Patent ID: 11861818
Assignee: ASML NETHERLANDS B.V.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. A defect inspection system comprising:
an inspection tool for inspecting a wafer;
a memory storing instructions; and
a processor electronically coupled to the memory and the inspection tool, the processor being configured to execute the instructions to cause the defect inspect system to:
receive, from the inspection tool, inspection data representing an image of the wafer;
determine, in first inspection data representing the image of the wafer, a first set of points of interests (POIs) having a first property;
determine, in second inspection data representing the image of the wafer, a second set of POIs having a second property, wherein the second inspection data does not include the first set of POIs;
determine, in the second set of POIs, a third set of POIs having a third property; and
report the third set of POIs as defects having both the second property and the third property.