Magnetic recording element and nonvolatile memory device
    1.
    发明授权
    Magnetic recording element and nonvolatile memory device 失效
    磁记录元件和非易失性存储器件

    公开(公告)号:US08508979B2

    公开(公告)日:2013-08-13

    申请号:US13228040

    申请日:2011-09-08

    IPC分类号: G11C11/00

    摘要: According to one embodiment, a magnetic recording element includes a stacked body. The stacked body includes a first and a second stacked unit. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit is stacked with the first stacked unit and includes third and fourth ferromagnetic layers and a second nonmagnetic layer. The fourth ferromagnetic layer is stacked with the third ferromagnetic layer. The second nonmagnetic layer is provided between the third and fourth ferromagnetic layers. An outer edge of the fourth ferromagnetic layer includes a portion outside an outer edge of the first stacked unit in a plane. A magnetization direction of the second ferromagnetic layer is determined by causing a spin-polarized electron and a rotating magnetic field to act on the second ferromagnetic layer.

    摘要翻译: 根据一个实施例,磁记录元件包括堆叠体。 堆叠体包括第一和第二堆叠单元。 第一堆叠单元包括第一和第二铁磁层和第一非磁性层。 第一非磁性层设置在第一和第二铁磁层之间。 第二堆叠单元与第一堆叠单元堆叠并且包括第三和第四铁磁层和第二非磁性层。 第四铁磁层与第三铁磁层层叠。 第二非磁性层设置在第三和第四铁磁层之间。 第四铁磁层的外边缘包括平面内第一堆叠单元的外边缘外侧的部分。 通过使自旋极化电子和旋转磁场作用于第二铁磁层来确定第二铁磁层的磁化方向。

    Magnetic recording element and nonvolatile memory device
    2.
    发明授权
    Magnetic recording element and nonvolatile memory device 有权
    磁记录元件和非易失性存储器件

    公开(公告)号:US08488375B2

    公开(公告)日:2013-07-16

    申请号:US13037592

    申请日:2011-03-01

    IPC分类号: G11C11/14

    摘要: According to one embodiment, a magnetic recording element includes a stacked body including a first stacked unit and a second stacked unit. The first stacked unit includes a first ferromagnetic layer, a second ferromagnetic layer and a first nonmagnetic layer. Magnetization of the first ferromagnetic layer is substantially fixed in a first direction being perpendicular to a first ferromagnetic layer surface. The second stacked unit includes a third ferromagnetic layer, a fourth ferromagnetic layer and a second nonmagnetic layer. Magnetization of the fourth ferromagnetic layer is substantially fixed in a second direction being perpendicular to a fourth ferromagnetic layer surface. The first direction is opposite to the second direction.

    摘要翻译: 根据一个实施例,磁记录元件包括包括第一堆叠单元和第二堆叠单元的堆叠体。 第一堆叠单元包括第一铁磁层,第二铁磁层和第一非磁性层。 第一铁磁层的磁化在垂直于第一铁磁层表面的第一方向上基本固定。 第二堆叠单元包括第三铁磁层,第四铁磁层和第二非磁性层。 第四铁磁层的磁化在垂直于第四铁磁层表面的第二方向上基本固定。 第一方向与第二方向相反。

    Master for producing stamper
    3.
    发明授权
    Master for producing stamper 有权
    主机生产压模

    公开(公告)号:US08431210B2

    公开(公告)日:2013-04-30

    申请号:US13613667

    申请日:2012-09-13

    IPC分类号: B32B3/00 B32B3/28 B32B3/30

    摘要: In one embodiment, there is provided a master for producing a stamper. The master includes: a substrate made of a first material and comprising a first surface, wherein the first surface of the substrate is formed with a groove; a first layer made of a second material and formed in the groove, wherein the second material is different from the first material, and wherein a surface of the first layer is substantially flush with the first surface of substrate; and a projection portion formed on at least one of the first surface of the substrate and the surface of the first layer. The first material is silicon and the second material is selected from silicon oxide, aluminum oxide, titanium oxide, and glass.

