Defect detection using thermal laser stimulation and atomic force microscopy
US12276696B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2022 |
| Grant date | Apr 15, 2025 |
| Priority date | — |
| Expiry date | May 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.