For this process, {HEAD ~ a 500 angstrom layer} of {TAIL ~ chromium} is used as the seed layer underneath 5000 angstroms of gold 
of
For this process , { HEAD ~ a 500 angstrom layer } of { TAIL ~ chromium } is used as the seed layer underneath 5000 angstroms of gold
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH