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

Claim 17:
18. The processing system of claim 16, wherein the FOUP load lock further comprises:
a FOUP elevator system comprising a first shelf and a second shelf moveable along a track, wherein:
the first shelf and the second shelf are moveable along the track to a loading position to receive or provide a FOUP;
the first shelf and the second shelf are moveable along the track to a load lock transfer position to transfer a FOUP to or from the interior space;
the first shelf is movable along the track to a cleared position when the second shelf is at the loading position; and
the second shelf is moveable along the track to a queueing position when the first shelf is at the load lock transfer position.