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Solder bridges at QFP

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Description:
Numerous solder bridges at the leads of a QFP.

Causes/Remedy:
  • formation of dross in the solder
  • unsuitable soldering parameter: soldering angle, push-up, temperature
  • contamination of the solder (alloy)
  • unsuitable soldering direction
  • non-existance of solder thieves

Source: visual, optical inspection - general view
Solder bridges at a QFP
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