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Opens at QFP

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Description:
Opens at a QFP. This is the example shown in the main file but a general view of it. The high number of unsoldered leads at the bottom is clearly visible.

Causes/Remedy:
  • solder paste missing
  • insufficient solder paste application
  • coplanarity problems of the component
  • poor wetting of the leads
  • leads bent, deformed


Source: SEM
Opens at a QFP
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