Fingerprint development methods
US6306662A · kind A · utility
11Cited by
9References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2000 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Jan 19, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Photoluminescence lifetimes are obtained by attaching photoluminescent semiconductor nanocrystals or lanthanide complex incorporated in dendrimer to fingerprint residue which are compatible with time-resolved imaging techniques for latent fingerprint detection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.