-
公开(公告)号:US20060114716A1
公开(公告)日:2006-06-01
申请号:US11335468
申请日:2006-01-20
申请人: Tadashi Kai , Toshihiko Nagase , Tatsuya Kishi , Yoshiaki Saito
发明人: Tadashi Kai , Toshihiko Nagase , Tatsuya Kishi , Yoshiaki Saito
IPC分类号: G11C11/00
CPC分类号: G11B5/3906 , G11C11/16
摘要: There is provided a magnetoresistance element including a free layer that includes a first ferromagnetic layer and a second ferromagnetic layer whose magnetization directions are equal to each other and a nonmagnetic film intervening between the first and second ferromagnetic layers, a pinned layer including a third ferromagnetic layer that faces the free layer, and a nonmagnetic layer intervening between the free layer and the pinned layer, the nonmagnetic film containing a material selected from the group including titanium, vanadium, zirconium, niobium, molybdenum, technetium, hafnium, tungsten, rhenium, alloys thereof, semiconductors and insulators.
摘要翻译: 提供了包括自由层的磁阻元件,该自由层包括第一铁磁层和其磁化方向彼此相等的第二铁磁层和介于第一和第二铁磁层之间的非磁性膜,包括第三铁磁层 面向自由层和介于自由层和被钉扎层之间的非磁性层,非磁性膜含有选自钛,钒,锆,铌,钼,锝,铪,钨,铼,合金中的材料 半导体和绝缘体。
-
公开(公告)号:US06949779B2
公开(公告)日:2005-09-27
申请号:US10653098
申请日:2003-09-03
申请人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
发明人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
IPC分类号: G01R33/09 , G11B5/39 , G11C11/15 , G11C11/16 , H01L21/8246 , H01L27/105 , H01L43/08 , H01L29/76
CPC分类号: G11C11/15 , G11C11/16 , Y10T428/24917
摘要: There are provided a first reference layer, in which a direction of magnetization is fixed, and a storage layer including a main body, in which a length in an easy magnetization axis direction is longer than a length in a hard magnetization axis direction, and a projecting portion provided to a central portion of the main body in the hard magnetization axis direction, a direction of magnetization of the storage layer being changeable in accordance with an external magnetic field.
-
公开(公告)号:US07470963B2
公开(公告)日:2008-12-30
申请号:US11213869
申请日:2005-08-30
申请人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
发明人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
IPC分类号: H01L21/8246
CPC分类号: G11C11/15 , G11C11/16 , Y10T428/24917
摘要: There are provided a first reference layer, in which a direction of magnetization is fixed, and a storage layer including a main body, in which a length in an easy magnetization axis direction is longer than a length in a hard magnetization axis direction, and a projecting portion provided to a central portion of the main body in the hard magnetization axis direction, a direction of magnetization of the storage layer being changeable in accordance with an external magnetic field.
摘要翻译: 提供了固定有磁化方向的第一参考层和容易磁化轴方向的长度比硬磁化轴方向的长度长的主体的存储层,以及 在硬磁化轴方向上设置在主体的中心部的突出部,存储层的磁化方向根据外部磁场而变化。
-
公开(公告)号:US20050280043A1
公开(公告)日:2005-12-22
申请号:US11213869
申请日:2005-08-30
申请人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
发明人: Tadashi Kai , Shigeki Takahashi , Tomomasa Ueda , Tatsuya Kishi , Yoshiaki Saito
IPC分类号: G01R33/09 , G11B5/39 , G11C11/15 , G11C11/16 , H01L21/8246 , H01L27/105 , H01L43/08 , H01L27/148
CPC分类号: G11C11/15 , G11C11/16 , Y10T428/24917
摘要: There are provided a first reference layer, in which a direction of magnetization is fixed, and a storage layer including a main body, in which a length in an easy magnetization axis direction is longer than a length in a hard magnetization axis direction, and a projecting portion provided to a central portion of the main body in the hard magnetization axis direction, a direction of magnetization of the storage layer being changeable in accordance with an external magnetic field.
