Explorations Dan Chen / August 30, 2015
Test Jig, good for large quantity of PCBs. It’s fast but expensive, that is why large quantity could off set the cost.
Through hole drill.
Thick PCB copper layer for high current application.
Using X-Ray to locate copper sheet covered PCB
Etched PCB ready for electroplating.
This factory makes large size PCBs
Here they figure out the solution for electroplating