Patent ID: 7795646

Claim:
A semiconductor device, comprising: a first metal region for conducting source/drain current; a plurality of vias disposed on the first metal region; a plurality of second metal regions, electrically connected to the first metal region through the vias, for conducting the source/drain current, each of the second metal regions being disposed in a distance from the adjacent second metal regions, and having: a first piece, and four second pieces extending from the first piece, the first piece and the four second pieces being shaped as a double cross, the second pieces overlapping the first metal region for covering the vias disposed on the first metal region, and receiving the source/drain current form the first metal region through the vias; a plurality of openings disposed on the second metal regions; and a third metal region electrically connected to the second metal regions through the openings, wherein a resistance of the third metal region is smaller than the resistance of the first metal region and the resistance of the second metal regions.