Journal
ADVANCED MATERIALS
Volume 27, Issue 12, Pages 2083-2089Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201405483
Keywords
anti-counterfeiting; biomimetics; configurable taggants; microfingerprints; unclonable taggants
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2010-0017860, 2012-0009555, 2012M3A9B2030170]
- Ministry of Education [NRF-2011-35B-D00015, NRF-2013H1A2A1033535]
- Institute for Basic Science (IBS)
- Industrial Technology Innovation Program - Ministry of Trade, Industry & Energy (MI, Korea) [10050991]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10050991] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0017860, 2015H1A2A1033900, 22A20130012188, 2012M3A9B2030170, 2012-0009561, 2013H1A2A1033535] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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An unclonable, fingerprint-mimicking anti-counterfeiting strategy is presented that encrypts polymeric particles with randomly generated silica film wrinkles. The generated wrinkle codes are as highly unique as human fingerprints and are technically irreproducible. Superior to previous physical unclonable functions, codes are tunable on demand and generable on various geometries. Reliable authentication of real-world products that have these microfingerprints is demonstrated using optical decoding methods.
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