Patent ID: 7573115

Claim:
A bond pad structure comprising: a first metal pad disposed over a pad area; a first insulating layer disposed underneath said first metal pad; a plurality of first metal vias through said first insulating layer and adjoining said first metal pad; and a plurality of vertical alternating stacks of at least one of third metal pads and at least one of second metal vias, wherein said plurality of vertical alternating stacks is connected to said first metal pad through said plurality of first metal vias, wherein each of said vertical alternating stacks is located beneath said first metal vias, adjoins at least one of said plurality of first metal vias, and terminates at its top with one of said third metal pads, wherein each of said plurality of vertical alternating stacks does not adjoin any other conducting material than said plurality of first metal vias, and wherein an entirety of said plurality of vertical alternating stacks underlies said pad area of said first metal pad.