{HEAD ~ The method} 16, wherein the combined gold and palladium layers are annealed at a temperature between {TAIL ~ 500° C.} and 600° C. in a hydrogen atmosphere 
{ HEAD ~ The method } 16 , wherein the combined gold and palladium layers are annealed at a temperature between { TAIL ~ 500 ° C. } and 600 ° C. in a hydrogen atmosphere
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH