Cover foil for protecting the copper foil surface of MLB manufacturing process method of MLB using the cover foil

摘要

PURPOSE: A cover foil for protecting a surface of a copper foil of a multilayer board and a multilayer board manufacturing method using the cover foil are provided to shorten manufacturing processes and a manufacturing time by stacking a cover foil on an insulation layer and removing a metal plate of the cover foil. CONSTITUTION: A copper foil(31) is adhered to an insulation layer of a multilayer board. A metal plate(32) is joined in the copper foil(31). A plurality of holes(33) are formed at both sides of the metal plate(32) at predetermined intervals in parallel. The metal plate(32) is overlapped with an upper portion of the copper foil(31). A tape(34) is adhered to an upper portion of the holes(33). An outer cut line(35) is formed at an inner side of the tape(34). An insulation layer is adhered to a copper foil surface of a cover foil(30). The insulation layer, copper foil(31), and metal plate(30) are adhered in order and become an integral form.