{TAIL ~ The semiconductor device} 1, wherein {HEAD ~ the first and the second source regions} are N type doped 
{ TAIL ~ The semiconductor device } 1 , wherein { HEAD ~ the first and the second source regions } are N type doped
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH