Description
A tamper-proof security element includes at least one polymer spacer layer and two metal cluster layers. One or more of the layers, in addition to their function, fulfills a security feature in their color-shift set-up.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Official Data Source | HTML | Access the complete Patent AT-E400449-T1: [Translated] ANTI-COUNTERFEIT SECURITY FEATURE WITH COLOR SHIPPING EFFECT on the official website. | Open resource |