How to clean PCB after soldering?

Trends that raise demands on 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 the print 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 leakage current and short circuits

2

Dendrite formation causing leakage current and short circuits

What causes these problems?

Flux residue on PCB 

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Created by Ondřej Vašíček