SOLDERABILITY TEST – EXPIRED MATERIAL
1. Material information
Part number
1FF0101902D.01
Date code
2223
TELIT quality instruction
- Perform solderability test 1 panel on both side:
+ FIH interface: solderability test TOP side
+ Customer interface: solderability test BOT side
SOLDERABILITY TEST – EXPIRED MATERIAL
2. FIH interface (TOP)
2.1 Process flow
Check material
Solder printing
VQ
Reflow
Result
2.2 Result
Solder paste before reflow
Solder paste after reflow
1FF0101902D.01
Date code: 2223
Conclusion: Solder cover over
95% copper pad  OK
Reference data