The coated plate is then ablated with a laser to form {HEAD ~ at least one opening} in {TAIL ~ the coated plate} 
The coated plate is then ablated with a laser to form { HEAD ~ at least one opening } in { TAIL ~ the coated plate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL