Security Features

Security features – to ensure maximum built-in security

Louisenthal offers central banks an extensive range of banknote security features that involve secure complex processes to ensure protection against counterfeiting. Louisenthal’s security features are embedded into or applied onto the banknote during the paper production process, making them an integral part of the substrate. As a subsidiary of the banknote specialist and technology provider Giesecke & Devrient, Louisenthal provides security features that are all fully optimized for banknote processing.

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Cylinder Mould Watermarks

The complexity and exclusiveness of producing cylinder-mould watermarks has continued to provide protection for hundreds of years against counterfeiting. The attractive designs that result are for the general public, the most recognizable security feature to authenticate on a banknote.

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Our portfolio

  • Multitone Watermark
  • HighLight Watermark
  • Pixel Watermark

Secure Windows

varifeye® windows are innovative security elements with effective optically variable effects for banknotes. Louisenthal's varifeye secure windows provide stunning views through to effective security features for a banknote user.

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  • varifeye®
  • varifeye® C2
  • varifeye® Pixel
  • varifeye® Magic

Security Threads

Security threads are a highly effective and good value long-lasting security feature. Widely recognized by the public, security threads are extremely complex to produce to ensure protection against counterfeiting.

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  • RollingStar® Security Threads
  • ColourShift Threads
  • Holographic Threads
  • Demetallized Threads
  • Printed Threads

Foil Elements

Security foil elements are easy-to-authenticate security features with striking designs across a prominent area of a banknote. Security foils ensure high recognition and design flexibility, incorporating gold, copper, or aluminum effects. Exclusive and sophisticated origination technologies are used to create customer-specific designs that are secure against counterfeiting.

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  • Holographic Foils
  • Other OVD Foils

Printed Features

Printed features using optically variable inks (OVIs) create alluring anti-copy security features that enable fast authentication of banknotes. Printed features create effects that depending on the angle of view are either visible, change color or vanish when the banknote is tilted.

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  • Iridescent Printed Features
  • OVI Printed Features
  • UV Fluorescerent Printed Features

Covert Security Features

Louisenthal offers innovative covert features which can be integrated in security thread or foil features to boost their functionality at different authentication levels.

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Our portfolio

  • Machine-readable magnetism
  • Machine-readable electrical conductivity
  • UV fluorescence
  • Pole®