A passivation capping layer overlies the ohmic contact and has an oxidation rate which is less than {HEAD ~ the oxidation rate} of {TAIL ~ the ohmic contact} 
of
A passivation capping layer overlies the ohmic contact and has an oxidation rate which is less than { HEAD ~ the oxidation rate } of { TAIL ~ the ohmic contact }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL