Patent ID: 6692833
Filing Date: 2004-02-17
Classification: C03C,Y10T

Abstract:
An article comprising (i) a non-conductive substrate with at least one metal layer based on tungsten or molybdenum deposited thereon, (ii) a copper or silver layer at least partially covering the tungsten or molybdenum layer and in direct contact the tungsten and molybdenum layer, and (iii) at least one protective layer that at least partially covers the copper or silver layer, wherein the protective layer has a thickness ranging from 10 nm to 300 nm and comprises at least one metal chosen from the group consisting of nickel, chromium, titanium, tantalum, niobium, palladium, and zirconium; wherein the metal layer is deposited by a process which comprises:providing at least one tungsten- or molybdenum-containing precursor in the form of a metal halide or an organometallic compound and at least one reducing agent; and forming the at least one metal layer from the tungsten- or molybdenum-containing precursor and the at least one reducing agent by chemical vapor deposition.