In such a case, two word lines are separated only by a connecting channel that enables an electrically conductive connection between {HEAD ~ a trench filling} of {TAIL ~ the trench capacitor} and a bit line 
of
In such a case , two word lines are separated only by a connecting channel that enables an electrically conductive connection between { HEAD ~ a trench filling } of { TAIL ~ the trench capacitor } and a bit line
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH