The second metal layer is deposited over the spacer to complete {HEAD ~ the connection} between {TAIL ~ the first and second metal layers} 
between
The second metal layer is deposited over the spacer to complete { HEAD ~ the connection } between { TAIL ~ the first and second metal layers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL