发明申请
US20120217461A1 SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME 审中-公开
半导体存储器件及其制造方法

SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME
摘要:
A semiconductor memory device according to an embodiment includes: first lines provided on a substrate; second lines provided between the first lines and the substrate so as to intersect the first lines; and a first memory cell array including first memory cells, each of the first memory cells being provided at respective intersections of the first lines and the second lines and including a current rectifying element and a variable resistor connected in series. The variable resistor of the first memory cell includes a first recording layer and a second recording layer, the first recording layer being made of an oxide of a first metal material, the second recording layer being made of the first metal material and being formed so as to contact with the first recording layer. The second recording layer is closer to the first line than the first recording layer is.
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