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