The roughened surface 1500 can be formed by plating metals and alloys such as Ni, Ni alloys such as NiMn, NiCo, NiW, or NiFe, W alloys such as CoW, Cr or similar metals at a high current, or by the addition of grain refiners or other additives such as Mn salt in a Ni Sufamate bath, or in any other manner known in the art of electroplating and electroforming to create a roughened surface.