Patent ID: 9576861
Date: 2017-02-21
CPC Classifications: G06F,H01L

Claim:
1. A method for in-die metrology comprising: designing a plurality of universal metrology targets, wherein at least some of the universal metrology targets are measurable with a metrology tool and an inspection tool; identifying a plurality of inspectable features within at least one die of a wafer using design data; disposing the plurality of universal targets within the at least one die of the wafer, each universal target being disposed at least proximate to one of the identified inspectable features; inspecting a region containing one or more of the universal targets with an inspection tool; identifying one or more anomalistic universal metrology targets in the inspected region with an inspection tool, wherein the one or more anomalistic universal metrology targets display an inspection parameter outside a selected inspection parameter range; and responsive to the identification of one or more anomalistic universal metrology targets in the inspected region with the inspection tool, performing one or more metrology processes on the one or more anomalistic universal metrology targets with the metrology tool.