Patent ID: 8664064

Claim:
A method of forming a field effect transistor (FET), comprising: providing a substrate; forming an active fin including a source and drain, respectively, on the substrate and an isolation region adjacent to the active fin; forming a recessed region in an area of the active fin between the source and drain; and forming a gate structure including a gate electrode and a gate spacer, substantially perpendicular to the active fin, in the recessed region in the area of the active fin, the gate spacer extending into the recessed region, wherein the method further includes, forming an insulating layer on the active fin to completely extend over the source and drain and the recessed region between the source and drain, wherein the insulating layer is between the gate spacer and at least one of the source or drain and wherein the recessed region is extended in a direction of the gate structure from a side of an edge of the active fin to an opposite side of the edge of the active fin.