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41. 发明申请

US20070259213A1 MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD, AND MAGNETIC REPRODUCING APPARATUS 审中-公开
标题翻译：磁阻效应元件，磁头和磁力再生装置
公开(公告)号：US20070259213A1
公开(公告)日：2007-11-08
申请号：US11741900
申请日：2007-04-30
申请人： Susumu HASHIMOTO , Katsuhiko Koui , Masashi Sahashi , Hitoshi Iwasaki
发明人： Susumu HASHIMOTO , Katsuhiko Koui , Masashi Sahashi , Hitoshi Iwasaki
IPC分类号： G11B5/39
CPC分类号： H01L43/08 , G11B5/3906 , H01L43/12 , Y10T428/1121
摘要： A magnetoresistance effect element comprises: a magnetoresistance effect film, a pair of electrodes, and a phase separation layer. The magnetoresistance effect film includes a first ferromagnetic layer whose direction of magnetization is pinned substantially in one direction, a second ferromagnetic layer whose direction of magnetization changes in response to an external magnetic field, and an intermediate layer provided between the first and second ferromagnetic layers. The pair of electrodes are electrically coupled to the magnetoresistance effect film and configured to supply a sense current perpendicularly to a film plane of the magnetoresistance effect film. The phase separation layer is provided between the pair of electrodes. The phase separation layer has a first phase and a second phase formed by a phase separation in a solid phase from an alloy including a plurality of elements. One of the first and second phases includes at least one element selected from the group consisting of oxygen, nitrogen, fluorine and carbon in higher concentration than other of the first and second phases.
摘要翻译：磁阻效应元件包括：磁阻效应膜，一对电极和相分离层。磁阻效应膜包括其磁化方向基本上被固定在一个方向上的第一铁磁层，其磁化方向响应于外部磁场而变化的第二铁磁性层和设置在第一和第二铁磁层之间的中间层。一对电极电耦合到磁阻效应膜并且被配置为提供垂直于磁阻效应膜的膜平面的感测电流。相分离层设置在该对电极之间。相分离层具有通过从包含多个元素的合金固相中相分离而形成的第一相和第二相。第一和第二相中的一个包括选自氧，氮，氟和碳中的至少一种元素，其浓度高于第一相和第二相中的其它相。

42. 发明授权

US07218484B2 Magnetoresistance effect element, magnetic head, and magnetic reproducing apparatus 有权
标题翻译：磁阻效应元件，磁头和磁再现装置
公开(公告)号：US07218484B2
公开(公告)日：2007-05-15
申请号：US10659299
申请日：2003-09-11
申请人： Susumu Hashimoto , Katsuhiko Koui , Masashi Sahashi , Hitoshi Iwasaki
发明人： Susumu Hashimoto , Katsuhiko Koui , Masashi Sahashi , Hitoshi Iwasaki
IPC分类号： G11B5/39
CPC分类号： H01L43/08 , G11B5/3906 , H01L43/12 , Y10T428/1121
摘要： A magnetoresistance effect element comprises: a magnetoresistance effect film, a pair of electrodes, and a phase separation layer. The magnetoresistance effect film includes a first ferromagnetic layer whose direction of magnetization is pinned substantially in one direction, a second ferromagnetic layer whose direction of magnetization changes in response to an external magnetic field, and an intermediate layer provided between the first and second ferromagnetic layers. The pair of electrodes are electrically coupled to the magnetoresistance effect film and configured to supply a sense current perpendicularly to a film plane of the magnetoresistance effect film. The phase separation layer is provided between the pair of electrodes. The phase separation layer has a first phase and a second phase formed by a phase separation in a solid phase from an alloy including a plurality of elements. One of the first and second phases includes at least one element selected from the group consisting of oxygen, nitrogen, fluorine and carbon in higher concentration than other of the first and second phases.
摘要翻译：磁阻效应元件包括：磁阻效应膜，一对电极和相分离层。磁阻效应膜包括其磁化方向基本上被固定在一个方向上的第一铁磁层，其磁化方向响应于外部磁场而变化的第二铁磁性层和设置在第一和第二铁磁层之间的中间层。一对电极电耦合到磁阻效应膜并且被配置为提供垂直于磁阻效应膜的膜平面的感测电流。相分离层设置在该对电极之间。相分离层具有通过从包含多个元素的合金固相中相分离而形成的第一相和第二相。第一和第二相中的一个包括选自氧，氮，氟和碳中的至少一种元素，其浓度高于第一相和第二相中的其它相。

