third source/drain regions of {TAIL ~ the second conductivity type} formed in {HEAD ~ the outward portions} from said second silicate glass layer in the primary surface of said substrate; and 
third source / drain regions of { TAIL ~ the second conductivity type } formed in { HEAD ~ the outward portions } from said second silicate glass layer in the primary surface of said substrate ; and
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH