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Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding

Fingerprint biometrics is a valuable and convenient security tool; every fingerprint is highly detailed and unique, we always have them on “hand”. Herein we describe a novel bench-top method of making 3D fingerprint replicas (namely, fingerprint phantoms) by exploring a unique microfabrication appro...

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Autores principales: Schultz, Clayton W., Wong, Jessica X. H., Yu, Hua-Zhong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6018551/
https://www.ncbi.nlm.nih.gov/pubmed/29941987
http://dx.doi.org/10.1038/s41598-018-27885-1
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author Schultz, Clayton W.
Wong, Jessica X. H.
Yu, Hua-Zhong
author_facet Schultz, Clayton W.
Wong, Jessica X. H.
Yu, Hua-Zhong
author_sort Schultz, Clayton W.
collection PubMed
description Fingerprint biometrics is a valuable and convenient security tool; every fingerprint is highly detailed and unique, we always have them on “hand”. Herein we describe a novel bench-top method of making 3D fingerprint replicas (namely, fingerprint phantoms) by exploring a unique microfabrication approach using conventional polymeric materials, to aid the development of reliable and accurate fingerprint biometrics. By pressing an impression of human fingerprints onto solvent-softened plastic plates (e.g., polycarbonate chips), followed by casting with polydimethylsiloxane (PDMS, a popular elastomer), we can produce a flexible, nanoscale detailed, 3D reproduction of the fingerprint (“phantom”). By testing with standard optical fingerprint scanners, we have shown that all three levels of fingerprint details can be precisely recorded and match well with the original fingerprint. Superior to artificial fingerprint patterns, these phantoms have the exact 3D features of fingerprints and introduce no variability compared to human sampling, which make them perfect targets for standardizing fingerprint scanners and for biometric applications. We envision that the microcontact replication protocol via unconventional PC molding promises a practical, bench-top, instrumentation-free method to mass reproduce many other micro/nanostructures with high fidelity.
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spelling pubmed-60185512018-07-06 Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding Schultz, Clayton W. Wong, Jessica X. H. Yu, Hua-Zhong Sci Rep Article Fingerprint biometrics is a valuable and convenient security tool; every fingerprint is highly detailed and unique, we always have them on “hand”. Herein we describe a novel bench-top method of making 3D fingerprint replicas (namely, fingerprint phantoms) by exploring a unique microfabrication approach using conventional polymeric materials, to aid the development of reliable and accurate fingerprint biometrics. By pressing an impression of human fingerprints onto solvent-softened plastic plates (e.g., polycarbonate chips), followed by casting with polydimethylsiloxane (PDMS, a popular elastomer), we can produce a flexible, nanoscale detailed, 3D reproduction of the fingerprint (“phantom”). By testing with standard optical fingerprint scanners, we have shown that all three levels of fingerprint details can be precisely recorded and match well with the original fingerprint. Superior to artificial fingerprint patterns, these phantoms have the exact 3D features of fingerprints and introduce no variability compared to human sampling, which make them perfect targets for standardizing fingerprint scanners and for biometric applications. We envision that the microcontact replication protocol via unconventional PC molding promises a practical, bench-top, instrumentation-free method to mass reproduce many other micro/nanostructures with high fidelity. Nature Publishing Group UK 2018-06-25 /pmc/articles/PMC6018551/ /pubmed/29941987 http://dx.doi.org/10.1038/s41598-018-27885-1 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Schultz, Clayton W.
Wong, Jessica X. H.
Yu, Hua-Zhong
Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title_full Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title_fullStr Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title_full_unstemmed Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title_short Fabrication of 3D Fingerprint Phantoms via Unconventional Polycarbonate Molding
title_sort fabrication of 3d fingerprint phantoms via unconventional polycarbonate molding
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6018551/
https://www.ncbi.nlm.nih.gov/pubmed/29941987
http://dx.doi.org/10.1038/s41598-018-27885-1
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