{HEAD ~ The apparatus} 1 wherein input and output magazines are mounted on opposite sides of the elevator assembly, and {TAIL ~ the chuck means} includes first and second chucks moveable in radial directions for carrying wafers from the input magazine to the trays and from the trays to the output magazine, respectively 
{ HEAD ~ The apparatus } 1 wherein input and output magazines are mounted on opposite sides of the elevator assembly , and { TAIL ~ the chuck means } includes first and second chucks moveable in radial directions for carrying wafers from the input magazine to the trays and from the trays to the output magazine , respectively
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