Physically unclonable function device, method and apparatus
US11611444B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Aug 7, 2018 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Feb 26, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D62/822
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A physically unclonable function (PUF) device 1 capable of exhibiting a unique quantum mechanical effect as a result of quantum mechanical confinement exhibited by the device 1. The device 1 comprises a group IV semiconductor heterostructure. The group IV semiconductor heterostructure may comprise Silicon/Germanium. The device 1 may comprise a group IV semiconductor resonant tunnelling diode (RTD).A Si-integrated circuit, method, use, and apparatus are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.