FIELD: documents protecting devices.
SUBSTANCE: offered inventions relate to the authenticity features, protecting element, and the valuable document containing the above authenticity feature and to the production methods of the valuable document or the protecting element and to the method of the above authenticity feature check-up; the authenticity feature contains at least two luminophors on the basis of alloyed main crystal latitudes, at that the alloying ions have the electronic configuration (nd)3.
EFFECT: offered solution secures attainment of new complex authenticity features deferent by the characteristic properties, the alignment-tolerant luminescent luminophor properties.
22 cl, 5 dwg, 2 ex
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|---|---|---|---|
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|
RU2460141C2 |
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|
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|
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|
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|
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| PROTECTIVE FEATURE | 2011 |
|
RU2587398C2 |
| NIOBATES AND TANTLATED OF ALKALI AND ALKALI EARTH METALS AS SUBSTANCES OF PROTECTIVE SIGNS | 2011 |
|
RU2571751C2 |