43. 发明授权

US08446691B2 Magnetic recording device 有权
标题翻译：磁记录装置
公开(公告)号：US08446691B2
公开(公告)日：2013-05-21
申请号：US13459610
申请日：2012-04-30
申请人： Masayuki Takagishi , Hitoshi Iwasaki , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Masahiro Takashita , Mariko Kitazaki , Soichi Oikawa
发明人： Masayuki Takagishi , Hitoshi Iwasaki , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Masahiro Takashita , Mariko Kitazaki , Soichi Oikawa
IPC分类号： G11B5/127
CPC分类号： G11B5/3146 , G11B5/02 , G11B5/1278 , G11B5/65 , G11B2005/0005 , G11B2005/0024 , H01F10/123 , H01L43/08
摘要： According to one embodiment, a magnetic recording device includes a magnetic recording head and a magnetic recording medium. The magnetic recording head includes a main magnetic pole, a shield and a stacked structure. The main magnetic pole has a medium facing surface and a main magnetic pole side surface. The shield has a shield side surface. The stacked structure is provided between the main magnetic pole and shield, and includes first and second magnetic layers, and an intermediate layer. The magnetic recording medium includes a backing layer and a magnetic recording layer. A distance between an end portion of the medium facing surface on a side of the stacked structure and the backing layer is twice or more of a distance between the main magnetic pole side surface and the shield side surface.
摘要翻译：根据一个实施例，磁记录装置包括磁记录头和磁记录介质。磁记录头包括主磁极，屏蔽和堆叠结构。主磁极具有中等面向表面和主磁极侧表面。屏蔽有屏蔽侧面。堆叠结构设置在主磁极和屏蔽之间，并且包括第一和第二磁性层以及中间层。磁记录介质包括背衬层和磁记录层。层叠结构一侧的介质相对表面的端部与背衬层之间的距离是主磁极侧表面和屏蔽侧表面之间的距离的两倍或更多。

44. 发明授权

US08320079B2 Magnetic head assembly and magnetic recording/reproducing apparatus 有权
标题翻译：磁头组件和磁记录/重放装置
公开(公告)号：US08320079B2
公开(公告)日：2012-11-27
申请号：US12457657
申请日：2009-06-17
申请人： Hitoshi Iwasaki , Kenichiro Yamada , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa , Katsuhiko Koui
发明人： Hitoshi Iwasaki , Kenichiro Yamada , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa , Katsuhiko Koui
IPC分类号： G11B5/127 , G11B5/187
CPC分类号： B82Y10/00 , B82Y25/00 , G11B5/3906 , G11B2005/0005 , G11B2005/3996
摘要： It is made possible to reduce the write magnetic field generated from the main magnetic pole toward the spin torque oscillator, so as to reduce the variation in the oscillation characteristics of the spin torque oscillator, and reduce the current required for oscillation. The magnetic head assembly includes: a recording magnetic pole; a spin torque oscillator that has first and second magnetic layers, and an intermediate layer interposed between the first and second magnetic layers, the spin torque oscillator generating a high-frequency magnetic field by applying a current between the first and second magnetic layers; and a third magnetic layer that is placed adjacent to at least part of a side face of the second magnetic layer.
摘要翻译：可以将从主磁极产生的写入磁场减小到自旋转矩振荡器，从而减小自旋转矩振荡器的振荡特性的变化，并且降低振荡所需的电流。磁头组件包括：记录磁极; 旋转扭矩振荡器，其具有第一和第二磁性层，以及介于所述第一和第二磁性层之间的中间层，所述自旋扭矩振荡器通过在所述第一和第二磁性层之间施加电流而产生高频磁场; 以及与第二磁性层的侧面的至少一部分相邻配置的第三磁性层。