    摘要翻译: 在一个实施例中,提供了一种用于制造压模的主机。 主机包括:由第一材料制成并包括第一表面的基板,其中基板的第一表面形成有凹槽; 由第二材料制成并形成在所述凹槽中的第一层,其中所述第二材料与所述第一材料不同,并且其中所述第一层的表面基本上与所述基板的第一表面齐平; 以及形成在所述基板的第一表面和所述第一层的表面中的至少一个上的突出部。 第一种材料是硅,第二种材料选自氧化硅,氧化铝,氧化钛和玻璃。

    Concave-convex pattern forming method and magnetic tunnel junction element forming method
    4.
    发明授权
    Concave-convex pattern forming method and magnetic tunnel junction element forming method 有权
    凹凸图案形成方法和磁隧道结元件形成方法

    公开(公告)号:US08420499B2

    公开(公告)日:2013-04-16

    申请号:US13300062

    申请日:2011-11-18

    IPC分类号: H01L21/76

    摘要: A method of forming a concave-convex pattern according to an embodiment includes: forming a guide pattern on a base material, the guide pattern having a convex portion; forming a formative layer on the guide pattern, the formative layer including a stacked structure formed by stacking a first layer and a second layer, the first layer including at least one element selected from a first metal element and a metalloid element, the second layer including a second metal element different from the first metal element; selectively leaving the formative layer only at side faces of the convex portions by performing etching on the formative layer; removing the guide pattern; and forming the concave-convex pattern in the base material by performing etching on the base material, with the remaining formative layer being used as a mask.

    摘要翻译: 根据实施例的形成凹凸图案的方法包括:在基材上形成引导图案,所述引导图案具有凸部; 在引导图案上形成形成层,所述形成层包括通过层叠第一层和第二层而形成的层叠结构,所述第一层包括选自第一金属元素和准金属元素中的至少一种元素,所述第二层包括 与第一金属元件不同的第二金属元件; 通过在形成层上进行蚀刻,仅选择性地离开形成层在凸部的侧面; 去除引导图案; 并且通过在基材上进行蚀刻,将其余形成层用作掩模,在基材中形成凹凸图案。

    MAGNETIC ELEMENT AND NONVOLATILE MEMORY DEVICE
    5.
    发明申请
    MAGNETIC ELEMENT AND NONVOLATILE MEMORY DEVICE 失效
    磁性元件和非易失性存储器件

    公开(公告)号:US20120243308A1

    公开(公告)日:2012-09-27

    申请号:US13227959

    申请日:2011-09-08

    IPC分类号: G11C11/15 H01L29/82

    摘要: According to one embodiment, a magnetic element includes first and second conductive layers, an intermediate interconnection, and first and second stacked units. The intermediate interconnection is provided between the conductive layers. The first stacked unit is provided between the first conductive layer and the interconnection, and includes first and second ferromagnetic layer and a first nonmagnetic layer provided between the first and second ferromagnetic layers. The second stacked unit is provided between the second conductive layer and the interconnection, and includes third and fourth ferromagnetic layers and a second nonmagnetic layer provided between the third and fourth ferromagnetic layers. A magnetization direction of the second ferromagnetic layer is determined by causing a spin-polarized electron and a magnetic field to act on the second ferromagnetic layer.

    摘要翻译: 根据一个实施例,磁性元件包括第一和第二导电层,中间互连以及第一和第二堆叠单元。 中间互连设置在导电层之间。 第一层叠单元设置在第一导电层和互连之间,并且包括第一和第二铁磁层和设置在第一和第二铁磁层之间的第一非磁性层。 第二堆叠单元设置在第二导电层和互连之间,并且包括第三和第四铁磁层以及设置在第三和第四铁磁层之间的第二非磁性层。 通过使自旋极化电子和磁场作用于第二铁磁层来确定第二铁磁层的磁化方向。

    CONCAVE-CONVEX PATTERN FORMING METHOD AND MAGNETIC TUNNEL JUNCTION ELEMENT FORMING METHOD
    6.
    发明申请
    CONCAVE-CONVEX PATTERN FORMING METHOD AND MAGNETIC TUNNEL JUNCTION ELEMENT FORMING METHOD 有权
    凹凸图案形成方法和磁性隧道结构元素形成方法

