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Tamper evident and resisting informational article and method of producing same
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Holographic magnetic stripe demetalization security
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Magnetic tape with holographic hidden pattern, method of making same and reader for reading same
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Method of reducing electro-static discharge (esd) from conductors on insulators
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Holograms with a discontinuous metal layer comprising regions of dissimilar transmittance and articles incorporating them
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Invisible encoded indicia comprised of latent image
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Enhanced security for tamper-apparent labels, seals or tags
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Techniques of printing micro-structure patterns such as holograms directly onto final documents or other substrates in discrete areas thereof
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Tamper evident holographic devices and methods of manufacture
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Card security system
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Method and apparatus for a fringe direct writing system
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Card security system, method for improving security, card reading device and card issuing device and hologram reading device
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Enhancement of chip card security
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Holographic check authentication article
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Method for enhancement of reliability of card by holography and discrimination card
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Holographic enhancement of card security
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Anti-counterfeiting laminated currency and method of making the same
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Automated holographic optical recognition and decoding system for verification
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Holographic enhancement of card security
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Technique of forming a separate information bearing printed pattern on replicas of a hologram or other surface relief diffraction pattern
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