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    • 2. 发明授权
    • Magnetic storage device using ferromagnetic tunnel junction element
    • 使用铁磁隧道结元件的磁存储装置
    • US07542335B2
    • 2009-06-02
    • US10530271
    • 2003-09-18
    • Hiroshi YoshiharaKatsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • Hiroshi YoshiharaKatsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • G11C11/14
    • H01L27/222
    • It is a task to provide a magnetic storage device of complementary type, of which reliability is improved by precisely performing writing storage data.In the present invention, therefore, in a magnetic storage device of complementary type for storing storage data contrary to each other in a first ferromagnetic tunnel junction element and a second ferromagnetic tunnel junction element, respectively, the first ferromagnetic tunnel junction element and the second ferromagnetic tunnel junction element are formed adjacently on a semiconductor substrate, first writing lines is wound around the first ferromagnetic tunnel junction element like a coil and the same time second writing lines is wound around the second ferromagnetic tunnel junction element like a coil, and in addition, a winding direction of the first writing lines and a winding direction of the second writing lines are reversed to each other.
    • 提供互补式磁存储装置的任务是通过精确地执行写入存储数据来提高可靠性。 因此,在本发明中,在第一铁磁隧道结元件和第二铁磁隧道结元件中分别存储相互相反的存储数据的互补型磁存储器件中,第一铁磁隧道结元件和第二铁磁 隧道结元件相邻地形成在半导体衬底上,第一写入线如线圈缠绕在第一铁磁隧道结元件周围,同时第二写入线缠绕在第二铁磁隧道结元件上,如线圈,另外, 第一写入线的卷绕方向和第二写入线的卷绕方向相反。
    • 3. 发明授权
    • Composite storage circuit and semiconductor device having the same composite storage circuit
    • 具有相同复合存储电路的复合存储电路和半导体器件
    • US07130224B2
    • 2006-10-31
    • US10522316
    • 2003-07-22
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • G11C7/06
    • G11C14/0081G11C11/005G11C11/14
    • An object of the present invention is to provide a compound storage circuit that includes a storage circuit including a volatile storage circuit and a nonvolatile storage circuit connected in parallel to each other and that is arranged to be capable of an instant-on function by storing information equal to storage information stored in the volatile storage circuit into the nonvolatile storage circuit, the compound storage circuit being capable of reducing power consumption, and a semiconductor device including the compound storage circuit.According to the present invention, in a compound storage circuit including a volatile storage circuit and a nonvolatile storage circuit connected in parallel to each other and a semiconductor device including the compound storage circuit, a determination circuit for comparing first storage information stored in the volatile storage circuit with second storage information that has already been stored in the nonvolatile storage circuit when storage information stored in the volatile storage circuit is written into the nonvolatile storage circuit is provided, and the first storage information is written into the nonvolatile storage circuit only when the first storage information is not equal to the second storage information.
    • 本发明的目的是提供一种复合存储电路,它包括一个存储电路,该存储电路包括一个彼此并联连接的易失性存储电路和一个非易失性存储电路,它被设置为能够通过存储信息 等于存储在易失性存储电路中的存储信息到非易失性存储电路中,复合存储电路能够降低功耗,以及包括复合存储电路的半导体器件。 根据本发明,在包括彼此并联连接的易失性存储电路和非易失性存储电路的复合存储电路和包括复合存储电路的半导体器件中,确定电路用于比较存储在易失性存储器 提供了当存储在易失性存储电路中的存储信息被写入非易失性存储电路时已经存储在非易失性存储电路中的具有第二存储信息的电路,并且仅当第一存储信息被写入非易失性存储电路时, 存储信息不等于第二存储信息。
    • 4. 发明授权
    • Magnetic storage apparatus using ferromagnetic tunnel junction devices
    • 使用铁磁隧道结装置的磁存储装置
    • US07020010B2
    • 2006-03-28
    • US10503658
    • 2003-02-07
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • G11C11/00
    • G11C11/16
    • A magnetic storage apparatus provided using ferromagnetic tunnel junction devices is constituted by forming the ferromagnetic tunnel junction device by laminating a fixed magnetization layer and a free magnetization layer on top and back surfaces of a tunnel barrier layer, respectively, wiring word lines in the magnetization direction of the fixed magnetization layer of the ferromagnetic tunnel junction device, and wiring bit lines in the direction orthogonal to the magnetization direction of the fixed magnetization layer of the ferromagnetic tunnel junction device, wherein two different memory states can be written in the ferromagnetic tunnel junction device by inverting the direction of the current flowing through the bit lines. At the time of writing in the ferromagnetic tunnel junction device, the direction of the current flowing through the word line is inverted in the same direction as or the opposite direction to the magnetization direction of the fixed magnetization layer.
