COPPER FOIL WITH CARRIER, LAMINATE, PRINTED WIRING BOARD, AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD

摘要

Provided is a copper foil with a carrier, which comprises an ultrathin copper layer having a surface with good circuit formation properties. This copper foil with a carrier sequentially comprises a carrier, an intermediate layer and an ultrathin copper layer in this order. The surface of the ultrathin copper layer has an absorptance of 85% or more with respect to light having a wavelength of 400 nm.