A simple method to verify the authenticity of a product.
Information (data, codes) is hidden and does not spoil the appearance of the packaging.
Allows discreet marking for internal logistics and control.
Paper (absorbent)
✔️
Cardboard (absorbent)
✔️
Wood (absorbent/semi-absorbent)
✔️
Textile (absorbent/flexible)
✔️
Plastic (non-absorbent)
✔️
Foil (non-absorbent/flexible)
✔️
Metal (non-absorbent)
✔️
Glass (non-absorbent/smooth)
✔️
Lak (non-absorbent surface)
✔️
Conductor (non-absorbent/cables)
✔️
Guma (flexible)
⚠️
Ceramika (hard)
✔️
(Note: ✔️ means excellent or normal compatibility, ❌ means unsuitable, ⚠️ means possible, but depends on the specific surface treatment)