Stability of bit generating cells through aging
US11750192B2 · kind B2 · utility
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24References
21Claims
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Key dates
| Filing date | Dec 9, 2021 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Jan 20, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3278
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Bit generating cells are subjected to processes that accelerate aging-related characteristics before they are configured for use in the field (enrolled). Aging improves the reliability of the cells by shifting device characteristic in a direction that improves the cell behavior with respect not only to aging but also environment variations. Outputs of the cells are read, and the cells are reconfigured with a bias to output an opposite value, and then aged for enrollment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.