... :Double sided,Multilayer(1-6),ENIG PCB,Immersion Tin PCB,Gold Plating PCB,Tin Plating PCB,Organic shielded welding film PCB,Rigid-Flex PCB2.Base Material:PI ... .6mm4.Copper Thickness:18 um,35 um,70 um5.Min. Hole Size:0.25mm6.Min. Line Width:0.076mm7.Min. Line ... :0.076mm8.Max Outline:250mm×500mm9.tolerance:Line Width±20%,Hole Size±3mil,Outline±0.13mm,Except special10.Inspection Standard:According ...