Patent ID: 8409978

Claim:
A method of making a semiconductor device, comprising: providing a substrate including a plurality of lead fingers with a surface disposed at a same level around a die area; forming a first conductive layer over the surface of a first set of the lead fingers; forming a second conductive layer over the surface of a second set of the lead fingers, each second conductive layer being positioned adjacent to the first conductive layer and each first conductive layer being positioned adjacent to the second conductive layer, the second conductive layer including a thickness greater than a thickness of the first conductive layer; forming a plurality of bumps over the first and second conductive layers with a width of the bumps greater than a width of the first and second conductive layers and the bumps formed over the first conductive layer overlapping the bumps formed over the second conductive layer while the bumps remain physically separated by the thickness of the second conductive layer being greater than the thickness of the first conductive layer; and forming a plurality of bond wires electrically connected to the bumps.