Abstract: The invention relates to a press for manufacturing a structure (100) for a circuit board which comprises a plurality of supporting layers (10, 30, 60, 90), all of different materials, which supporting layers (10, 30, 60, 90) support electrically conducting patterns (20, 50, 70, 120). According to the process, the material for a first supporting layer (10) is that material which has the highest melting point of the different materials for supporting layers, subsequent to which, beginning from the first supporting layer (10), new supporting layers (30, 60, 90) are arranged successively. As material for each new supporting layer (30, 60, 90), a material is chosen with lower melting point than the supporting layer which is closest in the direction of the first supporting layer (10).