Stains and discolouration on surface of base material

Slight discolouration of base material

Description:
This sample has been subjected to one heat cycle (soldering).

Causes/Remedy:

  • thermal stress

Basismaterial mit Fleck Source:
visual, optical inspection - general view

Medium discolouration of base material

Description:
This sample has been subjected to three heat cycles

Ursachen/Abhilfe:

  • excessive thermal stress
  • unsuited for several soldering cycles

verfärbtes Basismaterial Source:
visual, optical inspection - general view

Extreme discolouration of base material

Description:
This sample has been subjected to more than five heat cycles (soldering)

Ursachen/Abhilfe:

  • excessive thermal stress
  • unsuited for several soldering cycles

stark verfärbtes Basismaterial Source:
visual, optical inspection - general view
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