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

Claim 11:
12. The apparatus of claim 10, 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 from the second common plenum onto the polishing pad, and wherein at least some of the second openings are each differently sized so as to deliver a different amount of the coolant onto the polishing pad.