Patent ID: 6624513
Filing Date: 2003-09-23
Classification: H01L

Abstract:
A semiconductor device having a multilayer structure comprising an insulating film including silicon (Si) formed on a principle plane side of a semiconductor substrate, a first conductive film formed in contact with said insulating film, and a second conductive film formed in contact with said first conductive film, wherein said second conductive film has copper (Cu) as a main constituent element, said first conductive film has as a main constituent element one kind of element selected from the group consisting of at least rhodium (Rh), ruthenium (Ru), iridium (Ir), osmium (Os), and platinum (Pt), and said first conductive film contains as an added element one kind of element selected from the group consisting of at least palladium (Pd), cobalt (Co), nickel (Ni), and titanium (Ti).