Identification system
US12332480B2 · kind B2 · utility
0Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2022 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Mar 24, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2223/544
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to an identification system, method of manufacture and method of use. The structure includes at least one waveguide structure and at least one damaged region positioned in a unique pattern on the at least one waveguide structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.