Patent ID: 7727876

Claim:
A method of making a semiconductor device, comprising: providing a substrate having a plurality of active devices formed thereon; forming a contact pad on the substrate in electrical contact with the plurality of active devices; disposing an intermediate conduction layer above the substrate in electrical contact with the contact pad; forming a passivation layer over the substrate and intermediate conduction layer; forming an adhesive layer substantially covering over the passivation layer; forming a barrier layer over the adhesive layer; forming a wetting layer over the barrier layer; removing the barrier layer and wetting layer in a first region while maintaining the barrier layer, wetting layer, and adhesive layer in a second region and maintaining the adhesive layer over the passivation layer in the first region; patterning a dry film over the adhesive layer in the first region; depositing bump material over the wetting layer, barrier layer, and adhesive layer in the second region in areas between the dry film; reflowing the bump material to form interconnect bumps, wherein the adhesive layer substantially covering the passivation layer reduces cracking in the passivation layer during formation of the interconnect bumps; and removing the dry film.