Patent ID: 7086927

Claim:
A method for processing microfeature workpieces, comprising: subjecting a first microfeature workpiece to a first process for a first process time, the first process changing a thickness of the first microfeature workpiece; subjecting the first microfeature workpiece to a second process, the second process also changing the thickness of the first microfeature workpiece; determining a thickness change of the first microfeature workpiece attributable to the first process and the second process; determining a thickness change factor for the first microfeature workpiece as a ratio of a) the thickness change minus a thickness correction, and b) the first process time; determining a target thickness change for a second microfeature workpiece; determining a target processing time as a function of the target thickness change and the thickness change factor; and subjecting the second microfeature workpiece to the first process for the target processing time.