会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明专利
    • Magnetic storage element and nonvolatile storage device
    • 磁性存储元件和非易失存储器件
    • JP2014179381A
    • 2014-09-25
    • JP2013050910
    • 2013-03-13
    • Toshiba Corp株式会社東芝National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • SAIDA DAISUKEAMANO MINORUIMAMURA HIROSHI
    • H01L27/105H01L21/8246H01L29/82H01L43/08
    • H01L43/02G11C11/161G11C11/1659G11C11/1673G11C11/1675G11C11/5607H01L27/228H01L43/08
    • PROBLEM TO BE SOLVED: To provide a magnetic storage element and a nonvolatile storage device where malfunction is suppressed.SOLUTION: A magnetic storage element 110 includes a first lamination part SB1 and a second lamination part SB2. The first lamination part SB1 includes a first ferromagnetic layer 10, a second ferromagnetic layer 20, and a first non-magnetic layer 10n. A direction of magnetization of the first ferromagnetic layer 10 is fixed. The second ferromagnetic layer 20 includes a first part 21 and a second part 22. Directions of magnetization of the first and second parts are variable. A magnetic resonance frequency of the second part 22 is lower than that of the first part 21. The first non-magnetic layer 10n is provided between the first and second ferromagnetic layers. The second lamination part SB2 includes a third ferromagnetic layer 30 whose direction of magnetization is variable. When current flows to the first and second lamination parts, a rotating magnetic field is generated through precession of the magnetization of the third ferromagnetic layer 30. The magnetization of the first and second parts is directed in a direction corresponding to a direction of the current by action of spin-polarized electrons and the rotating magnetic field.
    • 要解决的问题:提供一种磁存储元件和抑制故障的非易失性存储装置。解决方案:磁存储元件110包括第一层叠部分SB1和第二层压部分SB2。 第一层叠部分SB1包括第一铁磁层10,第二铁磁层20和第一非磁性层10n。 第一铁磁层10的磁化方向是固定的。 第二铁磁层20包括第一部分21和第二部分22.第一部分和第二部分的磁化方向是可变的。 第二部分22的磁共振频率低于第一部分21的磁共振频率。第一非磁性层10n设置在第一和第二铁磁层之间。 第二层压部分SB2包括其磁化方向可变的第三铁磁层30。 当电流流到第一和第二层压部分时,通过第三铁磁层30的磁化的进动产生旋转磁场。第一和第二部分的磁化沿着与电流方向对应的方向指向 自旋极化电子的作用和旋转磁场。
    • 5. 发明专利
    • Magnetic memory
    • 磁记忆
    • JP2014067810A
    • 2014-04-17
    • JP2012210980
    • 2012-09-25
    • Toshiba Corp株式会社東芝
    • SHIMOMURA NAOHARUKITAGAWA EIJIKAMATA SHINGIAMANO MINORUOSAWA YUICHISAIDA DAISUKE
    • H01L21/8246H01L27/105H01L29/82H01L43/08
    • H01L43/02G11C11/155G11C11/161G11C11/1657G11C11/1659H01L27/228H01L43/08H01L43/12
    • PROBLEM TO BE SOLVED: To allow an RH curve of a storage layer to be shifted regardless of saturation magnetization of a reference layer.SOLUTION: A magnetic memory of an embodiment includes a plurality of magnetoresistive elements MTJ which intersect in the first direction and are arranged in a second direction and each of which comprises a lamination structure in which a storage layer 10, a tunnel barrier layer 11, and a reference layer 12 are arranged in this order in a first direction; a conductive wire 18 which extends in the second direction and commonly connected with the plurality of magnetoresistive elements MTJ; insulation layers 17 which surround respective storage layers 10 of the plurality of magnetoresistive elements MTJ; and a shift correction layer 13 which are arranged adjacent to the second direction ends of the plurality of magnetoresistive elements MTJ. Two shift correction layers 13 arranged along a third direction are mutually separated. Further, the magnetization direction of the reference layer 12 and the magnetization direction of the shift correction layers 13 are the same.
