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1. 发明专利

JP2014130672A Magnetic head, magnetic head assembly, and magnetic recording and reproducing device 审中-公开
标题翻译：磁头，磁头组件和磁记录和再现装置
公开(公告)号：JP2014130672A
公开(公告)日：2014-07-10
申请号：JP2013234725
申请日：2013-11-13
申请人： Toshiba Corp , 株式会社東芝
发明人： SHIMIZU MARIKO , KOI KATSUHIKO , MURAKAMI SHUICHI , YUASA HIROMI
IPC分类号： G11B5/31
摘要： PROBLEM TO BE SOLVED: To lower a critical current density for maintaining high frequency magnetic field and starting oscillation of an oscillation layer.SOLUTION: A magnetic head of an embodiment includes a spin torque oscillator arranged between a main magnetic pole and an auxiliary magnetic pole. The spin torque oscillator includes a down-spin injection layer, a first intermediate layer, an oscillation layer, a second intermediate layer, and an up-spin injection layer. The down-spin injection layer includes a first perpendicular magnetization film and a first interface magnetic layer, which are formed on one of the main magnetic pole and the auxiliary magnetic pole. The first interface magnetic layer used in a first embodiment includes: one element being at least one of Fe, Co, and Ni; and at least one element selected from a group consisting of Cr, V, Mn, Ti, and Se. The up-spin injection layer includes a second perpendicular magnetization film.
摘要翻译：要解决的问题：降低用于维持高频磁场和振荡层的振荡的临界电流密度。解决方案：实施例的磁头包括布置在主磁极和辅助磁极之间的自旋扭矩振荡器。自旋扭矩振荡器包括下自旋注入层，第一中间层，振荡层，第二中间层和上旋涂层。下自旋注入层包括形成在主磁极和辅助磁极之一上的第一垂直磁化膜和第一界面磁性层。在第一实施例中使用的第一界面磁性层包括：一个元素是Fe，Co和Ni中的至少一个; 以及选自Cr，V，Mn，Ti和Se中的至少一种元素。上旋涂层包括第二垂直磁化膜。

2. 发明专利

JP2013149926A Semiconductor device 有权
标题翻译：半导体器件
公开(公告)号：JP2013149926A
公开(公告)日：2013-08-01
申请号：JP2012011471
申请日：2012-01-23
申请人： Toshiba Corp , 株式会社東芝
发明人： SHIRAI KOJI , SHIMIZU MARIKO
IPC分类号： H01L21/329 , H01L29/06 , H01L29/861 , H01L29/866 , H01L29/868
CPC分类号： H01L29/0619 , H01L27/0629 , H01L29/66106 , H01L29/7833 , H01L29/866
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor device having a small size and capable of preventing variation in a breakdown voltage.SOLUTION: A semiconductor device includes: a first semiconductor layer of a first conductivity type; a second semiconductor layer of the first conductivity type provided on the first semiconductor layer; a third semiconductor layer of a second conductivity type provided on the second semiconductor layer so as to be joined to the second semiconductor layer; an element isolation layer surrounding the third semiconductor layer and being deeper than the third semiconductor layer; and a guard ring layer of the second conductivity type provided between the third semiconductor layer and the element isolation layer, being adjacent to the third semiconductor layer, and being deeper than the third semiconductor layer.
摘要翻译：要解决的问题：提供一种具有小尺寸并能够防止击穿电压变化的半导体器件。解决方案：一种半导体器件包括：第一导电类型的第一半导体层; 设置在第一半导体层上的第一导电类型的第二半导体层; 第二导电类型的第三半导体层，设置在第二半导体层上以与第二半导体层接合; 围绕所述第三半导体层并且比所述第三半导体层更深的元件隔离层; 以及设置在第三半导体层和元件隔离层之间的与第三半导体层相邻并且比第三半导体层更深的第二导电类型的保护环层。

