| 摘要 |
<p>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</p> |
