Patent ID: 6013112
Filing Date: 2000-01-11
Classification: H01L

Abstract:
A relay apparatus for transferring a plurality of to-be-treated objects contained in a cassette to a mount table of a transfer arm that is provided inside a treatment apparatus, said relay apparatus comprising:a relay chamber connected to the treatment apparatus and constituting a container having a space for containing the plurality of objects;a carrying arm having a support shaft that extends in a direction perpendicular to a bottom surface of the container of the relay chamber, and also having a plurality of mount plates that are fixed to the support shaft and include mount surfaces on which the objects are laid, said carrying arm being arranged movably inside the relay chamber and carrying the plurality of objects in said cassette to a transfer position located inside the relay chamber; anda stopper constituting a plurality of bars that are located at the transfer position, said plurality of bars extend in a direction perpendicular to the bottom surface of the container of the relay chamber and are arranged so as to allow the mount plates of the carrying arm to pass through under a condition where the mount plates are holding the objects, said stopper preventing the objects from being misaligned in a horizontal direction with respect to the mount plates by bringing the edge portions of the objects that are mounted on the mount plates at the transfer position into contact with the bars.