45. 发明申请

US20120262821A1 MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY WITH THE SAME, AND DISK DRIVE 审中-公开
标题翻译：磁记录头，头盖组装及磁盘驱动
公开(公告)号：US20120262821A1
公开(公告)日：2012-10-18
申请号：US13296004
申请日：2011-11-14
申请人： Tomoko Taguchi , Masayuki Takagishi , Katsuhiko Koui , Kenichiro Yamada , Hitoshi Iwasaki
发明人： Tomoko Taguchi , Masayuki Takagishi , Katsuhiko Koui , Kenichiro Yamada , Hitoshi Iwasaki
IPC分类号： G11B5/23 , G11B17/02 , G11B5/48
CPC分类号： G11B5/314 , G11B5/235 , G11B2005/0024
摘要： According to one embodiment, a magnetic recording head includes a main pole configured to apply a recording magnetic field perpendicular to a recording medium, a trailing-shield pole opposed to the main pole with a recording gap therebetween, a high-frequency oscillator between the main pole and the trailing-shield pole in the recording gap, configured to produce a high-frequency magnetic field, a magnetic seed layer between the main pole and the high-frequency oscillator and in contact with the main pole, and a highly oriented magnetic layer of a soft magnetic material superposed on the magnetic seed layer between the main pole and the high-frequency oscillator and in contact with the high-frequency oscillator.
摘要翻译：根据一个实施例，磁记录头包括被配置为施加垂直于记录介质的记录磁场的主极，与主极相对的后屏蔽极，其间具有记录间隙，在主体之间的高频振荡器磁极和后屏蔽极在记录间隙中，被配置为产生高频磁场，主极和高频振荡器之间的磁性种子层，并与主极接触，并且高取向磁性层叠置在主极与高频振荡器之间的磁性种子层上并与高频振荡器接触的软磁性材料。

46. 发明申请

US20100007996A1 Magnetic head assembly and magnetic recording/reproducing apparatus 有权
标题翻译：磁头组件和磁记录/重放装置
公开(公告)号：US20100007996A1
公开(公告)日：2010-01-14
申请号：US12457657
申请日：2009-06-17
申请人： Hitoshi Iwasaki , Kenichiro Yamada , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa , Katsuhiko Koui
发明人： Hitoshi Iwasaki , Kenichiro Yamada , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa , Katsuhiko Koui
IPC分类号： G11B5/33
CPC分类号： B82Y10/00 , B82Y25/00 , G11B5/3906 , G11B2005/0005 , G11B2005/3996
摘要： It is made possible to reduce the write magnetic field generated from the main magnetic pole toward the spin torque oscillator, so as to reduce the variation in the oscillation characteristics of the spin torque oscillator, and reduce the current required for oscillation. The magnetic head assembly includes: a recording magnetic pole; a spin torque oscillator that has first and second magnetic layers, and an intermediate layer interposed between the first and second magnetic layers, the spin torque oscillator generating a high-frequency magnetic field by applying a current between the first and second magnetic layers; and a third magnetic layer that is placed adjacent to at least part of a side face of the second magnetic layer.
摘要翻译：可以将从主磁极产生的写入磁场减小到自旋转矩振荡器，从而减小自旋转矩振荡器的振荡特性的变化，并且降低振荡所需的电流。磁头组件包括：记录磁极; 旋转扭矩振荡器，其具有第一和第二磁性层，以及介于所述第一和第二磁性层之间的中间层，所述自旋扭矩振荡器通过在所述第一和第二磁性层之间施加电流而产生高频磁场; 以及与第二磁性层的侧面的至少一部分相邻配置的第三磁性层。

