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