PCB Assembly  Selective Soldering
Channel: Eurocircuits
Date: 2021-02-08

As many boards cary none or just some Through Hole components, wave soldering become more or less obsolete. TH components on predominant SMD populated boards are selectively soldered, with a machine.

http://www.eurocircuits.tv/2020/10/14/pcb-assembly-selective-soldering/