FIELD: chemistry.
SUBSTANCE: invention relates to a composite particle. Described is a composite particle for use in marking, comprising at least one superparamagnetic part and at least one thermoluminescent portion, wherein the composite particle contains (b) a thermoluminescent central portion (core) which is at least partially surrounded by (a) superparamagnetic material. Also described are a plurality of composite particles, a marking, an article, a paint, a method of supplying articles with marking, a method of identifying and authenticating an article, a device for realizing the method, a method of marking objects.
EFFECT: technical result is improved protection, reliability and prevention of falsification or counterfeiting of goods or objects.
26 cl, 9 dwg
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