Patent ID: 11919123
Assignee: APPLIED MATERIALS, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. The apparatus of claim 14, wherein the temperature control system includes a second arm extending over the platen, the second arm having a second base plate forming a bottom of the second arm, wherein a second plurality of second openings having predetermined fixed sizes extending from a second common plenum in the second arm through the second base plate, wherein the second common plenum is coupled to a source of coolant, wherein the arm is located such that the openings are positioned over the platen and separated from the polishing pad by a gap to deliver the coolant onto the polishing pad, wherein each of a first plurality of radial positions along the second common plenum has at least two laterally separated second openings, and wherein each of a second plurality of radial positions along the second common plenum has a single second opening.