8-layer tin spraying security pcb layer number: 8L
Plate thickness: 1.6mm
Outer copper thickness: 1 OZ
Inner copper thickness: 1 OZ
Minimum hole diameter 0.2mm
Minimum line width/line spacing: 3mil
Surface treatment: tin spraying
Product use: security motherboard
Process difficulties:/
8-layer tin spraying security pcb product advantages:
1. Top technical team with rich production experience in precision multilayer circuit board
2. Leading process capability to meet the demand for precision multilayer PCB manufacturing
3. Advanced automatic production equipment and precision inspection equipment
4. Strict quality control system ensures 100% qualified rate of delivery quality
5. Green environmental protection pioneer, the confidence choice of well-known customers