PCB Manufacture Molten Solder

ABL Circuits PCB Manufacture Molten Solder

Once the solder resist ink is cured the panels are then either hot air solder levelled, which involves emersing the whole panel in a liquid bath of molten solder, and as the panel is withdrawn from the bath, a blast of hot air blows out all the excess solder leaving the holes perfectly smooth and clean and all the surface mount pads perfectly flat and smooth.