... \HAL\OSP\Gold fingerRaw MaterialFR4, FR5(High TG), CEM-1, AI-base…Max. Board Size600mm*800mmMin. Board Size5mm*5mmWarp ageSingle-side ... <1.0%,Double-side<0.6%,Multilayer<0.6%Min. Thickness ... +0.15mm(+6mil)V-cut Position Tolerance+0.2mm(+8mil)Base Material Thickness0.2-3.5mmBase Material Copper Thickness18um, 35um, 70umElectrolytic ...