47. 发明申请

US20120275061A1 MAGNETIC RECORDING DEVICE 有权
标题翻译：磁记录装置
公开(公告)号：US20120275061A1
公开(公告)日：2012-11-01
申请号：US13459610
申请日：2012-04-30
申请人： Masayuki TAKAGISHI , Hitoshi Iwasaki , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Masahiro Takashita , Mariko Kitazaki , Soichi Oikawa
发明人： Masayuki TAKAGISHI , Hitoshi Iwasaki , Kenichiro Yamada , Katsuhiko Koui , Tomomi Funayama , Masahiro Takashita , Mariko Kitazaki , Soichi Oikawa
IPC分类号： G11B5/127 , G11B5/17
CPC分类号： G11B5/3146 , G11B5/02 , G11B5/1278 , G11B5/65 , G11B2005/0005 , G11B2005/0024 , H01F10/123 , H01L43/08
摘要： According to one embodiment, a magnetic recording device includes a magnetic recording head and a magnetic recording medium. The magnetic recording head includes a main magnetic pole, a shield and a stacked structure. The main magnetic pole has a medium facing surface and a main magnetic pole side surface. The shield has a shield side surface. The stacked structure is provided between the main magnetic pole and shield, and includes first and second magnetic layers, and an intermediate layer. The magnetic recording medium includes a backing layer and a magnetic recording layer. A distance between an end portion of the medium facing surface on a side of the stacked structure and the backing layer is twice or more of a distance between the main magnetic pole side surface and the shield side surface.
摘要翻译：根据一个实施例，磁记录装置包括磁记录头和磁记录介质。磁记录头包括主磁极，屏蔽和堆叠结构。主磁极具有中等面向表面和主磁极侧表面。屏蔽有屏蔽侧面。堆叠结构设置在主磁极和屏蔽之间，并且包括第一和第二磁性层以及中间层。磁记录介质包括背衬层和磁记录层。层叠结构一侧的介质相对表面的端部与背衬层之间的距离是主磁极侧表面和屏蔽侧表面之间的距离的两倍或更多。

48. 发明申请

US20110228423A1 MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING/REPRODUCING APPARATUS 审中-公开
标题翻译：磁记录头，磁头组件和磁记录/再现装置
公开(公告)号：US20110228423A1
公开(公告)日：2011-09-22
申请号：US12880676
申请日：2010-09-13
申请人： Katsuhiko Koui , Kenichiro Yamada , Mariko Kitazaki , Hitoshi Iwasaki , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Soichi Oikawa
发明人： Katsuhiko Koui , Kenichiro Yamada , Mariko Kitazaki , Hitoshi Iwasaki , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Soichi Oikawa
IPC分类号： G11B5/127 , G11B5/48 , G11B21/02
CPC分类号： G11B5/3146 , G11B5/1278 , G11B5/3116 , G11B2005/0024
摘要： A magnetic recording head includes a first ferromagnetic layer, an intermediate layer, a third ferromagnetic layer, a first magnetic pole and a second magnetic pole. The intermediate layer is provided between the first ferromagnetic layer and the second ferromagnetic layer. The third ferromagnetic layer includes a CoIr alloy and is provided so that the first ferromagnetic layer is sandwiched between the third ferromagnetic layer and the intermediate layer. The first magnetic pole is provided so that the third ferromagnetic layer is sandwiched between the first magnetic pole and the first ferromagnetic layer. The second magnetic pole is provided so that the second ferromagnetic layer is sandwiched between the second magnetic pole and the intermediate layer.
摘要翻译：磁记录头包括第一铁磁层，中间层，第三铁磁层，第一磁极和第二磁极。中间层设置在第一铁磁层和第二铁磁层之间。第三铁磁层包括CoIr合金，并且被设置为使得第一铁磁层夹在第三铁磁层和中间层之间。第一磁极被设置成使得第三铁磁层夹在第一磁极和第一铁磁层之间。第二磁极被设置成使得第二铁磁层夹在第二磁极和中间层之间。

