Patent ID: 8089135
Filing Date: 2012-01-03
Classification: G06F,H01L

Abstract:
1. A back-end-of-line (BEOL) wiring structure comprising: a first dielectric layer having a top surface and a bottom surface; a passive element between the top surface and the bottom surface of the first dielectric layer; a first via in the first dielectric layer, the first via including a plurality of sidewalls that intersect a portion of the passive element; a first conductive layer disposed on the portion of the passive element and extending between the sidewalls of the first via; a second conductive layer disposed on the sidewalls of the first via and on the first conductive layer; and a third conductive layer disposed in the first via, the third conductive layer separated from the sidewalls of the first via and from the first conductive layer by respective portions of the second conductive layer.