Method for producing tamper-proof identification elements

Details Method for producing tamper-proof identification elements Method for producing tamper-proof identification elements

2003-07-28

2011-11-29

Jolley, Kirsten (Department: 1715)

Coating processes

Fraud or tamper detecting

C427S180000, C427S248100, C427S402000, C427S404000, C427S407100

Reexamination Certificate

active

08067056

ABSTRACT:
The invention relates to a method for producing tamper-proof identification elements, and to tamper-proof identification elements produced according to said method and consisting respectively of at least one layer (2) reflecting electromagnetic waves (3), a spacer layer, and a layer consisting of metallic clusters (4). According to said method, a partial or all-over layer reflecting electromagnetic waves is applied to a carrier substrate (1), followed by at least one partial and/or all-over polymer layer having a defined thickness (3), and a layer consisting of metallic clusters which is produced by means of a method using vacuum technology or from systems based on solvents is then applied to said spacer layer(s).

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