METHOD OF PRODUCING NANOPARTICLE TAGGANTS FOR EXPLOSIVE PRECURSORS

A method includes producing an article having a substrate with a plurality of independent taggant layers that each include metal oxide nanocrystals doped with at least one Lanthanide element. Each taggant layer includes metal oxide nanocrystals doped with a different Lanthanide element than each oth...

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Bibliographische Detailangaben
Hauptverfasser:	KELLY LISA A, SAMPLE JENNIFER L, TREXLER MORGANA M, ZHANG DAJIE, BRUPBACHER JOHN M
Format:	Patent
Sprache:	eng
Schlagworte:	BOOK COVERS BOOKBINDING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR DIFFUSION TREATMENT OF METALLIC MATERIAL FILES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LINING MACHINES LOOSE LEAVES METALLURGY MOVABLE-STRIP WRITING OR READING APPARATUS MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method includes producing an article having a substrate with a plurality of independent taggant layers that each include metal oxide nanocrystals doped with at least one Lanthanide element. Each taggant layer includes metal oxide nanocrystals doped with a different Lanthanide element than each other taggant layer.