... of Rapid Plate services. Why Choose Us?? Our advantages 1.Professional engineer can provide PCB circuit design,BOM and diagram ... Pcb Capability 1Layer1-28 layer2MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,Aluminum, Ceramic, Rogers,F4B,Teflon3Board thickness0 ... .line spaceing0.076mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold, ...