A composite material, comprising a carrier strip the carrier strip comprising a first side the first side comprising a substantially uniform roughness, an electrolytically deposited copper foil layer having opposing first and second sides and a thickness of from 0.1 micron to 15 microns and the entire...http://www.google.ca/patents/US6893742?utm_source=gb-gplus-sharePatent US6893742 - Copper foil with low profile bond enhancement