摘要翻译: 提供了固定有磁化方向的第一参考层和容易磁化轴方向的长度比硬磁化轴方向的长度长的主体的存储层,以及 在硬磁化轴方向上设置在主体的中心部的突出部,存储层的磁化方向根据外部磁场而变化。
-
公开(公告)号:US08139403B2
公开(公告)日:2012-03-20
申请号:US12885833
申请日:2010-09-20
申请人: Tomoaki Inokuchi , Takao Marukame , Mizue Ishikawa , Hideyuki Sugiyama , Hisanori Aikawa , Masahiko Nakayama , Tatsuya Kishi , Hiroaki Yoda , Yoshiaki Saito
发明人: Tomoaki Inokuchi , Takao Marukame , Mizue Ishikawa , Hideyuki Sugiyama , Hisanori Aikawa , Masahiko Nakayama , Tatsuya Kishi , Hiroaki Yoda , Yoshiaki Saito
CPC分类号: H01L29/66984 , G11C11/161 , G11C11/1659 , G11C11/1675 , G11C11/1677 , G11C11/1697 , H01L27/224 , H01L43/08
摘要: Certain embodiments provide a spin memory including a memory cell including a ferromagnetic stacked film that has a stacked structure in which a first ferromagnetic layer, a first nonmagnetic layer, a second ferromagnetic layer, a second nonmagnetic layer, and a third ferromagnetic layer are stacked in this order or reverse order, the third ferromagnetic layer and the second ferromagnetic layer being antiferromagnetically exchange-coupled via the second nonmagnetic layer. The ferromagnetic stacked film includes a current path in which a first and second write currents flow from the first ferromagnetic layer to the third ferromagnetic layer to write a first and second magnetization states into the first ferromagnetic layer respectively, and the second write current is higher than the first write current.
摘要翻译: 某些实施例提供一种自旋存储器,其包括一个存储单元,该存储单元包括一个具有层叠结构的铁磁层叠膜,其中第一铁磁层,第一非磁性层,第二铁磁层,第二非磁性层和第三铁磁层堆叠在其中 该顺序或反向顺序,第三铁磁层和第二铁磁层经由第二非磁性层反铁磁交换耦合。 铁磁层叠膜包括电流路径,其中第一和第二写入电流从第一铁磁层流向第三铁磁层,以将第一和第二磁化状态分别写入第一铁磁层,并且第二写入电流高于 第一次写入电流。
-
公开(公告)号:US07247506B2
公开(公告)日:2007-07-24
申请号:US11389281
申请日:2006-03-27
申请人: Minoru Amano , Tatsuya Kishi , Yoshiaki Saito , Tomomasa Ueda , Hiroaki Yoda
发明人: Minoru Amano , Tatsuya Kishi , Yoshiaki Saito , Tomomasa Ueda , Hiroaki Yoda
IPC分类号: H01L21/00
CPC分类号: G11C11/15 , Y10T29/49021
摘要: There is provided a magnetic memory device which has a small switching current for a writing line and which has a small variation therein. A method for producing such a magnetic memory device includes: forming a magnetoresistive effect element; forming a first insulating film so as to cover the magnetoresistive effect element; forming a coating film so as to cover the first insulating film; exposing a top face of the magnetoresistive effect element; forming an upper writing line on the magnetoresistive effect element; exposing the first insulating film on a side portion of the magnetoresistive effect element by removing a part or all of the coating film; and forming a yoke structural member so as to cover at least a side portion of the upper writing line and so as to contact the exposed first insulating film on the side portion of the magnetoresistive effect element.
摘要翻译: 提供了一种对于写入线具有小的开关电流并且其变化小的磁存储器件。 一种制造这种磁存储器件的方法包括:形成磁阻效应元件; 形成第一绝缘膜以覆盖磁阻效应元件; 形成涂膜以覆盖第一绝缘膜; 暴露磁阻效应元件的顶面; 在磁阻效应元件上形成上部写入线; 通过去除一部分或全部涂膜,将第一绝缘膜暴露在磁阻效应元件的侧面上; 以及形成轭结构件,以便覆盖上部书写线的至少一个侧面部分,以便与该磁阻效应元件侧面上暴露的第一绝缘膜接触。
-
公开(公告)号:US07245464B2
公开(公告)日:2007-07-17
申请号:US11069991
申请日:2005-03-03
IPC分类号: G11B5/39
CPC分类号: H01L27/228 , B82Y10/00 , B82Y25/00 , G11B5/3903 , G11B5/3909 , G11C11/16 , H01F10/3268 , H01L43/08
摘要: A magnetoresistive effect element of a tunnel junction type includes a magnetic multi-layered film (1), ferromagnetic film (3) and intervening insulating film (2) such that a current flows between the magnetic multi-layered film and the ferromagnetic film, tunneling through the insulating film. The magnetic multi-layered film includes a first ferromagnetic layer, second ferromagnetic layer and anti-ferromagnetic layer inserted between the first and second ferromagnetic layers.
