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
Electroless Au plating  Corresponding to cyan no-cyan / substitution reduction various plating solution.
Thick attachment Au plating for wire bonding is also possible.