Methods of operating magnetic random access memory device using spin injection and related devices
    31.
    发明授权
    Methods of operating magnetic random access memory device using spin injection and related devices 有权
    使用自旋注入和相关器件操作磁性随机存取存储器件的方法

    公开(公告)号:US07164598B2

    公开(公告)日:2007-01-16

    申请号:US11201495

    申请日:2005-08-11

    IPC分类号: G11C11/00 G11C11/15

    CPC分类号: G11C11/16

    摘要: Methods are provided for operating a magnetic random access memory device including a memory cell having a magnetic tunnel junction structure on a substrate. In particular, a writing current pulse may be provided through the magnetic tunnel junction structure, and a writing magnetic field pulse may be provided through the magnetic tunnel junction structure. In addition, at least a portion of the writing magnetic field pulse may be overlapping in time with respect to at least a portion of the writing current pulse, and at least a portion of the writing current pulse and/or at least a portion of the writing magnetic field pulse may be non-overlapping in time with respect to the other. Related devices are also discussed.

    摘要翻译: 提供了用于操作包括在衬底上具有磁性隧道结结构的存储单元的磁性随机存取存储器件的方法。 特别地,可以通过磁性隧道结结构提供写入电流脉冲,并且可以通过磁性隧道结结构提供写入磁场脉冲。 此外,写入磁场脉冲的至少一部分可以相对于写入电流脉冲的至少一部分在时间上重叠,并且写入电流脉冲的至少一部分和/或至少一部分 写入磁场脉冲可能在时间上相对于另一个不重叠。 还讨论了相关设备。

    Magnetic random access memory devices including heat generating layers and related methods
    32.
    发明授权
    Magnetic random access memory devices including heat generating layers and related methods 有权
    磁性随机存取存储器件包括发热层和相关方法

    公开(公告)号:US07092283B2

    公开(公告)日:2006-08-15

    申请号:US10795600

    申请日:2004-03-08

    IPC分类号: G11C11/00 G11C11/14

    摘要: A magnetic random access memory device may include a first electrode on a substrate, a magnetic tunneling junction element electrically connected to the electrode, and a second electrode electrically connected to the first electrode through the magnetic tunneling junction element. In addition, a heat generating layer may be electrically connected in series between the first and second electrodes, and the heat generating layer may provide a relatively high resistance with respect to electrical current flow. Related methods are also discussed.

    摘要翻译: 磁性随机存取存储器件可以包括在衬底上的第一电极,电连接到电极的磁性隧道接合元件,以及通过磁性隧道结接合元件电连接到第一电极的第二电极。 此外,发热层可以串联地电连接在第一和第二电极之间,并且发热层可以相对于电流流动提供相对较高的电阻。 还讨论了相关方法。

    Twin-cell semiconductor memory devices

    公开(公告)号:US20060023494A1

    公开(公告)日:2006-02-02

    申请号:US11094948

    申请日:2005-03-31

    IPC分类号: G11C11/00

    摘要: Twin cell type semiconductor memory devices are provided that include a plurality of main bit lines and a plurality of reference bit lines. Each of the reference bit lines correspond to respective ones of the main bit lines to form a plurality of bit line pairs. A plurality of sense amplifiers are provided that are electrically connected to a respective one of the plurality of bit line pairs. At least one of the plurality of main bit lines or the plurality of reference bit lines is interposed between the main bit line and the corresponding reference bit line of each bit line pair. At least some of the main bit lines may cross respective ones of the reference bit lines in a sense amplifier region of the semiconductor memory device that contains the plurality of sense amplifiers.

    Phase change memory devices and their methods of fabrication
    35.
    发明授权
    Phase change memory devices and their methods of fabrication 有权
    相变存储器件及其制造方法

    公开(公告)号:US08120005B2

    公开(公告)日:2012-02-21

    申请号:US12544104

    申请日:2009-08-19

    IPC分类号: H01L45/00

    摘要: In an embodiment, a phase change memory device includes a semiconductor substrate of a first conductivity type and a first interlayer insulating layer disposed on the semiconductor substrate. A hole penetrates the first interlayer insulating layer. A first and a second semiconductor pattern are sequentially stacked in a lower region of the hole. A cell electrode is provided on the second semiconductor pattern. The cell electrode has a lower surface than a top surface of the first interlayer insulating layer. A confined phase change material pattern fills the hole on the cell electrode. An upper electrode is disposed on the phase change material pattern. The phase change material pattern in the hole is self-aligned with the first and second semiconductor patterns by the hole. A method of fabricating the phase change memory device is also provided.

