Multilevel States of Nano‐Electromechanical Switch for a PUF‐Based Security Device
Source abstract
Abstract
Abstract A nano‐electromechanical (NEM) switch using multilevel states based on the high security physical unclonable function (PUF) is proposed and experimentally demonstrated. Using the asymmetric random stiction of a silicon nanowire (SiNW), the conventional binary state is simply expanded to a quaternary‐state encryption key without increasing chip area. The multiple states are determined by the asymmetrically bent direction and stiction of the SiNW. The experimental results show that the fabricated NEM‐PUF with multistates retains unique, random, and robust characteristics, while the key capacity is doubled, even with the same array size footprint.
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Research context
OpenAlex topics: Physical Unclonable Functions (PUFs) and Hardware Security · Advanced Memory and Neural Computing · Neuroscience and Neural Engineering
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST) 291 Daehak‐ro Daejeon 34141 Korea
Semiconductor R&D Center Samsung Electronics 1, Samsungjeonja‐ro Hwaseong 18448 Korea
System LSI Division Samsung Electronics 1, Samsung‐ro Yongin 17113 Korea
Funding
Ministry of Science, ICT and Future Planning · National Research Foundation of Korea
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