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    • 32. 发明授权
    • Magnetic random access memory and method of operating the same
    • 磁性随机存取存储器及其操作方法
    • US06781871B2
    • 2004-08-24
    • US10316844
    • 2002-12-12
    • Wan-jun ParkTae-wan KimI-hun SongSang-jin ParkRichard J. Gambino
    • Wan-jun ParkTae-wan KimI-hun SongSang-jin ParkRichard J. Gambino
    • G11C1100
    • G11C19/0808G11C11/15G11C11/16
    • A magnetic random access memory using magnetic domain drag and giant magnetoresistance (GMR) or tunnel magnetoresistance (TMR) and a method of operating the same, wherein the magnetic random access memory includes a data storage unit including a fixed layer, a non-magnetic layer, and a free layer having two ends; a data input means electrically connected to both ends of the free layer, for applying current to the free layer to input data into the data storage unit; and a data output means electrically connected to the free layer and the fixed layer to output data stored in the data storage unit. Accordingly, a magnetic random access memory according to the present invention has superior performance than one using a switching field to record data.
    • 一种使用磁畴阻力和巨磁阻(GMR)或隧道磁阻(TMR)的磁性随机存取存储器及其操作方法,其中磁性随机存取存储器包括数据存储单元,其包括固定层,非磁性层 和具有两端的自由层; 电连接到自由层的两端的数据输入装置,用于向自由层施加电流以将数据输入数据存储单元; 以及电连接到所述自由层和所述固定层的数据输出装置,以输出存储在所述数据存储单元中的数据。 因此,根据本发明的磁性随机存取存储器具有比使用切换字段来记录数据的磁性随机存取存储器更好的性能。
    • 34. 发明申请
    • Nonvolatile memory device and method of fabricating the same
    • 非易失性存储器件及其制造方法
    • US20090045455A1
    • 2009-02-19
    • US12219465
    • 2008-07-23
    • Kwang-soo SeolSang-jin ParkSang-moo ChoiHyo-sug LeeJung-hun Sung
    • Kwang-soo SeolSang-jin ParkSang-moo ChoiHyo-sug LeeJung-hun Sung
    • H01L29/792H01L21/28
    • H01L29/4234H01L29/40117H01L29/513H01L29/66833
    • Example embodiments relate to nonvolatile semiconductor memory devices using an electric charge storing layer as a storage node and fabrication methods thereof. An electric charge trap type nonvolatile memory device may include a tunneling film, an electric charge storing layer, a blocking insulation film, and a gate electrode. The blocking insulation film may be an aluminum oxide having an energy band gap larger than that of a γ-phase aluminum oxide film. An α-phase crystalline aluminum oxide film as a blocking insulation film may have an energy band gap of about 7.0 eV or more along with fewer defects. The crystalline aluminum oxide film may be formed by providing a source film (e.g., AlF3 film) on or within a preliminary blocking insulation film (e.g., amorphous aluminum oxide film) and performing a heat treatment. Alternatively, an aluminum compound (e.g., AlF3) may be introduced into the preliminary blocking insulation film by other diffusion methods or ion implantation. Accordingly, the ability of the memory device to maintain electric charges may be improved, the operating voltage for programming and erasing may be lowered, and the operating speed may be increased.
    • 示例性实施例涉及使用电荷存储层作为存储节点的非易失性半导体存储器件及其制造方法。 电荷阱型非易失性存储器件可以包括隧穿膜,电荷存储层,阻挡绝缘膜和栅电极。 阻挡绝缘膜可以是具有比γ相氧化铝膜的能带隙大的能带隙的氧化铝。 作为阻挡绝缘膜的α相结晶氧化铝膜可以具有约7.0eV以上的能带隙和更少的缺陷。 结晶氧化铝膜可以通过在预先隔离绝缘膜(例如无定形氧化铝膜)上或内部提供源膜(例如,AlF 3膜)并进行热处理而形成。 或者,可以通过其它扩散方法或离子注入将铝化合物(例如,AlF 3)引入到初步阻挡绝缘膜中。 因此,可以提高存储器件保持电荷的能力,可以降低用于编程和擦除的操作电压,并且可以提高操作速度。