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?

1

Corrosion causing the leakage of current and short circuits

2

Dendrite formation causing the leakage of current and short circuits

What causes these problems?

Flux residue on PCBs. 

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