Patent ID: 8664720

Claim:
A semiconductor device comprising: a first source of a first doping type disposed in or over a substrate; a first drain of the first doping type disposed in or over the substrate; a first fin disposed in or over the substrate, the first fin having a first sidewall and an opposite second sidewall; a first gate region disposed between the first source and the first drain, the first gate region wrapping around the first sidewall and the second sidewall; a first channel region disposed under the first gate region within the first fin; a first extension region of the first doping type disposed between the first channel region and the first drain, wherein the first extension region is part of the first fin; a first isolation region disposed between the first extension region and the first drain; and a first well region of the first doping type disposed under the first isolation region, the first well region electrically coupling the first extension region with the first drain.