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    • 9. 发明授权
    • Programmable element, and memory device or logic circuit
    • 可编程元件,存储器件或逻辑电路
    • US08470676B2
    • 2013-06-25
    • US12350469
    • 2009-01-08
    • Siegfried F. KargGerhard Ingmar Meijer
    • Siegfried F. KargGerhard Ingmar Meijer
    • H01L21/8236
    • H01L29/24H01L29/78H01L45/08H01L45/1206H01L45/1226H01L45/146H01L45/147
    • A multi-terminal programmable element. The programmable element includes a source electrode and a drain electrode on a base. The programmable element includes reference voltage contact that is not in contact with the source or drain electrode. The base includes a transition-metal oxide with oxygen vacancies for drifting under an applied electric field. Further, materials of the source electrode and the base are selected such that an interface of a source and/or drain electrode material and the transition metal oxide base material forms an energy barrier for electron injection from the electrode into the base material. The energy barrier has a height that depends on an oxygen vacancy concentration of the base material. Four non-volatile states are programmable into the programmable element.
    • 多端子可编程元件。 可编程元件包括基极上的源电极和漏电极。 可编程元件包括不与源极或漏电极接触的参考电压接触。 基底包括具有氧空位的过渡金属氧化物,用于在施加的电场下漂移。 此外,源极和基极的材料被选择为使得源极和/或漏极电极材料和过渡金属氧化物基底材料的界面形成用于从电极注入基底材料的电子注入的能量势垒。 能量势垒的高度取决于基材的氧空位浓度。 四个非易失性状态可编程到可编程元件中。