PROTECTIVE DEVICE INCORPORATING GREAT NUMBER OF PROTECTION CRITERIA AND ITS MANUFACTURING PROCESS Russian patent published in 2003 - IPC

Abstract RU 2202828 C2

FIELD: protection of articles and objects of value against counterfeiting. SUBSTANCE: protective device incorporates a great number of protection criteria for authenticating objects or coding data related to the latter. Device has carrying substrate, metal layer and/or magnetic layer, both metal and magnetic protection criteria being effective; metal layer and magnetic layer also form graphic or visually perceptible criterion specifiers; magnetic protection criterion specifier may include magnetic tracks for data recording; various electricity conducting areas may be used in metal protection criteria specifiers for authentication and/or data coding. EFFECT: enhanced reliability of protective device. 15 cl, 14 dwg

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RU 2 202 828 C2

Authors

Uolpert Gari R.

Gartner Dzheral'D Dzh.

Kerdo Stefen B.

Kout Pol F.

Dates

2003-04-20—Published

1998-12-01—Filed