49. 发明申请

US20100073806A1 Magnetic recording head and magnetic recording apparatus 审中-公开
标题翻译：磁记录头和磁记录装置
公开(公告)号：US20100073806A1
公开(公告)日：2010-03-25
申请号：US12585459
申请日：2009-09-15
申请人： Katsuhiko Koui , Hitoshi Iwasaki , Masayuki Takagishi , Kenichiro Yamada , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa
发明人： Katsuhiko Koui , Hitoshi Iwasaki , Masayuki Takagishi , Kenichiro Yamada , Tomomi Funayama , Masahiro Takashita , Mariko Shimizu , Soichi Oikawa
IPC分类号： G11B21/02 , G11B5/127
CPC分类号： G11B5/1278 , G11B5/02 , G11B5/3133 , G11B5/3146 , G11B2005/0002 , H03B15/006
摘要： It is made possible to improve the recording resolution. A magnetic recording head includes: a magnetic pole that has a first magnetic portion including an air bearing surface, and generates a write magnetic field; and a spin torque oscillator that is formed on the air bearing surface of the magnetic pole, and is formed with a stack structure including a first magnetic layer, a second magnetic layer, and a nonmagnetic layer interposed between the first magnetic layer and the second magnetic layer, the second magnetic layer generating a high-frequency magnetic field when current is applied between the first magnetic layer and the second magnetic layer.
摘要翻译：可以提高记录分辨率。磁记录头包括：具有包括空气轴承表面的第一磁性部分并产生写入磁场的磁极; 以及旋转扭矩振荡器，其形成在所述磁极的所述空气支承面上，并且形成有堆叠结构，所述堆叠结构包括介于所述第一磁性层和所述第二磁性层之间的第一磁性层，第二磁性层和非磁性层层，当第一磁性层和第二磁性层之间施加电流时，第二磁性层产生高频磁场。

50. 发明授权

US08472140B2 Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head 有权
标题翻译：旋转振荡器或磁记录器，包括磁记录头中的多个注入层
公开(公告)号：US08472140B2
公开(公告)日：2013-06-25
申请号：US13404046
申请日：2012-02-24
申请人： Kenichiro Yamada , Hitoshi Iwasaki , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Katsuhiko Koui , Mariko Kitazaki , Soichi Oikawa
发明人： Kenichiro Yamada , Hitoshi Iwasaki , Masayuki Takagishi , Tomomi Funayama , Masahiro Takashita , Katsuhiko Koui , Mariko Kitazaki , Soichi Oikawa
IPC分类号： G11B5/147
CPC分类号： G11B5/3146 , B82Y25/00 , G11B5/02 , G11B5/3133 , H01F10/3254 , H01F10/3286 , H01L43/08
摘要： A magnetic recorder includes: a magnetic recording medium; a reproducing head; a magnetic recording head including: a main magnetic pole; a first magnetic layer containing a TM alloy; a second magnetic layer containing a TM alloy or an RE-TM alloy; a third magnetic layer containing an RE-TM alloy; a first intermediate layer provided between the first magnetic layer and the second magnetic layer; and a second intermediate layer provided between the second magnetic layer and the third magnetic layer; and a signal processing portion which performs signal writing into the magnetic recording medium by using the magnetic recording head and reading from the magnetic recording medium by using the reproducing head.
摘要翻译：磁记录器包括：磁记录介质; 再现头磁记录头，包括：主磁极; 含有TM合金的第一磁性层; 含有TM合金或RE-TM合金的第二磁性层; 含有RE-TM合金的第三磁性层; 设置在所述第一磁性层和所述第二磁性层之间的第一中间层; 以及设置在所述第二磁性层和所述第三磁性层之间的第二中间层; 以及信号处理部分，其通过使用磁记录头并通过使用再现头从磁记录介质读取来执行信号写入磁记录介质。

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