1Layer1-30 layer 2MaterialFr-4, cem-1, cem-3, hight tg, fr4 halogen free, fr-1, fr-2, aluminum 3Board thickness0.2mm-7mm 4Max.Finished board side500mm*500mm 5Min.Drilled hole size0.2mm 6Min.Line width0.075mm(3mil) 7Min.Line spaceing0.075mm(3mil) 8Surface finish/treatmentHals/hals lead free, chemical tin, chemical gold, immersion gold inmersion silver/gold, osp, gold plating 9Copper thickness0.5-6.0oz