... Engineering Services- PCB Design & Assembly- Product Design- Prototyping- Cable and Wire Assemblies- Plastics and MoldsProduct Description1.Detailed Specification of ... layer2MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2,Aluminum3Board thickness0.2mm-7mm4Max. ... spaceing0.075mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/ ...