Patent · US Active

Determination of defect location for examination of a specimen

US11423529B2 · kind B2 · utility

1Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 2020
Grant dateAug 23, 2022
Priority date
Expiry dateFeb 18, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P90/02
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

There is provided a method and a system configured to obtain an image of a one or more first areas of a semiconductor specimen acquired by an examination tool, determine data Datt informative of defectivity in the one or more first areas, determine one or more second areas of the semiconductor specimen for which presence of a defect is suspected based at least on an evolution of Datt, or of data correlated to Datt, in the one or more first areas, and select the one or more second areas for inspection by the examination tool.

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