    公开(公告)号:US20120115250A1

    公开(公告)日:2012-05-10

    申请号:US13300062

    申请日:2011-11-18

    IPC分类号: H01L21/02 H01L21/28

    摘要: A method of forming a concave-convex pattern according to an embodiment includes: forming a guide pattern on a base material, the guide pattern having a convex portion; forming a formative layer on the guide pattern, the formative layer including a stacked structure formed by stacking a first layer and a second layer, the first layer including at least one element selected from a first metal element and a metalloid element, the second layer including a second metal element different from the first metal element; selectively leaving the formative layer only at side faces of the convex portions by performing etching on the formative layer; removing the guide pattern; and forming the concave-convex pattern in the base material by performing etching on the base material, with the remaining formative layer being used as a mask.

    摘要翻译: 根据实施例的形成凹凸图案的方法包括:在基材上形成引导图案,所述引导图案具有凸部; 在引导图案上形成形成层,所述形成层包括通过层叠第一层和第二层而形成的层叠结构,所述第一层包括选自第一金属元素和准金属元素中的至少一种元素,所述第二层包括 与第一金属元件不同的第二金属元件; 通过在形成层上进行蚀刻,仅选择性地离开形成层在凸部的侧面; 去除引导图案; 并且通过在基材上进行蚀刻,将其余形成层用作掩模,在基材中形成凹凸图案。

    METHOD OF PRODUCING MASK
    7.
    发明申请
    METHOD OF PRODUCING MASK 有权
    生产面膜的方法

    公开(公告)号:US20110244688A1

    公开(公告)日:2011-10-06

    申请号:US12873652

    申请日:2010-09-01

    IPC分类号: H01L21/311

    CPC分类号: H01L21/0337 H01L43/12

    摘要: According to one embodiment, a method of producing a mask includes: a step of forming a pattern on a substrate; a step of forming a first film that covers the top surface and side surface of the pattern and contains a first material; a step of forming a second film containing a second material on the first film; a step of performing anisotropic etching of the first and second films in a way that forms a sidewall layer including the first and second films on the side surface of the pattern and removes the first and second films on any location other than the sidewall layer; a step of performing isotropic etching of the first film of the sidewall layer; and a step of removing the pattern.

    摘要翻译: 根据一个实施例,制造掩模的方法包括:在基板上形成图案的步骤; 形成覆盖图案的顶表面和侧表面并包含第一材料的第一膜的步骤; 在所述第一膜上形成含有第二材料的第二膜的步骤; 以在图案的侧表面上形成包括第一和第二膜的侧壁层的方式进行第一和第二膜的各向异性蚀刻的步骤,并且除了侧壁层之外的任何位置去除第一和第二膜; 对侧壁层的第一膜进行各向同性蚀刻的步骤; 以及去除图案的步骤。

    Magnetic element and nonvolatile memory device
    8.
    发明授权
    Magnetic element and nonvolatile memory device 失效
    磁性元件和非易失性存储器件

    公开(公告)号:US08576616B2

    公开(公告)日:2013-11-05

    申请号:US13227959

    申请日:2011-09-08

    IPC分类号: G11C11/00

    摘要: According to one embodiment, a magnetic element includes first and second conductive layers, an intermediate interconnection, and first and second stacked units. The intermediate interconnection is provided between the conductive layers. The first stacked unit is provided between the first conductive layer and the interconnection, and includes first and second ferromagnetic layer and a first nonmagnetic layer provided between the first and second ferromagnetic layers. The second stacked unit is provided between the second conductive layer and the interconnection, and includes third and fourth ferromagnetic layers and a second nonmagnetic layer provided between the third and fourth ferromagnetic layers. A magnetization direction of the second ferromagnetic layer is determined by causing a spin-polarized electron and a magnetic field to act on the second ferromagnetic layer.

