Next {HEAD ~ an oxide layer} is deposited and is followed by deposition of {TAIL ~ HSG poly} 
Next { HEAD ~ an oxide layer } is deposited and is followed by deposition of { TAIL ~ HSG poly }
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL