1.Fr-4,Hasl,1.6mm 2.Green soldermask,white legend 3.PCB,FPC 4.UL,SGS,ISO9001,RoHS,QS9000 5.Welcome to customize pcb boards Double-sided BGA PCB A. Rigid pcb capacity No. itemsSpecifications1Layers1- 24 layer2Max working panel area457 x 610 mm3 Min board thickness4 layer: 0.40mm6 layer: 0.80mm8 layer: 1.00mm10 layer: 1.20mm4Min trace width0.10mm5Min spacing0.10mm6Min hole diameter0.20mm7Min Copper ...