The ablated coating on the carrier backing is heated to form {TAIL ~ a tacky film} of the coating on {HEAD ~ the carrier backing} 
The ablated coating on the carrier backing is heated to form { TAIL ~ a tacky film } of the coating on { HEAD ~ the carrier backing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD