{HEAD ~ A first semiconductor region} of the first conductivity type is disposed on the semiconductor material and in {TAIL ~ electrical communication} with at least one of the one or more reference electrodes 
is disposed in
{ HEAD ~ A first semiconductor region } of the first conductivity type is disposed on the semiconductor material and in { TAIL ~ electrical communication } with at least one of the one or more reference electrodes
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH