Foil sheet of the manufacturing process is to put the glass fiber cloth, glass fiber mat, such as strengthening material epoxy resin impregnated paper, phenolic resin adhesive, such as in the appropriate temperature drying to B - stage, get prepreg materials (hereinafter referred to as rubberized material), and place them according to the technological requirements and copper foil laminated, in laminating machine, heating pressure needed copper-clad laminate.