Security element for an integrated circuit, integrated circuit including the same, and method for securing an integrated circuit
US8102031B2 · kind B2 · utility
0Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2008 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | May 2, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/17768
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An integrated circuit including a substrate; a circuit pattern formed over the substrate; and one or more fences formed around edges of the circuit pattern, each of the one or more fences having a determined electrical resistance which is used to detect the addition of malicious circuitry. Each fence has a determined electrical resistance which is used to monitor the validity of the fence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.