| 摘要 |
The invention relates to security features, preferably tear strips or threads for the identification by the manufacturer or authorized control agents of products. The security features in accordance with the invention are made up of different components, encoding means and electrically conductive layers, whereby they are connected in different arrangements to a support substrate. Layers of known perse electrically conductive polymers are utilized. In accordance with the invention, the security features are tear strips which are connected to a package, for instance by pressing, glueing or sealing. The security features constitute insurmountable technological obstacles for a forger. |
