Reflow soldering
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Reflow soldering is a process in which a solder paste is used to temporarily attach anywhere from one to thousands of tiny electrical components to their contact pads, after which the entire assembly
An example of a commercial reflow oven.
Wave soldering
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Wave soldering is a bulk soldering process used in printed circuit board manufacturing. The circuit board is passed over a pan of molten solder in which a pump produces an upwelling of solder that loo
Reflow soldering
…components may also be used for through-hole components by filling the holes with solder paste and inserting the component leads through the paste. Wave soldering however, has been the common method of soldering multi-leaded through-hole components onto a circuit board designed for surface-mount components. When…
A typical Wave soldered PCB assemblie
A simple wave soldering machine.
Contact times and shape of wave solder on underside of PCB