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