A conductive polymer between two metallic layers acts a glue layer, a barrier layer or an activation seed layer. The conductive polymer layer is employed to encapsulate a copper interconnection structure to prevent copper diffusion into any overlying layers and improve adhesive characteristics between...http://www.google.es/patents/US7538434?utm_source=gb-gplus-sharePatente US7538434 - Copper interconnection with conductive polymer layer and method of forming the same
Copper interconnection with conductive polymer layer and method of forming ...
