Patent ID: 8680803

Claim:
A substrate processing apparatus comprising: a frame having at least one sealable chamber capable of holding a predetermined atmosphere; at least one stator embedded at least partly into a peripheral wall of the at least one chamber, the at least one stator defining an axis of rotation; at least one rotor operative with the at least one stator and disposed substantially concentrically relative to the at least one stator about the axis or rotation, the at least one rotor being suspended in the at least one chamber by the at least one stator substantially without contact; at least one transport arm connected to the at least one rotor and having at least one end effector for holding at least one substrate; a closable opening disposed in a side of the at least one chamber, wherein the frame is arranged for removably connecting another chamber to the side of the at least one chamber and the closable opening is configured so that the at least one transport arm moves the at least one substrate between the at least one chamber and the other chamber through the closable opening.