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4layer PCB
2) Base material: FR-4 TG130
3) Board thickness: 1.2mm 4) Min. finished hole size: 0.20mm 5) Min. track width, spacing: 4 x 4mil 6) Outline: routing, punching, cut, V-cut, chamfered 7) Surface finish:Immersion Gold +gold finger 8) Copper thickness: 1OZ base copper,2oz finished copper. 9) E-test ![]() |