Patent ID: 8394509
Filing Date: 2013-03-12
Classification: B32B,C23C,H05K,Y10T

Abstract:
1. A surface-treated copper foil comprising a copper foil and a surface-treatment layer formed on a bonding surface of the copper foil, by which the copper foil is bonded to an insulating resin substrate via the surface-treatment layer when a copper clad laminate is manufactured, wherein the surface-treatment layer is composed of a metal layer and a carbon layer, and the surface-treatment layer is provided on the bonding surface after the bonding surface is subjected to a cleaning treatment that fully exposes copper metal; the metal layer is composed of a metal having a melting point not lower than 1400° C. that is deposited on the bonding surface by a dry process film formation method after the bonding surface is subjected to the cleaning treatment; and the carbon layer is formed by depositing carbon on the metal layer by a dry process film formation method.