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