IMPORTANT DOCUMENT Russian patent published in 2004 - IPC

FIELD: securities, identity cards, and the like provided with at least one identity flag in the form of fluorescent material.

SUBSTANCE: use is made of phosphor incorporating molecular sieve dye whose structure forms optical resonator. At least one dye incorporated in such resonator is capable of emitting stimulated radiation; mentioned dye is introduced in molecular sieve cavities and is accordingly disposed in or on inner and outer surfaces of this molecular sieve; transfer to emission of stimulated radiation is accompanied by variation in fluorescent properties of dye that can be identified or detected.

EFFECT: facilitated detection and identification of important document.

20 cl, 6 dwg, 3 ex