Patent ID: 8615314
Filing Date: 2013-12-24
Classification: G05B,Y02P

Abstract:
1. A method, comprising: performing a first process on a workpiece; performing a qualitative analysis relating to said first process performed on said workpiece, said qualitative analysis comprising analyzing at least one metrology measurement relating to said first process and analyzing a workpiece feature, to evaluate a characteristic of said workpiece; and selecting a process control parameter for performing a second process on said workpiece based upon said qualitative analysis; wherein performing said qualitative analysis relating to said first process performed on said workpiece further comprises categorizing a characteristic of said workpiece into one of a plurality of groups, associating a plurality of recipes respectively to each of said groups, and selecting one of said plurality of recipes based upon said categorizing of said characteristic of said workpiece; wherein selecting one of said plurality of recipes further comprises selecting a recipe that at least partially causes a reduction in copper residue during a copper polishing process.