FIELD: printing industry.
SUBSTANCE: invention relates to a secured and/or valuable document comprising a protective criterion with a semiconductor area. The document contains at least one first semiconductor layer and one second semiconductor layer, which contact with each other and form a system of a semiconductor contact of type II.
EFFECT: document ensures higher counterfeit protection, simple and reliable provision of authenticity verification, with simplicity of its manufacturing.
14 cl, 5 dwg, 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2503705C2 |
| SECURITY MARKING AND PRODUCT CONTAINING THIS MARKING | 2015 |
|
RU2614980C1 |
| DETERMINATION OF LAMINAR ARTICLE AUTHENTICATION | 2014 |
|
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| VALUABLE AND / OR COUNTERFEIT-PROOF DOCUMENT | 2007 |
|
RU2470792C2 |
| COUNTERFEIT-PROOF VALUABLE DOCUMENT AND METHOD FOR DETERMINING ITS AUTHENTICITY | 2012 |
|
RU2526211C2 |
| IDENTIFICATION METHOD FOR VALUABLE ITEM WITH PROTECTION ELEMENT OF LUMINESCENT TYPE, PROTECTION ELEMENT, OPTIC ELECTRONICAL UNIT FOR PROTECTION ELEMENT IDENTIFICATION, COUNTERFEIT-PROTECTED MATERIAL AND COUNTERFEIT-PROTECTED VALUABLE DOCUMENT | 2007 |
|
RU2344046C1 |
| VALUABLE DOCUMENT WITH COUNTERFEIT PROTECTION AND METHOD FOR DETECTION OF ITS AUTHENTICITY | 2008 |
|
RU2379195C1 |
| METHOD FOR COUNTERFEIT PROTECTION AND CONTROL OF VALUABLES AUTHENTICITY | 2007 |
|
RU2343546C2 |
| ARTICLE HAVING CARRIER WITH PROTECTIVE LABELLING AND METHOD OF AUTHENTICATING ARTICLE | 2014 |
|
RU2561073C1 |
| PROTECTIVE INK SYSTEM | 2019 |
|
RU2769394C1 |
