{TAIL ~ An anode region} of the first conductivity type is formed adjacent the second gate structure in {HEAD ~ a portion} of the source/base region 
{ TAIL ~ An anode region } of the first conductivity type is formed adjacent the second gate structure in { HEAD ~ a portion } of the source / base region
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH