An elevator assembly is mounted within the carousel and is moveable in an axial direction for alignment with {HEAD ~ different wafer holding positions} which are spaced along {TAIL ~ the trays} 
An elevator assembly is mounted within the carousel and is moveable in an axial direction for alignment with { HEAD ~ different wafer holding positions } which are spaced along { TAIL ~ the trays }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL