Process and device for revealing impact(s) received by a substrate
US5242830A · kind A · utility
25Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1991 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P15/03
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A process and device for revealing impact(s) received by a substrate make use of a film capable of being deposited onto said substrate and consisting of a matrix in which are embedded microcapsules intended to be broken during the impact and thus to release product(s) which they enclose and which is (are) endowed with different photoluminenscence properties according to whether it is (they are) encapsulated or released into the matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.