FIELD: designing and produced of custom-made firearm, applicable for identification of the barrel of the firearm produced in small lots.
SUBSTANCE: the agent applied on the inner surface of the cartridge chamber includes a mixture of fluoride of bivalent lead or oxide of quadrivalent germanium activated by thulium or ytterbium capable of generation of luminescent radiation in the blue band, La2O2S activated by ytterbium or erbium capable of generation of radiation in the green band, and Y2O3-YOF activated by ytterbium or erbium as well as Y2O3-YOCl activated by ytterbium or erbium capable of generation of radiation in the red band, the relation of the mentioned substances is prescribed beforehand.
EFFECT: provided identification of weapon by the empty case with the use of the earlier made marking elements.
3 cl, 3 ex
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Authors
Dates
2007-05-10—Published
2006-01-24—Filed