FIELD: information technologies.
SUBSTANCE: during implementation of this method, passive protector of specified structure is formed on valuable article, and controllability of the protector presence and identity is provided. Metal or semiconductor with electrolytically processed to formation of coarse finish of nanosize level surface is used as protector's material. In this method specific generation of "giant" reflected second harmonic is used as detected informative characteristics, and controllability of protector presence and identity is provided via method of optical effects analysis during its exposure to explorative electromagnetic radiation of visible optical range and detection of informative characteristics in optical response of protector to the mentioned action.
EFFECT: rising security reliability level.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PROTECTION AGAINST FAKES AND CONTROL OF VALUABLE PRODUCTS AUTHENTICITY | 2007 |
|
RU2333535C1 |
| METHOD FOR COUNTERFEIT PROTECTION AND CONTROL OF VALUABLE ARTICLES IDENTITY | 2007 |
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RU2343547C1 |
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| METHOD FOR COUNTERFEIT PROTECTION AND AUTHENTICATION OF VALUABLES | 2007 |
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RU2359329C2 |
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| METHOD FOR COUNTERFEIT PROTECTION AND AUTHENTICATION OF VALUABLES | 2006 |
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RU2359328C2 |
