Plating Process
UBM plating
Electroless Ni and Au plating on Al pad
We support up to 12 inch wafers
No. | Processing process | Corresponding range (feature) |
1 | Pad surface cleaning | Dry・wet,dry + wet treatment possible,Remove the passivation film remaining on the pad. |
2 | Al etching | Corresponding to thin film pad |
3 | Zincate treatment | |
4 | Electroless Ni plating | |
5 | Electroless Pd plating | Also support Ni/Pd/Au plating |
6 | Electroless Au plating | Corresponding to cyan no-cyan / substitution reduction various plating solution. |
Thick attachment Au plating for wire bonding is also possible. |