前置放大器提供感测电流到恒流驱动中的磁阻头。

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