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    MAGNETIC RANDOM ACCESS MEMORY
    2.
    发明申请
    MAGNETIC RANDOM ACCESS MEMORY 有权
    磁性随机存取存储器

    公开(公告)号：US20120320667A1

    公开(公告)日：2012-12-20

    申请号：US13590634

    申请日：2012-08-21

    申请人： Nobuyuki ISHIWATA ,  Hideaki NUMATA ,  Norikazu OHSHIMA

    发明人： Nobuyuki ISHIWATA ,  Hideaki NUMATA ,  Norikazu OHSHIMA

    IPC分类号： G11C11/02

    CPC分类号： H01L43/02 ,  G11C11/16 ,  G11C11/161 ,  G11C11/1659 ,  G11C11/1675 ,  H01L23/367 ,  H01L27/222 ,  H01L43/08 ,  H01L2224/16225 ,  H01L2224/32225 ,  H01L2224/73204 ,  H01L2924/00

    摘要： A magnetic random access memory according to the present invention is provided with: a magnetic recording layer including a magnetization free region having a reversible magnetization, wherein a write current is flown through the magnetic recording layer in an in-plane direction; a magnetization fixed layer having a fixed magnetization; a non-magnetic layer provided between the magnetization free region and the magnetization fixed layer; and a heat sink structure provided to be opposed to the magnetic recording layer and having a function of receiving and radiating heat generated in the magnetic recording layer. The magnetic random access memory thus-structured radiates heat generated in the magnetic recording layer by using the heat sink structure, suppressing the temperature increase caused by the write current flown in the in-plane direction.

    摘要翻译： 根据本发明的磁性随机存取存储器具有：包括具有可逆磁化强度的无磁化区的磁记录层，其中写入电流在面内方向上流过磁记录层; 具有固定磁化强度的磁化固定层; 设置在无磁化区域和磁化固定层之间的非磁性层; 以及设置成与磁记录层相对并且具有接收和辐射在磁记录层中产生的热的功能的散热结构。 这样结构的磁性随机存取存储器通过使用散热器结构辐射在磁记录层中产生的热量，从而抑制由在面内方向上流动的写入电流引起的温度升高。