    摘要翻译: 在一个实施例中,相变存储器件包括第一导电类型的半导体衬底和设置在半导体衬底上的第一层间绝缘层。 一个孔穿透第一层间绝缘层。 第一和第二半导体图案顺序地堆叠在孔的下部区域中。 电池电极设置在第二半导体图案上。 电池电极具有比第一层间绝缘层的顶表面更低的表面。 限制的相变材料图案填充电池电极上的孔。 上电极设置在相变材料图案上。 孔中的相变材料图案通过孔与第一和第二半导体图案自对准。 还提供了制造相变存储器件的方法。

    Non-volatile memory devices having improved operational characteristics
    36.
    发明授权
    Non-volatile memory devices having improved operational characteristics 有权
    具有改进的操作特性的非易失性存储器件

    公开(公告)号:US07989869B2

    公开(公告)日:2011-08-02

    申请号:US11613345

    申请日:2006-12-20

    IPC分类号: H01L29/76 H01L29/788

    摘要: Nonvolatile memory devices are provided. Devices include active regions that may be defined by device isolation layers formed on a semiconductor substrate and extend in a first direction. Devices may also include word lines that may cross over the active regions and extend in a second direction intersecting the first direction. The active regions have a first pitch and the word lines have a second pitch that is greater than the first pitch.

    摘要翻译: 提供非易失性存储器件。 器件包括可由形成在半导体衬底上并沿第一方向延伸的器件隔离层限定的有源区。 设备还可以包括字线,其可以跨越有效区域并且沿与第一方向相交的第二方向延伸。 有源区具有第一间距,并且字线具有大于第一间距的第二间距。

    Phase change memory cells having a cell diode and a bottom electrode self-aligned with each other
    37.
    发明授权
    Phase change memory cells having a cell diode and a bottom electrode self-aligned with each other 失效
    具有单元二极管和底部电极彼此自对准的相变存储单元

    公开(公告)号:US07671395B2

    公开(公告)日:2010-03-02

    申请号:US12240267

    申请日:2008-09-29

    IPC分类号: H01L27/108

    摘要: Integrated circuit devices are provide having a vertical diode therein. The devices include an integrated circuit substrate and an insulating layer on the integrated circuit substrate. A contact hole penetrates the insulating layer. A vertical diode is in lower region of the contact hole and a bottom electrode in the contact hole has a bottom surface on a top surface of the vertical diode. The bottom electrode is self-aligned with the vertical diode. A top surface area of the bottom electrode is less than a horizontal section area of the contact hole. Methods of forming the integrated circuit devices and phase change memory cells are also provided.

    摘要翻译: 在其中提供具有垂直二极管的集成电路器件。 这些器件包括集成电路衬底和集成电路衬底上的绝缘层。 接触孔穿透绝缘层。 垂直二极管位于接触孔的下部区域中,接触孔中的底部电极在垂直二极管的顶面具有底面。 底部电极与垂直二极管自对准。 底部电极的顶表面积小于接触孔的水平截面面积。 还提供了形成集成电路器件和相变存储器单元的方法。

    Twin-cell semiconductor memory devices
    38.
    发明授权
    Twin-cell semiconductor memory devices 有权
    双电池半导体存储器件

    公开(公告)号:US07577016B2

    公开(公告)日:2009-08-18

    申请号:US11094948

    申请日:2005-03-31

    IPC分类号: G11C11/00

    摘要: Twin cell type semiconductor memory devices are provided that include a plurality of main bit lines and a plurality of reference bit lines. Each of the reference bit lines correspond to respective ones of the main bit lines to form a plurality of bit line pairs. A plurality of sense amplifiers are provided that are electrically connected to a respective one of the plurality of bit line pairs. At least one of the plurality of main bit lines or the plurality of reference bit lines is interposed between the main bit line and the corresponding reference bit line of each bit line pair. At least some of the main bit lines may cross respective ones of the reference bit lines in a sense amplifier region of the semiconductor memory device that contains the plurality of sense amplifiers.

    摘要翻译: 提供了包括多个主位线和多个参考位线的双电池型半导体存储器件。 每个参考位线对应于主位线中的相应位线以形成多个位线对。 提供多个读出放大器,其电连接到多个位线对中的相应一个。 多个主位线或多个参考位线中的至少一个被插入在每个位线对的主位线和对应的参考位线之间。 至少一些主位线可以在包含多个读出放大器的半导体存储器件的读出放大器区域中交叉相应的参考位线。

    Magnetic memory device and method
    39.
    发明授权
    Magnetic memory device and method 有权
    磁记忆装置及方法

    公开(公告)号:US07508699B2

    公开(公告)日:2009-03-24

    申请号:US11164579

    申请日:2005-11-29

    IPC分类号: G11C11/00

    CPC分类号: G11C11/15

    摘要: An exemplary embodiment of a magnetic random access memory (MRAM) device includes a magnetic tunnel junction having a free layer, a first electrode (first magnetic field generating means) having a first portion that covers a surface of the free layer, and an electric power source connected to the first electrode via a connection that covers less than half of the first portion of the first electrode. Another exemplary embodiment of an MRAM device includes a magnetic tunnel junction, first and second electrodes (first and second magnetic field generating means) directly connected to the magnetic tunnel junction on opposite sides of the magnetic tunnel junction, and an electric power source having one pole connected to the first electrode via a first connection and having a second pole connected to the second electrode via a second connection, wherein the first and second connections are laterally offset from the connections between the first and second electrodes and the magnetic tunnel junction. Methods of operating and manufacturing these magnetic random access memories are also disclosed.

    摘要翻译: 磁性随机存取存储器(MRAM)装置的示例性实施例包括具有自由层的磁性隧道结,具有覆盖自由层的表面的第一部分的第一电极(第一磁场产生装置)和电力 源极经由覆盖小于第一电极的第一部分的一半的连接而连接到第一电极。 MRAM器件的另一个示例性实施例包括磁性隧道结,直接连接到磁性隧道结相对侧上的磁性隧道结的第一和第二电极(第一和第二磁场产生装置)和具有一个极点的电源 经由第一连接器连接到第一电极,并且具有通过第二连接连接到第二电极的第二极,其中第一和第二连接部从第一和第二电极与磁性隧道结之间的连接侧向偏移。 还公开了操作和制造这些磁性随机存取存储器的方法。

    Phase Change Memory Cells Having a Cell Diode and a Bottom Electrode Self-Aligned with Each Other
    40.
    发明申请
    Phase Change Memory Cells Having a Cell Diode and a Bottom Electrode Self-Aligned with Each Other 失效
    具有电池二极管和底部电极的相变存储器单元彼此自对准

    公开(公告)号:US20090026439A1

    公开(公告)日:2009-01-29

    申请号:US12240267

    申请日:2008-09-29

    IPC分类号: H01L47/00

    摘要: Integrated circuit devices are provide having a vertical diode therein. The devices include an integrated circuit substrate and an insulating layer on the integrated circuit substrate. A contact hole penetrates the insulating layer. A vertical diode is in lower region of the contact hole and a bottom electrode in the contact hole has a bottom surface on a top surface of the vertical diode. The bottom electrode is self-aligned with the vertical diode. A top surface area of the bottom electrode is less than a horizontal section area of the contact hole. Methods of forming the integrated circuit devices and phase change memory cells are also provided.

    摘要翻译: 在其中提供具有垂直二极管的集成电路器件。 这些器件包括集成电路衬底和集成电路衬底上的绝缘层。 接触孔穿透绝缘层。 垂直二极管位于接触孔的下部区域中,接触孔中的底部电极在垂直二极管的顶面具有底面。 底部电极与垂直二极管自对准。 底部电极的顶表面积小于接触孔的水平截面面积。 还提供了形成集成电路器件和相变存储器单元的方法。