SSB of FR-2 1L, FR-2, 1.5mm, 1OZ, Green solder mask, White silkscreen, ... Punching, OSP. E-test SERIALITEMTECHNICAL DATA1Layers1-16 Layers2Base-materalFR-2, CEM-1, FR-4, Metal base, Rogers...3Board ... thickness8~126 mil (0.2~6.0mm)4Copper foil0.5oz, 1oz, 2oz, 3oz, 4oz ... 2mil (0.05mm)15HASL(HAL)40u"~1000u"16OSP(Entek)2-5um17Gold fingerNi: 80~250u", Au: 1~5u"18Immersion ...