    摘要翻译: 根据一个实施例,磁性元件包括第一和第二导电层,中间互连以及第一和第二堆叠单元。 中间互连设置在导电层之间。 第一层叠单元设置在第一导电层和互连之间,并且包括第一和第二铁磁层和设置在第一和第二铁磁层之间的第一非磁性层。 第二堆叠单元设置在第二导电层和互连之间,并且包括第三和第四铁磁层以及设置在第三和第四铁磁层之间的第二非磁性层。 通过使自旋极化电子和磁场作用于第二铁磁层来确定第二铁磁层的磁化方向。

    MAGNETIC RECORDING ELEMENT AND NONVOLATILE MEMORY DEVICE
    9.
    发明申请
    MAGNETIC RECORDING ELEMENT AND NONVOLATILE MEMORY DEVICE 失效
    磁记录元件和非易失性存储器件

    公开(公告)号:US20120236633A1

    公开(公告)日:2012-09-20

    申请号:US13228040

    申请日:2011-09-08

    IPC分类号: G11C11/15 G11B5/66

    摘要: According to one embodiment, a magnetic recording element includes a stacked body. The stacked body includes a first and a second stacked unit. The first stacked unit includes first and second ferromagnetic layers and a first nonmagnetic layer. The first nonmagnetic layer is provided between the first and second ferromagnetic layers. The second stacked unit is stacked with the first stacked unit and includes third and fourth ferromagnetic layers and a second nonmagnetic layer. The fourth ferromagnetic layer is stacked with the third ferromagnetic layer. The second nonmagnetic layer is provided between the third and fourth ferromagnetic layers. An outer edge of the fourth ferromagnetic layer includes a portion outside an outer edge of the first stacked unit in a plane. A magnetization direction of the second ferromagnetic layer is determined by causing a spin-polarized electron and a rotating magnetic field to act on the second ferromagnetic layer.

    摘要翻译: 根据一个实施例,磁记录元件包括堆叠体。 堆叠体包括第一和第二堆叠单元。 第一堆叠单元包括第一和第二铁磁层和第一非磁性层。 第一非磁性层设置在第一和第二铁磁层之间。 第二堆叠单元与第一堆叠单元堆叠并且包括第三和第四铁磁层和第二非磁性层。 第四铁磁层与第三铁磁层层叠。 第二非磁性层设置在第三和第四铁磁层之间。 第四铁磁层的外边缘包括平面内第一堆叠单元的外边缘外侧的部分。 通过使自旋极化电子和旋转磁场作用于第二铁磁层来确定第二铁磁层的磁化方向。

    MAGNETIC MEMORY AND METHOD OF MANUFACTURING THE SAME
    10.
    发明申请
    MAGNETIC MEMORY AND METHOD OF MANUFACTURING THE SAME 有权
    磁记忆及其制造方法

    公开(公告)号:US20120074511A1

    公开(公告)日:2012-03-29

    申请号:US13231894

    申请日:2011-09-13

    IPC分类号: H01L27/22 H01L43/12 H01L43/02

    摘要: A magnetic memory according to an embodiment includes: at least one memory cell comprising a magnetoresistive element as a memory element, and first and second electrodes that energize the magnetoresistive element. The magnetoresistive element includes: a first magnetic layer having a variable magnetization direction perpendicular to a film plane; a tunnel barrier layer on the first magnetic layer; and a second magnetic layer on the tunnel barrier layer, and having a fixed magnetization direction perpendicular to the film plane. The first magnetic layer including: a first region; and a second region outside the first region so as to surround the first region, and having a smaller perpendicular magnetic anisotropy energy than that of the first region. The second magnetic layer including: a third region; and a fourth region outside the third region, and having a smaller perpendicular magnetic anisotropy energy than that of the third region.

    摘要翻译: 根据实施例的磁存储器包括:包括作为存储元件的磁阻元件的至少一个存储单元,以及激励磁阻元件的第一和第二电极。 磁阻元件包括:具有与膜平面垂直的可变磁化方向的第一磁性层; 在第一磁性层上的隧道阻挡层; 以及隧道势垒层上的第二磁性层,并且具有与膜平面垂直的固定的磁化方向。 所述第一磁性层包括:第一区域; 以及围绕第一区域的第一区域外的第二区域,并且具有比第一区域小的垂直磁各向异性能量。 第二磁性层包括:第三区域; 以及第三区域外的第四区域,并且具有比第三区域小的垂直磁各向异性能量。