Patent ID: 8492892

Claim:
A solder bump connection formed on a dielectric layer and coupled with a conductive feature in the dielectric layer, the solder bump connection comprising: a solder bump; a first conductive layer on the dielectric layer; a second conductive layer on the first conductive layer, the second conductive layer coupled by the first conductive layer with the conductive feature, and the second conductive layer having a top surface; a dielectric passivation layer on the top surface of the second conductive layer, the dielectric passivation layer arranged relative to the dielectric layer such that the first conductive layer and the second conductive layer are disposed in part between the dielectric passivation layer and the dielectric layer; a via opening extending through the dielectric passivation layer to the top surface of the second conductive layer; and a conductive plug in the via opening, the conductive plug coupling the solder bump with the second conductive layer, wherein the dielectric passivation layer and the conductive plug have approximately equal thicknesses.