Slight discolouration of base material
Description:
This sample has been subjected to one heat cycle (soldering).
Causes/Remedy:
- thermal stress
![Basismaterial mit Fleck](../images/pcb/verfaerbung2.jpg)
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](../images/pcb/verfaerbung1.jpg)
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](../images/pcb/verfaerbung3.jpg)
visual, optical inspection - general view
Do you have problems with discoloured base material ?
Our analytics team can help you find the cause.
go to failure analysis at TechnoLab
Our analytics team can help you find the cause.
go to failure analysis at TechnoLab