    • 要解决的问题:为了允许存储层的RH曲线移动,而与基准层的饱和磁化强度无关。解决方案:一个实施例的磁存储器包括多个在第一方向上相交并且被布置的磁阻元件MTJ 在第二方向上,每一个都包括其中存储层10,隧道势垒层11和参考层12沿第一方向依次布置的叠层结构; 导线18,其在第二方向上延伸并与多个磁阻元件MTJ共同连接; 围绕多个磁阻元件MTJ的各个存储层10的绝缘层17; 以及与多个磁阻元件MTJ的第二方向端相邻配置的偏移校正层13。 沿着第三方向布置的两个偏移校正层13相互分离。 此外,参考层12的磁化方向和偏移校正层13的磁化方向相同。
    • 6. 发明专利
    • Nonvolatile memory device
    • 非易失性存储器件
    • JP2014067469A
    • 2014-04-17
    • JP2012213274
    • 2012-09-26
    • Toshiba Corp株式会社東芝
    • SAIDA DAISUKEAMANO MINORUSHIMOMURA NAOHARU
    • G11C11/15H01L21/8246H01L27/105H01L29/82H01L43/08
    • G11C11/1675G11C11/161
    • PROBLEM TO BE SOLVED: To provide a nonvolatile memory device capable of suppressing malfunction.SOLUTION: According to an embodiment, there is provided a nonvolatile memory device including a magnetic memory element and a control unit. The magnetic memory element includes first and second laminated sections. The first laminated section includes a first ferromagnetic layer, a second ferromagnetic layer, and a first nonmagnetic layer. The magnetizing direction of the second ferromagnetic layer is variable. The second laminated section includes a third ferromagnetic layer and a nonmagnetic tunnel barrier layer. The magnetizing direction of the third ferromagnetic layer is variable. The control unit performs a first operation to set the magnetic memory element to a first state. The first operation includes a first preliminary operation for applying a first pulse voltage having a first rising time period to the magnetic memory element, and a first setting operation for applying a second pulse voltage having a second rising time period which is longer than the first rising time period to the magnetic memory element after the first preliminary operation.
    • 要解决的问题:提供一种能够抑制故障的非易失性存储装置。解决方案:根据实施例,提供一种包括磁存储元件和控制单元的非易失性存储装置。 磁存储元件包括第一和第二层压部分。 第一层压部分包括第一铁磁层,第二铁磁层和第一非磁性层。 第二铁磁层的磁化方向是可变的。 第二层压部分包括第三铁磁层和非磁性隧道势垒层。 第三铁磁层的磁化方向是可变的。 控制单元执行第一操作以将磁存储元件设置为第一状态。 第一操作包括用于将具有第一上升时间周期的第一脉冲电压施加到磁存储元件的第一初步操作和用于施加具有比第一上升时间长的第二上升时间段的第二脉冲电压的第一设置操作 在第一初步操作之后到磁存储元件的时间段。
    • 7. 发明专利
    • Magnetic storage element and nonvolatile storage
    • 磁性存储元件和非易失性存储
    • JP2013197317A
    • 2013-09-30
    • JP2012062938
    • 2012-03-20
    • Toshiba Corp株式会社東芝
    • SAIDA DAISUKEAMANO MINORUITO JUNICHI
    • H01L21/8246H01L27/105H01L29/82H01L43/08
    • H01L43/08G11C11/161G11C11/1659H01L27/228H01L43/12
    • PROBLEM TO BE SOLVED: To provide a magnetic storage element in which malfunction is suppressed, and to provide a nonvolatile storage.SOLUTION: The magnetic storage element includes a laminate and a shield. The laminate includes a first laminate, and a second laminate. The first laminate includes a first ferromagnetic layer having a main surface and the direction of magnetization of which is fixed in a first direction, a second ferromagnetic layer the direction of magnetization of which is variable in a second direction, and a first nonmagnetic layer provided between the first ferromagnetic layer and second ferromagnetic layer. The second laminate includes a third ferromagnetic layer. The third ferromagnetic layer is laminated on the first laminate in the lamination direction perpendicular to the main surface, and the direction of magnetization of which is variable in a third direction. The shield faces at least a partial side face of the second laminate and the potential of which is controllable.
