Guys,
      Any advise on this subject.  The Aluminium Pad size is approximately
500um X 500um and the leads are protected by the Passivation Layer.  I
experience Corrosion problem only on the Bond Pads.  Bond Pads are opened
using RIE etch process.
Thanks,

Sanjay Thekdi
375 Los Coches Street,
Milpitas, CA 95035