Patent ID: 8809997

Claim:
An e-fuse structure, comprising: a first doped region having a first conductivity type, wherein the first doped region is formed in a substrate; a second doped region having a second conductivity type, wherein the second doped region is formed in the substrate and contacts the first doped region, and the second conductivity type is different from the first conductivity type; a conductive pattern disposed on the first and second doped regions and contacting the first and second doped regions; a first contact plug disposed on the conductive pattern in an area corresponding to the first doped region; a second contact plug disposed on the conductive pattern in an area corresponding to the second doped region; and a well region disposed in the substrate, wherein the first and second doped regions are disposed in the well region, wherein the well region comprises a first portion having the first conductivity type and a second portion having the second conductivity type, wherein the first portion borders the first doped region and the second portion borders the second doped region.