Patent · US Active

Defect detection using thermal laser stimulation and atomic force microscopy

US12276696B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 2022
Grant dateApr 15, 2025
Priority date
Expiry dateMay 6, 2043

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L22/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present disclosure is directed to an inspection tool having an integrated optical laser unit and atomic force probe unit with a detector unit. The inspection tool further includes a processor unit that is coupled to the optical laser unit and the atomic force probe unit and performs a fault location analysis for a device under test. In addition, the present disclosure to methods for inspecting a device under test for defects using an inspection tool having an integrated optical laser unit and atomic force probe unit that includes a detector unit.

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