Patent ID: 11933717
Assignee: KLA CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 10:
11. A metrology method comprising:
receiving, with one or more processors, locations of a plurality of metrology targets on a sample to be inspected;
designating, with one or more processors, the plurality of metrology targets for inspection with a static mode in which one or more metrology targets on the sample are stationary during a measurement or a scanning mode in which one or more metrology targets are in motion during a measurement;
directing, with one or more processors, a metrology tool to perform metrology measurements on the plurality of metrology targets in the static mode or the scanning mode based on the designation via one or more drive signals, wherein the metrology tool comprises a time delay integration (TDI) sensor including multiple pixel rows, wherein a sample stage is configured to translate the sample along a scan direction perpendicular to the pixel rows at a charge transfer rate of the TDI sensor, wherein a switching time between successive N optical configurations of the multi-channel imaging sub-system corresponds to the charge transfer rate of the TDI sensor; and
generating, with one or more processors, metrology data for the sample based on the metrology measurements on the plurality of metrology targets.