A contact/container photo and etch creates a contact/container opening to provide {HEAD ~ access} to {TAIL ~ the underlying active area} either directly or through a conductive plug 
A contact / container photo and etch creates a contact / container opening to provide { HEAD ~ access } to { TAIL ~ the underlying active area } either directly or through a conductive plug
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH