Device with integrated circuit protected against attacks made by the controlled destruction of an additional layer
US6576991B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jan 28, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An integrated circuit device is disclosed. The device includes an active film having a semiconducting material and an integrated circuit disposed on an active face of the active film. The integrated circuit includes a plurality of circuit elements. In addition, the device includes an additional film fixed to the active face of the active film, the additional film at least partially covering said integrated circuit, and an anti-fraud mechanism disposed within the additional film, the anti-fraud mechanism being positioned to align with one of the plurality of circuit elements. In some aspects, the additional film includes a protective sub-film and a sealing sub-film, wherein the protective sub-film is sealed to the active face of the active film by the sealing sub-film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.