Patent ID: 6123494
Filing Date: 2000-09-26
Classification: B01J,C23C,H01L,Y10S

Abstract:
A device for the loading and unloading of a vacuum chamber with workpieces to be processed at a processing station in the vacuum chamber, comprising:an in/out transport station of the vacuum chamber for receiving a workpiece from atmospheric pressure or transporting a workpiece to atmospheric pressure through at least one opening set into a wall of the vacuum chamber wherein a cover and sealing devices are provided for vacuum tight closing of the opening,at least one pusher part which can be rotated about a turning axle which is in a fixed position in relation to the opening,which pusher part has a lever mechanism which is a push/pull connecting rod, linked on one end to said cover and on the other end to an arm affixed to said turning axle,which pusher part is radially movable in relation to the axle and whereby, at least one gripping device is arranged on the pusher part on the cover, for the reception and for the transport of the workpiece,and whereby, through rotation of the axle, the push/pull connecting rod with its ends linked to the cover, is radially movable in relation to the axle between an open position of the cover, whereby a workpiece is near the axle in relation to the opening and a closed position, whereby a workpiece is distant from the axle in relation to the opening,whereby the gripping device is arranged on the cover, such that is completely projects into the vacuum chamber in the closed position.