Patent ID: 8049279
Filing Date: 2011-11-01
Classification: H01L

Abstract:
1. A semiconductor device comprising: a substrate of a first conductivity type; a first doped region of a second conductivity type, wherein the first doped region is disposed in the substrate; a plurality of second doped regions of the first conductivity type, wherein the plurality of second doped regions are disposed in the substrate and separated from each other, and each of the plurality of second doped is regions are surrounded by the first doped region; a third doped region of the second conductivity type, wherein the third doped region is disposed in the substrate outside of the first doped region; a gate structure disposed on the substrate between the first doped region and the third region, wherein the plurality of second doped regions are arranged in a direction parallel to the gate structure; and at least one contact disposed on the substrate, wherein each of the at least one contact connects, in a direction parallel to the gate structure, the first and second doped regions alternately.