a second conductive type second source, which is formed beneath {HEAD ~ the upper surface} in the body region at {TAIL ~ a side} of the second gate, wherein the second source and the first source are electrically connected with each other; and 
a second conductive type second source , which is formed beneath { HEAD ~ the upper surface } in the body region at { TAIL ~ a side } of the second gate , wherein the second source and the first source are electrically connected with each other ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH