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11. 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。

12. 发明申请

US20090080106A1 Magnetic head and magnetic recording device 审中-公开
标题翻译：磁头和磁记录装置
公开(公告)号：US20090080106A1
公开(公告)日：2009-03-26
申请号：US12232469
申请日：2008-09-17
申请人： Mariko Shimizu , Hitoshi Iwasaki , Kenichiro Yamada , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita
发明人： Mariko Shimizu , Hitoshi Iwasaki , Kenichiro Yamada , Junichi Akiyama , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita
IPC分类号： G11B21/02 , G11B5/127
CPC分类号： G11B5/314 , G11B2005/0005 , G11B2005/0024
摘要： It is made possible to restrict the variation of the oscillation frequency of a spin torque oscillator placed in the vicinity of the recording magnetic pole. A magnetic head includes: a recording magnetic pole to generate a recording magnetic field; a spin torque oscillator formed in the vicinity of the recording magnetic pole; and a magnetic field applying unit configured to apply a magnetic field to the spin torque oscillator. The magnetic field applied to the spin torque oscillator by the magnetic field applying unit is perpendicular to a recording magnetic field generated from the recording magnetic pole.
摘要翻译：可以限制放置在记录磁极附近的自旋扭矩振荡器的振荡频率的变化。磁头包括：记录磁极，用于产生记录磁场; 形成在记录磁极附近的自旋转矩振荡器; 以及磁场施加单元，被配置为向所述自旋转矩振荡器施加磁场。通过磁场施加单元施加到自旋扭矩振荡器的磁场垂直于从记录磁极产生的记录磁场。

13. 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％。

14. 发明申请

US20060221484A1 Magnetic disk apparatus 审中-公开
标题翻译：磁盘装置
公开(公告)号：US20060221484A1
公开(公告)日：2006-10-05
申请号：US11384266
申请日：2006-03-21
申请人： Tomomi Funayama
发明人： Tomomi Funayama
IPC分类号： G11B5/03
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3929 , G11B2005/0016 , G11B2005/3996
摘要： A magnetic disk apparatus with a magnetic disk medium capable of recording data magnetically, comprises a current perpendicular to plane magnetic reproducing head which includes a magnetoresistive effect element composed of a plurality of magnetic films stacked one on top of another and causes sense current to flow in the direction perpendicular to the stacked faces of the plurality of magnetic films, a high-pass filter which suppresses the low-frequency component of a reproduced signal output from the magnetic reproducing head, and a reproduced-signal processing section which reproduces the data from the reproduced signal which has the low-frequency component suppressed.
摘要翻译：具有能够磁性地记录数据的磁盘介质的磁盘装置包括垂直于平面磁性再现头的电流，该电流包括由多个磁性膜组成的磁阻效应元件，所述多个磁性膜层叠在一起，并使感测电流流入垂直于多个磁性膜的层叠面的方向，抑制从磁再现头输出的再现信号的低频分量的高通滤波器，以及再现信号处理部，再生信号处理部抑制低频成分的再生信号。

