4 layer pcb board spec: 1)Gold coating(0.03-0.05um) 2)2oz for outerlayer 3)EXW:3.75 usd dollars/pc,300$ for testing tool cost

4 layer pcb board spec:1)Gold coating(0.03-0.05um)2)2oz for outerlayer3)EXW:3.75 usd dollars/pc,300$ for testing tool cost

Minimum Line Width/Space: 0.1mm

- Minimum Finished Drilled Hole Size: 0 .010”

- Minimum Finished PCB Thickness:  0.031”

- Maximum Finished PCB Thickness:  0.125"

-Minimum Layer Count:  Single

- Maximum Layer Count:  8

- Available Surface Finishes:

Immersion Gold

Immersion Tin

Lead Free Solder (RoHS)

HASL

- Available Materials:

FR4 130 Tg / FR4 170 Tg (RoHS)

4 layer pcb board