Pulse laser irradiation wide bandgap power device
US12392816B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2024 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Dec 27, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/311
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention discloses an experimental apparatus and a test method for a pulse laser irradiation wide bandgap power device. The apparatus includes an optical path coupling system, a circuit test system, a temperature control system, and an interaction control system. According to the present invention, irradiation sensitive region locating, irradiation transient current tests, irradiation sensitive condition tests, and irradiation degradation tests for the wide bandgap power device are implemented, and advantages of convenience in experiments, simple operation, automated tests, comprehensive and accurate test results, and the like are achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.