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