    • 要解决的问题:提供抑制故障的磁存储元件,并提供非易失性存储器。解决方案:磁存储元件包括层压板和屏蔽件。 层压体包括第一层压板和第二层压板。 第一层压体包括第一铁磁层,其具有主表面并且其磁化方向在第一方向上固定,第二铁磁层的磁化方向在第二方向上可变;以及第一非磁性层, 第一铁磁层和第二铁磁层。 第二层压板包括第三铁磁层。 第三铁磁层在垂直于主表面的层叠方向上层叠在第一层叠体上,其磁化方向在第三方向上变化。 屏蔽面向第二层压板的至少一部分侧面,其电位是可控的。
    • 8. 发明专利
    • Magnetic storage element and nonvolatile storage device
    • 磁性存储元件和非易失存储器件
    • JP2013069819A
    • 2013-04-18
    • JP2011206661
    • 2011-09-21
    • Toshiba Corp株式会社東芝
    • SAIDA DAISUKEAMANO MINORUITO JUNICHI
    • H01L21/8246H01L27/105H01L29/82H01L43/08
    • G11C11/16G11C11/161G11C11/1659G11C11/1673G11C11/1675H01L27/228H01L43/08
    • PROBLEM TO BE SOLVED: To provide a magnetic storage element and a nonvolatile storage device which are capable of a stable operation.SOLUTION: According to an embodiment, a magnetic storage element includes first and second lamination parts. The first laminate part includes a first ferromagnetic layer, a first non-magnetic layer and a second ferromagnetic layer. The first ferromagnetic layer has magnetization fixed to a direction perpendicular to a surface and the second ferromagnetic layer has a magnetization direction variable to a direction perpendicular to the surface. The second lamination part includes a third ferromagnetic layer, a second non-magnetic layer and a fourth ferromagnetic layer. The third ferromagnetic layer has a magnetization direction variable to an in-plane direction and the fourth ferromagnetic layer has magnetization fixed to a direction perpendicular to the surface. A leak field Hs from the first, second and fourth ferromagnetic layers at a position of the third ferromagnetic layer, magnetic anisotropy Ku, damping constants α, magnetization Ms and a demagnetization factor Nz of the third ferromagnetic layer satisfy the following relational expression: Ku≤αMs(8πNzMs-Hs). A spin polarized electron and a revolving magnetic field generated in the third ferromagnetic layer act on the second ferromagnetic layer thereby to determine a magnetization direction of the second ferromagnetic layer.
    • 要解决的问题:提供能够稳定操作的磁存储元件和非易失性存储装置。 解决方案:根据实施例,磁存储元件包括第一和第二层压部件。 第一层压部件包括第一铁磁层,第一非磁性层和第二铁磁层。 第一铁磁层具有固定在垂直于表面的方向上的磁化,第二铁磁层具有与垂直于表面的方向可变的磁化方向。 第二层压部件包括第三铁磁层,第二非磁性层和第四铁磁层。 第三铁磁层的磁化方向可以在面内方向上变化,第四铁磁层具有固定在垂直于表面的方向上的磁化。 在第三铁磁层的位置处的第一,第二和第四铁磁层的漏磁场Hs,第三铁磁层的磁各向异性Ku,阻尼常数α,磁化强度Ms和退磁系数Nz满足以下关系式:Ku≤ αMs(8πNzMs-Hs)。 在第三铁磁层中产生的自旋极化电子和旋转磁场作用在第二铁磁层上,从而确定第二铁磁层的磁化方向。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Magnetic element and nonvolatile storage device
    • 磁性元件和非易失存储器件
    • JP2012204688A
    • 2012-10-22
    • JP2011068928
    • 2011-03-25
    • Toshiba Corp株式会社東芝
    • SAIDA DAISUKEAMANO MINORUITO JUNICHIOSAWA YUICHIKASHIWADA SAORIKAMATA SHINGIDAIBO TATATOMI
    • H01L27/105G11C11/15H01L21/8246H01L29/82H01L43/08
    • G11C11/161G11C11/1655G11C11/1659G11C11/1673G11C11/1675H01L27/228H01L43/08
    • PROBLEM TO BE SOLVED: To provide a magnetic element and a nonvolatile storage device which inhibit write disturb in read time.SOLUTION: According to an embodiment, a magnetic element comprises a first conductive layer, a second conductive layer, intermediate wiring, a first lamination part and a second lamination part. The intermediate wiring is provided between the first conductive layer and the second conductive layer. The first lamination part is provided between the first conductive layer and the intermediate wiring. The first lamination part includes a first ferromagnetic layer having magnetization fixed in a first direction, a second ferromagnetic layer laminated on the first ferromagnetic layer and having a variable magnetization direction and a first non-magnetic layer provided between the first ferromagnetic layer and the second ferromagnetic layer. The second lamination part is provided between the second conductive layer and the intermediate wiring. The second lamination part includes a third ferromagnetic layer having a variable magnetization direction, a fourth ferromagnetic layer laminated on the third ferromagnetic layer and having magnetization fixed in a second direction and a second non-magnetic layer provided between the third ferromagnetic layer and the fourth ferromagnetic layer.
    • 要解决的问题:提供一种在读取时间内抑制写入干扰的磁性元件和非易失性存储装置。 解决方案:根据实施例,磁性元件包括第一导电层,第二导电层,中间布线,第一层叠部分和第二层压部分。 中间布线设置在第一导电层和第二导电层之间。 第一层叠部件设置在第一导电层和中间布线之间。 第一层压部件包括具有沿第一方向固定的磁化的第一铁磁层,层压在第一铁磁层上并具有可变磁化方向的第二铁磁层和设置在第一铁磁层和第二铁磁层之间的第一非磁性层 层。 第二层压部件设置在第二导电层和中间布线之间。 第二层压部件包括具有可变磁化方向的第三铁磁层,层压在第三铁磁层上并具有沿第二方向固定的磁化的第四铁磁层和设置在第三铁磁层和第四铁磁层之间的第二非磁性层 层。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Method of manufacturing magnetic random access memory, and method of manufacturing embedded memory
    • 制造磁性随机存取存储器的方法和制造嵌入式存储器的方法
    • JP2010182824A
    • 2010-08-19
    • JP2009024102
    • 2009-02-04
    • Toshiba Corp株式会社東芝
    • KAJIYAMA TAKESHIASAO YOSHIAKIAMANO MINORUTAKAHASHI SHIGEKIIWAYAMA MASAYOSHISUGIURA KUNIAKI
    • H01L21/8246H01L27/105H01L43/08H01L43/12
    • H01L43/12G11C11/161H01L27/228
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a magnetic random access memory and a method of manufacturing an embedded memory, capable of suppressing an alignment error of a pattern. SOLUTION: The method of manufacturing a magnetic random access memory includes: a step of forming a magnetic material 10 of a magnetoresistive effect element on a lower electrode 9; a step of forming an upper electrode 14 on the magnetic material; a step of applying a resist for nano-imprint lithography on the upper electrode; a step of forming a first pattern or a second pattern in the resist by bringing a first template 20 or a second template into contact with the resist to cure the resist, wherein the first pattern of the magnetoresistive effect element and the lower electrode are formed in the first template, and the second pattern of the magnetoresistive effect element and the upper electrode are formed in the second template; and a step of collectively patterning the magnetic material and the lower electrode by using the resist having the first pattern, or collectively patterning the magnetic material and the upper electrode by using the resist having the second pattern. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供能够抑制图案的对准误差的磁性随机存取存储器的制造方法和嵌入式存储器的制造方法。 解决方案:制造磁随机存取存储器的方法包括:在下电极9上形成磁阻效应元件的磁性材料10的步骤; 在磁性材料上形成上部电极14的步骤; 在上电极上施加纳米压印光刻抗蚀剂的步骤; 通过使第一模板20或第二模板与抗蚀剂接触来固化抗蚀剂,在抗蚀剂中形成第一图案或第二图案的步骤,其中形成磁阻效应元件和下电极的第一图案 在第二模板中形成第一模板和磁阻效应元件和上电极的第二图案; 以及通过使用具有第一图案的抗蚀剂来共同构图磁性材料和下电极的步骤,或者通过使用具有第二图案的抗蚀剂来共同构图磁性材料和上电极。 版权所有(C)2010,JPO&INPIT