| 摘要 |
A semiconductor device and a method of fabricating the same are disclosed. The semiconductor device includes a lower wire, an interlayer insulating film formed on the lower wire and having a via hole exposing the upper surface of the lower wire, a diffusion barrier formed on the inner wall of the via hole, and an upper wire filling the via hole and directly contacting the lower wire, in which a dopant region containing a component of the diffusion barrier is formed in the lower wire in the extension direction of the via hole.
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