Patent ID: 8644047

Claim:
A semiconductor device comprising: a multilevel wiring structure over a semiconductor substrate, the multilevel wiring structure comprising first and second wiring layers formed at different levels from each other, and an insulating layer intervening between the first and second wiring layers; first, second, and third shield lines each formed as the first wiring layer, the first, second, and third shield lines extending in a first direction in parallel to each other, the second shield line being between the first and third shield lines and wider in a second direction that crosses the first direction than each of the first and third shield lines so that the second shield line includes a first portion that extends in the first direction on a side of the first shield line, a third portion that extends in the first direction on a side of the third shield line, and a second portion that extends in the first direction between the first and third portions; first and second data lines each formed as the first wiring layer, the first data line extending in the first direction between the first shield line and the first portion of the second shield line, and the second data line extending in the first direction between the third shield line and the third portion of the second shield line; fourth, fifth, and sixth shield lines each formed as the second wiring layer, the fourth shield line extending in the first direction while vertically overlapping the first shield line, the fifth shield line extending in the first direction while vertically overlapping the second portion of the second shield line, and the sixth shield line extending in the first direction while vertically overlapping the third shield line; and third and fourth data lines formed as the second wiring layer, the third data line being between the fourth and fifth shield lines and extending in the first direction while vertically overlapping the first portion of the second shield line, the fourth data line being between the fifth and sixth shield lines and extending in the first direction while vertically overlapping the third portion of the second shield line, and each of the third and fourth data lines being longer in the first direction than each of the first and second data lines and larger in cross-sectional area than each of the first and second data lines.