- Provide the copper plate have pretreated
- UV ink is printed on the bending part of copper plate
- The surface of copper plate is browned by using browning liquid
- Press and drill copper plate covered with UV ink
- Electroplate the first finished product
- Make outer layer on copper plate
- Solder mask printing on copper substrate
- V – CUT the second finished product
- The bending position of copper plate is surface treated and the finished product is obtained
- Check up case ,packing and shipping
You May Like:
1、PCB hole copper fracture reason
2、What are the requirements for copper thickness of PCB orifice
3、9 attention points of copper application