Micro matrix data marking
US8552336B2 · kind B2 · utility
16Cited by
4References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2009 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Feb 3, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/24
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention provides methods and systems for the application and reading of micro markings for coding of information for placement on the surfaces of individual very small devices. In preferred embodiments, a two dimensional micro matrix of markings or dots is realized on a scale of a 25 um cell size and smaller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.