3. 发明专利

JP2009080878A Magnetic recording head and magnetic recording device 审中-公开
标题翻译：磁记录头和磁记录装置
公开(公告)号：JP2009080878A
公开(公告)日：2009-04-16
申请号：JP2007248047
申请日：2007-09-25
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKASHITA MASAHIRO , IWASAKI HITOSHI , YAMADA KENICHIRO , AKIYAMA JUNICHI , TAKAGISHI MASAYUKI , FUNAYAMA TOMOKI , SHIMIZU MARIKO
IPC分类号： G11B5/31 , G11B5/02 , G11B5/65 , G11B5/667
CPC分类号： G11B5/314 , G11B5/02 , G11B5/1278 , G11B2005/0005 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To stabilize a high-frequency magnetic field generated from a spin torque oscillator. SOLUTION: A magnetic head includes: first and second main magnetic poles 11 and 12; and the spin torque oscillator 20 provided between the first and second main magnetic poles. The spin torque oscillator has a layered structure wherein a first magnetic layer, an intermediate layer, a second magnetic layer and a third magnetic layer are layered in this order. The first main magnetic pole is disposed on a side opposite to the intermediate layer with respect to the first magnetic layer and the second main magnetic pole is disposed on the side opposite to the second magnetic layer with respect to the third magnetic layer. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：稳定由自旋扭矩振荡器产生的高频磁场。解决方案：磁头包括：第一和第二主磁极11和12; 以及设置在第一和第二主磁极之间的自旋扭矩振荡器20。旋转扭矩振荡器具有层叠结构，其中第一磁性层，中间层，第二磁性层和第三磁性层按此顺序层叠。第一主磁极相对于第一磁性层设置在与中间层相对的一侧上，第二主磁极相对于第三磁性层设置在与第二磁性层相反的一侧。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2015043247A 磁気記録ヘッド、及びこれを用いた磁気記録再生装置审中-公开
标题翻译：磁记录头和磁记录再现装置
公开(公告)号：JP2015043247A
公开(公告)日：2015-03-05
申请号：JP2013174606
申请日：2013-08-26
申请人：株式会社東芝 , Toshiba Corp
发明人： KOI KATSUHIKO , YUASA HIROMI , SHIMIZU MARIKO , MURAKAMI SHUICHI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/3133 , G11B5/235 , G11B5/3106 , G11B5/3136 , G11B2005/0021
摘要：【課題】動作中の温度が高い環境でも高周波発振素子の温度が低く保たれて発振が劣化することのない、高周波アシスト磁気記録ヘッドを得る。【解決手段】実施形態に係る磁気記録ヘッドは、発振積層体と主磁極の間に冷却発熱材料が設けられ、冷却発熱材料は該発振積層体から順に積層された、発振積層体の断面積と同じ断面積を有する第1の熱電材料層、発振積層体の断面積と同じ断面積を有する第1の金属材料層、主磁極と同じ断面積を有する第2の金属材料層、及び主磁極と同じ断面積を有する第2の熱電材料層を含む。【選択図】図1
摘要翻译：要解决的问题：提供一种能够将高频振荡元件保持在低温下的高频辅助磁记录头，以防止即使在高温操作环境下的振动也会降低。解决方案：磁记录头包括：第一热电材料层，其在振荡层叠和主极之间具有冷却发热材料，其中所述冷却发热材料的横截面面积与所述振荡层压体的横截面面积相同，所述横截面面积从振荡层压; 第一金属材料层，其截面积与振荡层压板的横截面积相同; 第二金属材料层，其横截面积与主极的截面积相同; 以及具有与主极相同的横截面积的第二热电材料层。

5. 发明专利

JP2013246852A Magnetic recording head, magnetic head assembly and magnetic recording/reproducing device 有权
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：JP2013246852A
公开(公告)日：2013-12-09
申请号：JP2012120209
申请日：2012-05-25
申请人： Toshiba Corp , 株式会社東芝
发明人： SHIMIZU MARIKO , KOI KATSUHIKO , MURAKAMI SHUICHI , TAKASHITA MASAHIRO
IPC分类号： G11B5/31 , G11B5/02 , H01F10/14 , H01F10/16 , H01F10/32 , H01L29/82 , H01L43/08 , H01L43/10
CPC分类号： G11B5/3133 , G11B5/314 , G11B5/3146 , G11B5/4833 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To perform driving of an assist magnetic field at a low voltage while maintaining a high-frequency magnetic field.SOLUTION: A magnetic recording head has a main magnetic pole, an auxiliary magnetic pole and a spin torque oscillator provided therebetween. The spin torque oscillator has a main oscillation layer and a spin sink layer as oscillation layers. The spin sink layer contains one element of iron and cobalt and at least one kind of element selected from a group consisting of platinum, palladium, ruthenium, tantalum, chromium, terbium, gadolinium, europium, dysprosium and samarium.
摘要翻译：要解决的问题：在保持高频磁场的同时，以低电压执行辅助磁场的驱动。解决方案：磁记录头具有设置在其间的主磁极，辅助磁极和自旋扭矩振荡器。旋转扭矩振荡器具有作为振荡层的主振荡层和自旋沉积层。旋转沉积层含有铁和钴的一种元素和选自铂，钯，钌，钽，铬，铽，钆，铕，镝和钐中的至少一种元素。

