back drill pcb

8 Layer+4.75mm thick+back drilling+ENIG+min copper 1mil in holes

Layer: 8 Material: FR4 TG170
Thickness: 4.75mm Min. Line Width And Space: 6/6mil
Min. Hole Size: 0.3mm Surface finish: ENIG
Copper thickness: 1.1 OZ Leading time: 5 working days

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