摘要翻译: 隧道结型的磁阻效应元件包括磁性多层膜(1),铁磁膜(3)和中间绝缘膜(2),使得电流在磁性多层膜和铁磁膜之间流动,隧穿 通过绝缘膜。 磁性多层膜包括插入第一和第二铁磁层之间的第一铁磁层,第二铁磁层和反铁磁层。
-
公开(公告)号:US20060146451A1
公开(公告)日:2006-07-06
申请号:US11367483
申请日:2006-03-06
CPC分类号: H01L27/228 , B82Y10/00 , B82Y25/00 , G01R33/093 , G11B5/3903 , G11B5/3909 , G11C11/15 , G11C11/16 , H01F10/3254 , H01F10/3263 , H01F10/3272 , H01F10/3281 , H01L27/224 , H01L43/08 , Y10T428/1121 , Y10T428/115
摘要: A magnetoresistive element has a ferromagnetic double tunnel junction having a stacked structure of a first antiferromagnetic layer/a first ferromagnetic layer/a first dielectric layer/a second ferromagnetic layer/a second dielectric layer/a third ferromagnetic layer/a second antiferromagnetic layer. The second ferromagnetic layer that is a free layer consists of a Co-based alloy or a three-layered film of a Co-based alloy/a Ni—Fe alloy/a Co-based alloy. A tunnel current is flowed between the first ferromagnetic layer and the third ferromagnetic layer.
-
公开(公告)号:US07023725B2
公开(公告)日:2006-04-04
申请号:US10864522
申请日:2004-06-10
申请人: Yoshiaki Saito , Tomomasa Ueda , Tatsuya Kishi , Minoru Amano
发明人: Yoshiaki Saito , Tomomasa Ueda , Tatsuya Kishi , Minoru Amano
IPC分类号: G11C7/00
CPC分类号: G11C11/15
摘要: There are provided at least one wire, a magnetoresistive effect element having a storage layer whose magnetization direction varies according to a current magnetic field generated by causing a current to flow in the wire, and first yokes provided so as to be spaced from at least one pair of opposed side faces of the magnetoresistive effect element to form a magnetic circuit in cooperation with the magnetoresistive effect element when a current is caused to flow in the wire. Each of the first yokes has at least two soft magnetic layers which are stacked via a non-magnetic layer.
摘要翻译: 提供了至少一根导线,一个磁阻效应元件,其具有存储层,其磁化方向根据通过使电流在线中流动而产生的电流磁场而变化,并且第一磁轭设置成与至少一个 磁阻效应元件的一对相对的侧面,当电流在电线中流动时与磁阻效应元件协同地形成磁路。 每个第一轭具有至少两个通过非磁性层堆叠的软磁性层。
-
10.
公开(公告)号:US20050078418A1
公开(公告)日:2005-04-14
申请号:US10968336
申请日:2004-10-20
申请人: Yoshiaki Saito , Masayuki Sagoi , Minoru Amano , Kentaro Nakajima , Shigeki Takahashi , Tatsuya Kishi
发明人: Yoshiaki Saito , Masayuki Sagoi , Minoru Amano , Kentaro Nakajima , Shigeki Takahashi , Tatsuya Kishi
IPC分类号: G01R33/09 , G11B5/39 , G11C11/14 , G11C11/15 , G11C11/16 , H01F10/26 , H01F10/32 , H01L21/8246 , H01L27/105 , H01L43/08 , G11B5/33 , G11B5/127
CPC分类号: H01L43/08 , B82Y10/00 , B82Y25/00 , G11B5/3903 , G11B5/3909 , G11B5/3954 , G11C11/15 , G11C11/16 , H01L27/224 , H01L27/228
摘要: There is provided a magnetoresistance effect element including a first pinned ferromagnetic layer, a second pinned ferromagnetic layer facing the first pinned ferromagnetic layer, surface regions of the first and second pinned ferromagnetic layer facing each other being different from each other in composition, a free ferromagnetic layer intervening between the first and second pinned ferromagnetic layers, a first tunnel barrier layer intervening between the first pinned ferromagnetic layer and the free ferromagnetic layer, and a second tunnel barrier layer intervening between the second pinned ferromagnetic layer and the free ferromagnetic layer.
摘要翻译: 提供了一种磁阻效应元件,包括第一被钉扎铁磁层,面对第一被钉扎铁磁层的第二钉扎铁磁层,第一和第二钉扎铁磁层彼此面对的表面区域在组成上彼此不同,自由铁磁性 介于第一和第二被钉扎铁磁层之间的介电层,介于第一被钉扎铁磁层和自由铁磁层之间的第一隧道势垒层以及介于第二钉扎铁磁层与自由铁磁层之间的第二隧道势垒层。
-
-
-
-
-
-
-
-
-