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PROTECTION METHOD AGAINST FORGERIES OF DOCUMENTS, SECURITY PAPERS OR ITEMS BY MEANS OF NANODIAMONDS WITH OPTICALLY ACTIVE NE8 CENTRES
PROTECTION METHOD AGAINST FORGERIES OF DOCUMENTS, SECURITY PAPERS OR ITEMS BY MEANS OF NANODIAMONDS WITH OPTICALLY ACTIVE NE8 CENTRES
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机译:带有光学活性NE8中心的纳米金刚石对文件,安全文件或物品的伪造品的保护方法
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摘要
FIELD: nanotechnologies.;SUBSTANCE: invention refers to protection of objects, namely documents, security papers, currency symbols or items against forgeries. Protection method of objects against forgeries consists in the fact that to the object there introduced or applied is a mark fluorescing under influence of outer radiation and which represents nanocrystal of diamond with active NE8-centre; at that, fraudulent check of the object with the above mark in the form of nanocrystal of diamond with active NE8-centre is performed as per recording of narrow peak of luminescence after irradiation of the above object with wide-band radiation source.;EFFECT: invention provides high protection against forgeries.;6 cl, 4 dwg
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