Authentication of integrated circuits
US7840803B2 · kind B2 · utility
68Cited by
51References
17Claims
0Family size
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Key dates
| Filing date | Apr 4, 2003 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Nov 15, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/42
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A group of devices are fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a measurement module for measuring the measurable characteristics. Authentication of one of the group of devices is enabled by selective measurement of one or more of the plurality of measurable characteristics of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.