15. 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。

16. 发明授权

US06483673B1 Differential detection magnetoresistance head with laminated structure 失效
标题翻译：差分检测磁阻头与层叠结构
公开(公告)号：US06483673B1
公开(公告)日：2002-11-19
申请号：US09085101
申请日：1998-05-28
申请人： Hitoshi Iwasaki , Yuichi Ohsawa , Reiko Kondoh , Yuzo Kamiguchi , Susumu Hashimoto , Tomomi Funayama , Hiromi Fuke , Junichi Akiyama , Kazuhiro Saito
发明人： Hitoshi Iwasaki , Yuichi Ohsawa , Reiko Kondoh , Yuzo Kamiguchi , Susumu Hashimoto , Tomomi Funayama , Hiromi Fuke , Junichi Akiyama , Kazuhiro Saito
IPC分类号： G11B539
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/1278 , G11B5/3903 , G11B5/3954 , G11B2005/0029 , G11B2005/3996
摘要： A GMR element part is formed of a laminated structure which comprises at least one pair of ferromagnetic layers and a nonmagnetic intermediate layer interposed between the pair of ferromagnetic layers. Signal magnetic field detecting ferromagnetic layers will be optionally disposed one each outside the pair of ferromagnetic layers. The GMR element part consists of a laminated structure which is provided with one pair of GMR ferromagnetic layers opposed to each other across a nonmagnetic intermediate layer or a laminated structure which is provided with one pair of GMR ferromagnetic layer opposed to each other across a nonmagnetic intermediate layer and at least one low-permeability ferromagnetic layer disposed there between through the medium of a nonmagnetic intermediate layer. The GMR element part functions as a read head for sensing the resistance which is varied when signal magnetic fields of mutual opposite directions are applied to the pair of GMR ferromagnetic layers and displaying a differential detection type output response. A granular type ferromagnetic intermediate layer will be used as the GMR element part.
摘要翻译： GMR元件部分由层叠结构形成，该叠层结构包括至少一对铁磁层和介于一对铁磁层之间的非磁性中间层。信号磁场检测铁磁层将可选地布置在一对铁磁层的外侧。 GMR元件部分由层叠结构构成，该叠层结构具有一对跨越非磁性中间层彼此相对的GMR铁磁体层或层叠结构，该层叠结构具有跨越非磁性中间体彼此相对的一对GMR铁磁层层和至少一个通过非磁性中间层的介质设置在其间的低磁导率铁磁层。 GMR元件部分用作读取头，用于感测当相互相反方向的信号磁场施加到一对GMR铁磁层并且显示差分检测型输出响应时变化的电阻。将使用粒状铁磁中间层作为GMR元件部分。

17. 发明授权

US5894384A Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit 失效
标题翻译：其中磁阻效应元件和软磁膜形成单个磁路的磁阻效应头
公开(公告)号：US5894384A
公开(公告)日：1999-04-13
申请号：US816336
申请日：1997-03-13
申请人： Tomomi Funayama , Tadahiko Kobayashi , Hiromi Sakata , Kohichi Tateyama
发明人： Tomomi Funayama , Tadahiko Kobayashi , Hiromi Sakata , Kohichi Tateyama
IPC分类号： G11B5/00 , G11B5/127 , G11B5/31 , G11B5/39
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3903 , G11B5/3916 , G11B5/3919 , G11B5/3958 , G11B5/3967 , G11B2005/0008 , G11B2005/3996 , G11B5/3113 , G11B5/3183
摘要： The magnetic head comprises two magnetoresistance effect elements and a soft magnetic film connecting end portions of the magnetoresistance effect elements with each other. The two magnetoresistance effect elements and the soft magnetic film are arranged in series so as to form a single magnetic circuit, and a magnetic gap is provided in the side of a surface facing a magnetic medium. Magnetic flux from the magnetic medium is introduced into the magnetoresistance effect elements through the magnetic gap. An insulating material may be used to fill the magnetic gap.
摘要翻译：磁头包括两个磁阻效应元件和连接磁阻效应元件的端部彼此的软磁膜。两个磁阻效应元件和软磁膜被串联布置以形成单个磁路，并且在面向磁介质的表面的侧面设置磁隙。来自磁介质的磁通量通过磁隙引入到磁阻效应元件中。可以使用绝缘材料来填充磁隙。

18. 发明授权

US5796560A Magnetoresistive head 失效
标题翻译：磁阻头
公开(公告)号：US5796560A
公开(公告)日：1998-08-18
申请号：US614146
申请日：1996-03-12
申请人： Kazuhiro Saito , Yuzo Kamiguchi , Hitoshi Iwasaki , Susumu Hashimoto , Hiromi Fuke , Tomomi Funayama
发明人： Kazuhiro Saito , Yuzo Kamiguchi , Hitoshi Iwasaki , Susumu Hashimoto , Hiromi Fuke , Tomomi Funayama
IPC分类号： G11B5/39
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/3903 , G11B5/3916 , G11B2005/3996
摘要： A magnetoresistive head is disclosed which uses a crystalline soft magnetic film as an undercoat for a giant magnetoresistive film provided with at least one pair of ferro-magnetic films opposed to each other across a nonmagnetic intermediate layer or for an anisotropically magnetoresistive film. The crystalline soft magnetic film comprises a film which has as a main component thereof at least one element selected from the group consisting of Ni, Fe, and Co and simultaneously incorporates therein at least one element selected from the group consisting of Nb, Mo, V, W, Ti, Zr, Hf, and Ta and at least one element selected from the group consisting of Cr, Rh, Os, Re, Si, Al, Be, Ga, and Ge.
摘要翻译：公开了一种使用结晶软磁膜作为底涂层的磁阻磁头，该磁阻膜具有在非磁性中间层或各向异性磁阻膜上彼此相对的至少一对铁磁性膜的巨磁阻膜。结晶软磁性膜包含以Ni，Fe，Co为主成分的至少一种元素作为主要成分的膜，同时含有选自Nb，Mo，V ，W，Ti，Zr，Hf和Ta以及选自Cr，Rh，Os，Re，Si，Al，Be，Ga和Ge中的至少一种元素。