6. 发明专利

JP2009099248A Magnetic recording head and magnetic recording device 有权
标题翻译：磁记录头和磁记录装置
公开(公告)号：JP2009099248A
公开(公告)日：2009-05-07
申请号：JP2008244806
申请日：2008-09-24
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKAGISHI MASAYUKI , YAMADA KENICHIRO , IWASAKI HITOSHI , AKIYAMA JUNICHI , FUNAYAMA TOMOKI , TAKASHITA MASAHIRO , SHIMIZU MARIKO
IPC分类号： G11B5/31 , G11B11/105
摘要： PROBLEM TO BE SOLVED: To provide a magnetic recording head enabling effective/efficient high frequency assist magnetic recording and to provide a magnetic recording device using the same. SOLUTION: The magnetic head includes a laminate 10 composed of a main magnetic pole 61, a first magnetic layer, a second magnetic layer, and an intermediate layer provided between the first magnetic layer and the second magnetic layer laminated in the almost vertical direction with respect to a medium movement direction, and a pair of electrodes 41, 42 which supply current to the laminate 10. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够进行有效/高效的高频辅助磁记录的磁记录头，并提供使用该记录头的磁记录装置。解决方案：磁头包括由主磁极61，第一磁性层，第二磁性层和设置在第一磁性层和第二磁性层之间的中间层构成的层压体10，该第一磁性层和第二磁性层层叠在几乎垂直相对于中等移动方向的方向，以及向层叠体10供给电流的一对电极41,42。（C）2009，JPO＆INPIT

7. 发明专利

JP2009080867A Magnetic head and magnetic recording device 有权
标题翻译：磁头和磁记录装置
公开(公告)号：JP2009080867A
公开(公告)日：2009-04-16
申请号：JP2007247169
申请日：2007-09-25
申请人： Toshiba Corp , 株式会社東芝
发明人： FUNAYAMA TOMOKI , YAMADA KENICHIRO , TAKAGISHI MASAYUKI , TAKASHITA MASAHIRO , SHIMIZU MARIKO , AKIYAMA JUNICHI , IWASAKI HITOSHI
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/314 , G11B5/02 , G11B5/1278 , G11B2005/0005 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To sufficiently generate a high frequency magnetic field in a recording assist.
SOLUTION: A magnetic head is provided with a recording magnetic pole 22, a return yoke 24 magnetic-coupling with the recording magnetic pole, and at least two spin torque oscillators 26a, 26b provided at the vicinity of the recording magnetic pole.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在记录辅助中充分产生高频磁场。解决方案：磁头设置有记录磁极22，与记录磁极磁耦合的返回磁轭24和设置在记录磁极附近的至少两个自旋转矩振荡器26a，26b。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2014123413A Magnetic head, and magnetic recording/reproducing apparatus 审中-公开
标题翻译：磁头和磁记录/再现装置
公开(公告)号：JP2014123413A
公开(公告)日：2014-07-03
申请号：JP2012279302
申请日：2012-12-21
申请人： Toshiba Corp , 株式会社東芝
发明人： KOI KATSUHIKO , MURAKAMI SHUICHI , SHIMIZU MARIKO , YAMADA KENICHIRO
IPC分类号： G11B5/31
CPC分类号： G11B5/3146 , G11B5/235 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To provide a magnetic head allowing stable application of desired high-frequency magnetic field in high density recording.SOLUTION: An oscillation layer of a spin torque oscillator used for a magnetic head includes a lamination layer of a first metal film and a second metal film. The first metal film is formed by repeating laminating a combination of a first magnetic layer and a second magnetic layer two or more times. The first metal film has a depth of 0.4 nm to 5.0 nm. The first magnetic layer has bcc structure and contains iron (Fe). The second magnetic layer contains cobalt (Co). The second metal film includes copper (Cu).
摘要翻译：要解决的问题：提供一种允许在高密度记录中稳定地施加期望的高频磁场的磁头。解决方案：用于磁头的自旋扭矩振荡器的振荡层包括第一金属膜的层压层和第二金属膜。第一金属膜通过重复层叠第一磁性层和第二磁性层的组合两次以上而形成。第一金属膜的深度为0.4nm〜5.0nm。第一磁性层具有bcc结构并含铁（Fe）。第二磁性层含有钴（Co）。第二金属膜包括铜（Cu）。

