发明授权
US07531902B2 Multi-layered metal line of semiconductor device having excellent diffusion barrier and method for forming the same 失效
具有优异扩散阻挡层的半导体器件的多层金属线及其形成方法

Multi-layered metal line of semiconductor device having excellent diffusion barrier and method for forming the same
摘要:
A multi-layered metal line of a semiconductor device has a lower metal line and an upper metal line. The upper metal line includes a diffusion barrier, which is made of a stack of a first WNx layer, a WCyNx layer and a second WNx layer.
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