TOOL FOR PROTECTION OF SECURITIES AND DOCUMENTS AGAINST FAKING Russian patent published in 2000 - IPC

FIELD: protection of bank- notes, securities, and documents. SUBSTANCE: tool is used as label, which is designed as paint, which is applied over protected material and contains Os187 in FeBO3 matrix or Fe57 under condition that ratio of Os187 weight to material weight is within range of 1:1 to 1: 10. Content of Os187 in label is within range of 1 to 4.5 mcg. In another embodiment, label is designed as polycrystalline spinel structure, which is applied on protected material as spot or character and contains Os187 and FeBO3 or Fe57 under condition that ratio of Os187 weight to material weight is within range of 1:1 to 1:10. Area of glue that covers said spot or character, is greater than area of spot or character. Content of Os187 in label is within range of 1 to 4.5 mcg. EFFECT: simplified manufacturing. 7 cl