9. 发明专利

JP2012212842A Semiconductor device 有权
标题翻译：半导体器件
公开(公告)号：JP2012212842A
公开(公告)日：2012-11-01
申请号：JP2011199525
申请日：2011-09-13
申请人： Toshiba Corp , 株式会社東芝
发明人： KOMATSU KANAKO , MORIOKA JUN , SHIRAI KOJI , TAKAHASHI KEITA , YAMADA TASUKU , SHIMIZU MARIKO
IPC分类号： H01L29/78 , H01L21/336 , H01L29/06
CPC分类号： H01L29/7823 , H01L29/0653 , H01L29/0692 , H01L29/0696 , H01L29/0847 , H01L29/0886 , H01L29/1045 , H01L29/7816 , H01L29/7835
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor device with a high breakdown voltage while suppressing an increase in circuit area.SOLUTION: A first semiconductor layer of a first conductivity type extends from an element region in a first direction as a longitudinal direction and is formed to an element termination region, has a first impurity concentration, and functions as a drain region of a MOS transistor. A second semiconductor layer of the first conductivity type extends from the element region in the first direction as the longitudinal direction and is formed to the element termination region, has a second impurity concentration lower than the first impurity concentration, is disposed so as to connect with the first semiconductor layer, and functions as a drift layer of the MOS transistor. The element region and the element termination region has the same width in a second direction orthogonal to the first direction. The width of the second semiconductor layer in the element termination region is wider than that of the second semiconductor layer in the element region, regarding the cross section along the second direction.
摘要翻译：要解决的问题：提供具有高击穿电压的半导体器件，同时抑制电路面积的增加。解决方案：第一导电类型的第一半导体层作为纵向从第一方向的元件区域延伸并且形成为元件端接区域，具有第一杂质浓度，并且用作漏极区域 MOS晶体管。第一导电类型的第二半导体层作为纵向方向从第一方向的元件区域延伸并且形成为具有低于第一杂质浓度的第二杂质浓度的元件终止区域，以与第一半导体层，并且用作MOS晶体管的漂移层。元件区域和元件端接区域在与第一方向正交的第二方向上具有相同的宽度。关于沿着第二方向的横截面，元件端接区域中的第二半导体层的宽度比元件区域中的第二半导体层的宽度宽。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2010113764A Spin torque oscillator, magnetic recording head, magnetic head assembly, and magnetic recorder 有权
标题翻译：旋转扭矩振荡器，磁记录头，磁头组件和磁记录仪
公开(公告)号：JP2010113764A
公开(公告)日：2010-05-20
申请号：JP2008285830
申请日：2008-11-06
申请人： Toshiba Corp , 株式会社東芝
发明人： KOI KATSUHIKO , SHIMIZU MARIKO , YAMADA KENICHIRO
IPC分类号： G11B5/31 , G11B5/02
CPC分类号： G11B5/314 , G11B5/02 , G11B5/1278 , G11B2005/0002 , G11B2005/0024
摘要： PROBLEM TO BE SOLVED: To provide: a spin torque oscillator capable of making stabilized oscillation with a small current density and a high in-plane RF magnetic field strength; a magnetic recording head; a magnetic head assembly; and a magnetic recorder.
SOLUTION: The spin torque oscillator has a magnetic film made of a magnetic substance of a body-centered cubic structure arranging its {110} plane almost parallel with the principal plane, a first magnetic layer whose magnetic moment turning around the axis almost perpendicular to the principal plane, a second magnetic layer made of a magnetic substance, and a first non-magnetic layer made of a non-magnetic material and stacked between the first and second magnetic layers. Further, a magnetic field is applied in the direction substantially perpendicular to the principal plane, and a current is fed in the direction perpendicular to the principal plane.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供：能够以小的电流密度和高的面内RF磁场强度进行稳定振荡的自旋转矩振荡器; 磁记录头; 磁头组件; 和磁记录器。解决方案：旋转扭矩振荡器具有由体心立方结构的磁性物质制成的磁膜，其布置其主体平面的ä110}平面，第一磁性层，其磁矩围绕轴线几乎垂直由主要平面构成的第二磁性层和由非磁性材料构成的层叠在第一和第二磁性层之间的第一非磁性层。此外，在基本上垂直于主平面的方向上施加磁场，并且在垂直于主平面的方向上馈送电流。版权所有（C）2010，JPO＆INPIT

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