5 ESSENTIAL ELEMENTS FOR PCB BOARD

The one thing still left to finish this PCB should be to validate the reflowed solder joints. In cases like this, the TVS diode had tombstoned a tad and had to be hand soldered. Then hand solder the vias and connector, as well as PCB is finish.Roughen the copper-clad surface with the copper-clad board with water sandpaper, and grind off the oxide