COPPER FOIL WITH ATTACHED CARRIER FOIL METHOD FOR MANUFACTURING COPPER FOIL WITH ATTACHED CARRIER FOIL AND COPPER CLAD LAMINATE BOARD FOR LASER BEAM DRILLING OBTAINED BY USING COPPER FOIL WITH ATTACHED CARRIER FOIL

摘要

The present invention aims to improve laser drilling performance of a copper-clad laminate using a blackened surface as a laser drilled surface. In order to achieve this object, in the copper foil 1 with a carrier foil having the layer structure of the carrier foil 2 / the release layer 3 / the bulk copper layer 4, the release layer 3 and the bulk Copper foil 1 with a carrier foil which is characterized in that the metal component-containing particles 5 are disposed between the copper layers 4 ". By using the copper foil with a carrier foil, it becomes possible to form a blackened layer having a color tone excellent in laser drilling performance on the surface of the copper copper layer when the copper clad laminate is used.;