19. 发明授权

US5756191A Exchange coupling film and magnetoresistance effect element 失效
标题翻译：交换耦合膜和磁阻效应元件
公开(公告)号：US5756191A
公开(公告)日：1998-05-26
申请号：US785318
申请日：1997-01-21
申请人： Susumu Hashimoto , Yuzo Kamiguchi , Hiromi Fuke , Hitoshi Iwasaki , Tomomi Funayama , Masashi Sahashi
发明人： Susumu Hashimoto , Yuzo Kamiguchi , Hiromi Fuke , Hitoshi Iwasaki , Tomomi Funayama , Masashi Sahashi
IPC分类号： G11B5/39 , H01F10/32 , H01L43/10 , B32B9/00
CPC分类号： B82Y25/00 , G11B5/3903 , H01F10/3218 , H01F10/3268 , H01L43/10 , Y10T428/24917
摘要： An exchange coupling film comprising a first antiferromagnetic film, a ferromagnetic film formed as superposed on the first antiferromagnetic film, and a second antiferromagnetic film formed in the interface between the first antiferromagnetic film and the ferromagnetic film, characterized in that the first antiferromagnetic film has a crystal structure selected from the group consisting of tetragonal, body-centered cubic, and NaCl type and the second antiferromagnetic film of .gamma. phase M-Mn alloys with the crystal structure of face-centered cubic, wherein M stands for at least one element selected from the group consisting of Fe, Co, and Ni.
摘要翻译：一种交换耦合膜，包括第一反铁磁膜，形成为叠置在第一反铁磁膜上的铁磁膜和形成在第一反铁磁膜和铁磁膜之间的界面中的第二反铁磁膜，其特征在于，第一反铁磁膜具有晶体结构选自正方晶，体心立方和NaCl型，γ相M-Mn合金的第二反铁磁膜具有面心立方晶体结构，其中M代表至少一种选自由Fe，Co和Ni组成的组。

20. 发明授权

US08705204B2 Recording head with high-frequency oscillator and bi-layer main pole height/width arrangement 有权
标题翻译：录音头采用高频振荡器和双层主极高/宽布置
公开(公告)号：US08705204B2
公开(公告)日：2014-04-22
申请号：US13591012
申请日：2012-08-21
申请人： Tomoko Taguchi , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Norihito Fujita
发明人： Tomoko Taguchi , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Norihito Fujita
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B2005/0002
摘要： According to one embodiment, a main pole of a recording head includes a first magnetic pole layer and a second magnetic pole layer laminated on the trailing side of the first magnetic pole layer. The first magnetic pole layer includes a tapered portion and a first tip portion. The second magnetic pole layer includes a tapered portion and a second tip portion. A width in a track direction of the second tip portion is smaller than that of the first tip portion. The high-frequency oscillator is between the second tip portion and the trailing shield and includes a width in the track direction substantially equal to the width in the track direction of the second tip portion, and a height of the first tip portion is taller than that of the second tip portion.
摘要翻译：根据一个实施例，记录头的主极包括层叠在第一磁极层的后侧上的第一磁极层和第二磁极层。第一磁极层包括锥形部分和第一末端部分。第二磁极层包括锥形部分和第二尖端部分。第二前端部的轨道方向的宽度小于第一前端部的宽度。所述高频振荡器位于所述第二前端部与所述后屏蔽之间，并且包括所述轨道方向上的宽度大致等于所述第二前端部的轨道方向的宽度，所述第一前端部的高度高于所述第二前端部的高度。的第二尖端部分。

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