Covert Authentication (Security Seal Example)

Harcor Covert Authentication technology is applied to security seals.

The technologies can be applied via conventional hot stamping.

There are no changes required to the thermal stamping machines or process. The technology transfers automatically during stamping.

Covert Authentication Examples:

  • Audible Infra Red Reader


The reader will beep when the HCA inclusion is detected.

  • IR Laser Pen

HCA product can be authenticated by Infrared (IR) Laser in a range of 940 – 980nm (invisible to the human eyes),HCA Foil will convert IR light to visible light when stimulated.

  • Document Examination Equipment

HCA inclusion can be authenticated with forensic laboratory equipment that has Infrared light illumination capability for Anti-Stokes feature.


Below is a demonstration of authentication via Audible Infra Red Reader.


Core Specifications:

Applications: Counterfeit Security