Printable unclonable function patterns
US11772406B2 · kind B2 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2021 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Jul 29, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A print feedstock has a base material and a marker material, the base material and the marker material having different physical properties. A system to validate objects includes at least one printer to print feedstock onto an object, the feedstock comprising a base material and a marker material, the base material and a marker material having different properties, a device to create a unique identifier for the object based upon a pattern of the feedstock, and a store in which the unique identifier can be stored.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.