FR-4 is the primary insulating backbone for the majority of rigid printed circuit boards’ (PCBs)
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Base Material: FR-4laminate
Layer: Four layer
Surface finished: HASL
Layer: Double layer
Board thickness: 1.6mm
Surface finish:ENIG
Layer: 4 layer with bline hole
Double Layer FR-4 PCBs
Surface Finish: ENIG
Thickness: 1.6mm
4Layer-FR4 PCBs-ENIG- Blind Hole
Base Material: fr4 laminate
Layer: 4ayer
