... )Surface Finish:immersion gold 3)Min. Hole Size:.0.3mm double sided camera FPC1)Base Mateirl:FR-42)Surface Finish:immersion gold3 ... ,CEM-1,CEM-3BOARD THINCKNESS0.2mm-6.0mmCAMBERD≤0.75% (DOUBLE SIDE)D≤0.7%(MULTILAYER)IMPENDENCE TOLERANCE±7%PIH TOLERANCED ... ,BGA,PEELABLE,CARBON INKASSEMBLYLEAD FREE,NOT LEAD FREELEGEND COLORWHITE, BLACK, YELLOW,GREENCERTIFICATEUL,ROHS,REACH,ISO9001,T/S16949