Patent ID: 11923217
Assignee: APPLIED MATERIALS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 2:
3. The processing system of claim 1, wherein the FOUP load lock further comprises:
a FOUP elevator system disposed on the FOUP load lock outside the interior space, the FOUP elevator system comprising a first shelf and a second shelf, the first shelf and the second shelf being operable to move at least along the first sidewall of the FOUP load lock, the first shelf and the second shelf being operable to move to a loading position to receive or provide a FOUP and to move to a load lock transfer position to transfer a FOUP through the load lock isolation door opening to or from the interior space, the first shelf being operable to move to a cleared position when the second shelf is in the loading position, the second shelf being operable to move to a queueing position when the first shelf is in the load lock transfer position.