FIELD: technological processes.
SUBSTANCE: method is related to information recording and reading and may be used in nuclear industry for marking of suspensions and boxes with spent fuel assemblies. Method includes fixing of bonding body on secured object, passing of bonding body through deformable seal, fixing of bonding body in seal by means of sealer, shaping of identification element on the seal, registration of seal optical image, its memorising and use in the next control of seal. Prior to fixing of bonding body in the seal, initial optical image of seal is registered and memorised in seal body. During seal control, after registration of seal optical image, observed identification element is duplicated manually, and this combination is memorised. In case of seal removal by effect on external surface of body, this optical image is registered and memorised, and received data base made of memorised information is analysed.
EFFECT: higher noise immunity of recording and reading of code information.
4 cl, 2 dwg
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