Patent · US Active

Darkfield modeling

US10984209B2 · kind B2 · utility

1Cited by
73References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 2019
Grant dateApr 20, 2021
Priority date
Expiry dateMar 5, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/8822
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a method for modeling a darkfield candidate image at a sensor, a plurality of darkfield images of the sensor is captured, wherein each darkfield image of the plurality of darkfield images is associated with a different operational condition of the sensor. An operational condition of the sensor is determined. A darkfield candidate image comprising a combination of the plurality of darkfield images is modeled based at least in part on the operational condition of the sensor, wherein a contribution of each darkfield image of the plurality of darkfield images is dependent on the operational condition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.