METHOD OF PROTECTION AGAINST FORGERY AND PRECIOUS ITEMS AUTHENTICITY CONTROL Russian patent published in 2008 - IPC G07D7/06 

FIELD: technological processes.

SUBSTANCE: invention is related to methods of precious items protection against forgery and may be used for forgery protection of museum valuables, including canvases, jewelry, and also expensive medicines, objects of intellectual property, bank notes, credit papers and other securities, and also for providing possibility of further determination of their authenticity with application of technical means. At that metal with electrochemically treated surface with formation of nanosized rough edges is used as protective agent material on precious item, components of "giant" combinational scattering that is formed by such surface are used as detected informative criteria, and possibility of checking presence and authenticity of protective agent is provided by method of analysis by optical effects in the process of its external influence with probing electromagnet radiation of visible optical range.

EFFECT: simplifies production of protection elements and simplifies control.

2 cl, 1 dwg