resin coated copper foil, made from a semi-cured resin composition which is on a copper foil, for use in the manufacture of circuit boards

films and sheets made from polymers and plastics for use in the manufacture of circuit boards; semi-cured resin sheets for use in the manufacture of circuit boards

prepregs which are glass fiber fabrics or non-woven mats impregnated with a resin composition and semi-cured with the resin composition; glass fiber fabrics impregnated and semi-cured with a resin composition