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