Base materials: FR4, TG, CEM-1 and aluminium Copper thicknesses: 0.5-2.0oz Board thickness: 0.2-3.0mm Min. hole size: 0.25mm Min. line width: 0.2mm Min. line ***cing: 0.2mm Surface finishing: spray tin, HASL, lead free, immersion gold, gold-plate, OSP, ENIG and more