Patent ID: 7156717

Claim:
A method of finishing a tracked semiconductor wafer having a semiconductor wafer surface and a finishing cycle time, the method comprising the steps of: providing the tracked semiconductor wafer having tracked information; providing a finishing surface; providing a finishing aid to an interface formed between the finishing surface and the semiconductor wafer surface; providing a finishing control subsystem having: at least three operative process sensors for sensing in situ process information during the finishing cycle time; access to the tracked information; and a processor to evaluate the in situ process information and the tracked information; applying an operative finishing motion in the interface forming at least one region having the finishing aid and wherein the at least one region has a tangential force of friction; and changing a plurality of control parameters in response to an evaluation of both the in situ process information sensed with the at least three operative process sensors and the tracked information and wherein changing the control parameters changes the tangential force of friction in the at least one region having the finishing aid during at least a portion of the finishing cycle time.