    • 使用铁磁隧道结装置提供的磁存储装置通过分别在隧道势垒层的顶表面和背表面上层叠固定磁化层和自由磁化层来形成铁磁隧道结装置,分别在磁化方向上布线字线 的铁磁隧道结装置的固定磁化层,以及在与铁磁隧道结装置的固定磁化层的磁化方向正交的方向上的布线位线,其中可以将两个不同的存储器状态写入铁磁隧道结装置 通过反转流过位线的电流的方向。 在铁磁隧道结装置中写入时,流过字线的电流的方向与固定磁化层的磁化方向相同或相反的方向反转。
    • 5. 发明申请
    • Composite storage circuit and semiconductor device having the same composite storage circuit
    • 具有相同复合存储电路的复合存储电路和半导体器件
    • US20050226033A1
    • 2005-10-13
    • US10522316
    • 2003-07-22
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • Katsutoshi MoriyamaHironobu MoriNobumichi Okazaki
    • G11C11/41G11C11/00G11C11/14G11C14/00G11C16/02
    • G11C14/0081G11C11/005G11C11/14
    • An object of the present invention is to provide a compound storage circuit that includes a storage circuit including a volatile storage circuit and a nonvolatile storage circuit connected in parallel to each other and that is arranged to be capable of an instant-on function by storing information equal to storage information stored in the volatile storage circuit into the nonvolatile storage circuit, the compound storage circuit being capable of reducing power consumption, and a semiconductor device including the compound storage circuit. According to the present invention, in a compound storage circuit including a volatile storage circuit and a nonvolatile storage circuit connected in parallel to each other and a semiconductor device including the compound storage circuit, a determination circuit for comparing first storage information stored in the volatile storage circuit with second storage information that has already been stored in the nonvolatile storage circuit when storage information stored in the volatile storage circuit is written into the nonvolatile storage circuit is provided, and the first storage information is written into the nonvolatile storage circuit only when the first storage information is not equal to the second storage information.
    • 本发明的目的是提供一种复合存储电路,它包括一个存储电路,该存储电路包括一个彼此并联连接的易失性存储电路和一个非易失性存储电路,它被设置为能够通过存储信息 等于存储在易失性存储电路中的存储信息到非易失性存储电路中,复合存储电路能够降低功耗,以及包括复合存储电路的半导体器件。 根据本发明,在包括彼此并联连接的易失性存储电路和非易失性存储电路的复合存储电路和包括复合存储电路的半导体器件中,确定电路用于比较存储在易失性存储器 提供了当存储在易失性存储电路中的存储信息被写入非易失性存储电路时已经存储在非易失性存储电路中的具有第二存储信息的电路,并且仅当第一存储信息被写入非易失性存储电路时, 存储信息不等于第二存储信息。
    • 6. 发明申请
    • Magnetic storage unit using ferromagnetic tunnel junction element
    • 磁存储单元采用铁磁隧道连接元件
    • US20050105347A1
    • 2005-05-19
    • US10503658
    • 2003-02-07
    • Katsutoshi MoriyamaHironoeu MoriNobumichi Okazaki
    • Katsutoshi MoriyamaHironoeu MoriNobumichi Okazaki
    • G11C11/14G11C11/15H01L21/8246H01L27/105H01L43/08G11C29/00
    • G11C11/16
    • A magnetic storage apparatus provided using ferromagnetic tunnel junction devices is constituted by forming the ferromagnetic tunnel junction device by laminating a fixed magnetization layer and a free magnetization layer on top and back surfaces of a tunnel barrier layer, respectively, wiring word lines in the magnetization direction of the fixed magnetization layer of the ferromagnetic tunnel junction device, and wiring bit lines in the direction orthogonal to the magnetization direction of the fixed magnetization layer of the ferromagnetic tunnel junction device, wherein two different memory states can be written in the ferromagnetic tunnel junction device by inverting the direction of the current flowing through the bit lines. At the time of writing in the ferromagnetic tunnel junction device, the direction of the current flowing through the word line is inverted in the same direction as or the opposite direction to the magnetization direction of the fixed magnetization layer.
    • 使用铁磁隧道结装置提供的磁存储装置通过分别在隧道势垒层的顶表面和背表面上层叠固定磁化层和自由磁化层来形成铁磁隧道结装置,分别在磁化方向上布线字线 的铁磁隧道结装置的固定磁化层,以及在与铁磁隧道结装置的固定磁化层的磁化方向正交的方向上的布线位线,其中可以将两个不同的存储器状态写入铁磁隧道结装置 通过反转流过位线的电流的方向。 在铁磁隧道结装置中写入时,流过字线的电流的方向与固定磁化层的磁化方向相同或相反的方向反转。
    • 9. 发明授权
    • Storage device and semiconductor apparatus
    • 存储装置和半导体装置
    • US07423902B2
    • 2008-09-09
    • US11420290
    • 2006-05-25
    • Hironobu MoriHidenari HachinoNobumichi Okazaki
    • Hironobu MoriHidenari HachinoNobumichi Okazaki
    • G11C11/14
    • G11C11/22G11C13/0004G11C13/0007G11C13/0011G11C13/0061G11C13/0069G11C13/0097G11C2213/31G11C2213/79
    • A storage device includes memory cells disposed in a matrix. The memory cells each include a storage element whose resistance changes from a higher state to a lower state when an electric signal of a first threshold level or higher is applied and whose resistance changes from the lower state to the higher state when an electric signal of a second threshold level or higher whose polarity is different from the polarity of the electric signal of the first threshold level or higher is applied, and a circuit element connected in series with the storage element. In a state in which an erasing voltage is applied to at least one memory cell on which erasing is currently being performed, after the lapse of a predetermined time from the application, an erasing voltage is applied to at least one memory cell on which erasing is to be next performed.
    • 存储装置包括设置在矩阵中的存储单元。 存储单元各自包括存储元件,当第一阈值电平或更高的电信号被施加时,其电阻从较高状态变化到较低状态,并且当电信号为 施加极性与第一阈值或更高的电信号的极性不同的第二阈值电平,以及与存储元件串联连接的电路元件。 在将擦除电压施加到至少一个存储单元的状态下,当前正在进行擦除的存储单元中,在从应用经过预定时间之后,将擦除电压施加到至少一个存储单元,擦除是 接下来执行。