lesley
Jul 16,2020
11397
The Formation and Prevention of Black Pad and Phosphorus-Rich Layers
In our daily SMT soldering operations, we often find that ENIG surface-treated boards are prone to two fatal problems: nickel corrosion and phosphorus-rich layers. Once such problems occur, they often...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 8 |
| 2 | Engineer | 1 |
| 3 | Engineer | 1 |
| 4 | Dr. TRonik | 1 |
| 5 | John samathanam | 1 |
