US Patent 10535602 Reduced area eFuse cell structure

An integrated circuit structure includes a first fuse line formed in a first metal layer; a second fuse line formed in the first metal layer; a first pair of fuse wings formed in the first metal layer on opposite sides of a first end of the first fuse line; a second pair of fuse wings formed in the first metal layer on opposites sides of a first end of the second fuse line; a third pair of fuse wings formed in the first metal layer on opposite sides of a second end of the first fuse line; and a fourth pair of fuse wings formed in the first metal layer on opposites sides of a second end of the second fuse line. The first and second pairs of fuse wings share a first common fuse wing and the third and fourth pairs of wings share a second common fuse wing.