Patent ID: 7800233

Claim:
A semiconductor device comprising: an insulating resin layer provided with a first via plug; an adhesive conductive film provided on a first surface of said insulating resin layer; a first interconnect provided on said adhesive conductive film not in direct contact with said insulating resin layer, said first interconnect being electrically connected to said first via plug through said adhesive conductive film; said adhesive conductive film comprising two metal layers that are different from each other, said first interconnect comprising a metal that is the same as one of said two metal layers of said adhesive conductive film, said adhesive conductive film being more adhesive to said first interconnect and to said insulating resin layer than said insulating resin layer is to said first interconnect; and a second interconnect provided directly on a second surface of said insulating resin layer and electrically connected to said first via plug, said second interconnect consisting substantially of a single material.