Patent ID: 8288011
Filing Date: 2012-10-16
Classification: C23C,H05K,Y10T

Abstract:
1. An adhesiveless copper clad laminate comprising a polyimide insulating film, a base metal layer and a first copper film layer, the base metal layer being directly formed at least on one side of the polyimide insulating film without using an adhesive in between, and then the first copper film layer being formed on the base metal layer, wherein the base metal layer has a film thickness of 3 to 50 nm formed by a dry plating method, and the base metal layer consists of a vanadium-molybdenum-nickel alloy consisting of 4 to 13 wt. % of vanadium, 5 to 40 wt. % of molybdenum and a balance of nickel and up to 1 wt. % unavoidable impurities.