How to clean PCBs after soldering?

Trends that raise demands for cleanliness in the pick-and-place process

  • The general miniaturisation of PCB
  • The reduction of operating voltage
  • Narrower and smaller component spacing
  • Shorter distances between conducting paths
  • The rise in the use of electronics in all areas of industry

Why clean printed circuit boards after soldering?

It ensures that the resulting product has a far longer lifespan and is reliable for longer.

What are the most common problems?


Corrosion causing the leakage of current and short circuits


Dendrite formation causing the leakage of current and short circuits

What causes these problems?

Flux residue on PCBs. 

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