Invention Grant
US08258496B2 Semiconductor integrated circuit device having memory cells disposed at cross point of metal lines and method for fabricating the same 有权
具有设置在金属线的交叉点的存储单元的半导体集成电路器件及其制造方法

Semiconductor integrated circuit device having memory cells disposed at cross point of metal lines and method for fabricating the same
Abstract:
A semiconductor integrated circuit device including: a semiconductor substrate on which a circuit is formed; a plurality of functional device arrays stacked on the semiconductor substrate; and vertical wirings so disposed outside of the functional device arrays as to couple the signal lines of the functional device arrays to the circuit, wherein the vertical wirings include multi-layered metal pieces, each layer of which has a plurality of the metal pieces dispersedly arranged in a stripe-shaped contact trench formed on an interlayer insulating film in the elongated direction.
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