Patent ID: 8747560

Claim:
A substrate processing system, comprising: a processing chamber; a pedestal disposed within the processing chamber; a lateral adjustment assembly, coupled to the pedestal and external to the processing chamber, to change a lateral centrality of the pedestal, wherein the lateral adjustment assembly comprises: an outer ring rigidly coupled externally to the processing chamber; three or more adjustment screws spaced nearly equally around the outer ring, wherein the three or more adjustment screws comprises bored out interiors and one or more external threaded regions, the one or more external threaded regions comprising a first external threaded region with a first thread pitch to mate the three or more adjustment screws with the outer ring; an adjustable support ring to adjust a spacing between the pedestal and the outer ring; and a threaded rod with a rod thread pitch to mate with the bored out interiors of the three or more adjustment screws and with the adjustable support ring, wherein the rod thread pitch is different from the first thread pitch of the first external threaded region of the three or more adjustment screws; and a vertical adjustment assembly, coupled to the pedestal and external to the processing chamber, to change a tilt of the pedestal, wherein the lateral centrality and the tilt of the pedestal are adjusted independently.