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    • 7. 发明公开
    • 저항성 메모리 장치 및 그 센싱방법
    • 电阻记忆装置及其传感方法
    • KR1020130072727A
    • 2013-07-02
    • KR1020110140270
    • 2011-12-22
    • 에스케이하이닉스 주식회사
    • 성민규김완기
    • G11C13/00H01L27/115
    • H01L45/04G11C13/0004H01L27/2409
    • PURPOSE: A resistance memory device and a sensing method thereof are provided to accurately sense a resistance value even though a leakage current flows between memory cells which are contiguous. CONSTITUTION: A first resistance value is measured in the range of sensing voltage and set voltage (S11). A second resistance value is measured under the sensing voltage (S12). Whether a difference value exists between the first resistance value and the second resistance value or not is distinguished (S13). Either the first resistance value or the second resistance value is output in case no difference exists between the first resistance value and the second resistance value (S14). The first resistance value and a reference low resistance state resistance value are compared in case a difference exists between the first resistance value and the second resistance value (S15). [Reference numerals] (AA) Start; (BB) End; (S11) Measure a first resistance value in a range of Vsense to Vset; (S12) Measure a second resistance value in a range of 0 to Vsense; (S13) Difference value exists between the first resistance value and the second resistance value?; (S14) Select and output either the first resistance value or the second resistance value; (S15) First resistance value is the same as a reference LRS value?; (S16) Output the first resistance value; (S17) Second resistance value is the same as a reference HRS value?; (S18) Output the second resistance value
    • 目的:提供一种电阻存储器件及其感测方法,即使在相邻的存储器单元之间流过漏电流,也可精确地检测电阻值。 构成:在感测电压和设定电压的范围内测量第一个电阻值(S11)。 在感测电压下测量第二电阻值(S12)。 区别是否存在第一电阻值和第二电阻值之间的差值(S13)。 在第一电阻值和第二电阻值之间不存在差异的情况下输出第一电阻值或第二电阻值(S14)。 在第一电阻值和第二电阻值之间存在差异的情况下,比较第一电阻值和参考低电阻状态电阻值(S15)。 (附图标记)(AA)开始; (BB)结束; (S11)测量Vsense到Vset范围内的第一电阻值; (S12)测量0至Vsense范围内的第二电阻值; (S13)在第一电阻值和第二电阻值β之间存在差值; (S14)选择并输出第一电阻值或第二电阻值; (S15)第一电阻值与参考LRS值α相同; (S16)输出第一电阻值; (S17)第二电阻值与参考HRS值α相同; (S18)输出第二电阻值
    • 9. 发明公开
    • 가변 저항 메모리 장치 및 그 제조 방법
    • 电阻可变存储器件及其制造方法
    • KR1020140073919A
    • 2014-06-17
    • KR1020120141948
    • 2012-12-07
    • 에스케이하이닉스 주식회사
    • 김완기
    • H01L21/8247H01L27/115
    • H01L45/16H01L27/2481H01L45/08H01L45/1233H01L45/146H01L45/165H01L45/04
    • A method for fabricating a variable resistance memory device is provided. A method for fabricating a variable resistance memory device according to one embodiment of the present invention includes a step of forming a first metal oxide layer on a first electrode; a step of firstly implanting a first element for reducing metal oxide to a target with the first depth of the first metal oxide layer and forming a first oxygen-deficient metal oxide layer which is a partly reduced first metal oxide layer, a step of forming a second electrode layer on the first metal oxide layer; a step of forming a second metal oxide layer on a second electrode; a step of secondly implanting a second element for reducing the metal oxide to the target with the second depth of the second metal oxide layer which is different from the first depth and forming a second oxygen-deficient metal oxide layer which is a partly reduced second metal oxide layer; and a step of forming a third electrode on the second metal oxide layer.
    • 提供了制造可变电阻存储器件的方法。 根据本发明的一个实施例的用于制造可变电阻存储器件的方法包括在第一电极上形成第一金属氧化物层的步骤; 首先将具有还原金属氧化物的第一元素植入到具有第一金属氧化物层的第一深度的第一深度并形成第一缺氧金属氧化物层的步骤,所述第一缺氧金属氧化物层是部分还原的第一金属氧化物层, 在第一金属氧化物层上的第二电极层; 在第二电极上形成第二金属氧化物层的步骤; 以与第一深度不同的第二金属氧化物层的第二深度第二次注入用于将金属氧化物还原到靶的步骤,并形成第二缺氧金属氧化物层,其是部分还原的第二金属 氧化层; 以及在所述第二金属氧化物层上形成第三电极的步骤。