Mr. George K. Phillips Profile

George K. Phillips

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Proceedings Article | 3 June 2004 Paper

New digital anti-copy/scan and verification technologies

George Phillips

Proceedings Volume 5310, (2004) https://doi.org/10.1117/12.525500

KEYWORDS: Reflectivity, Printing, Patents, Visualization, Camouflage, Absorption, Digital photography, Scanners, Halftones, Reflection

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This white paper reviews the method for making bearer printed information indistinguishable on a non-copyable substrate when a copied attempt is made on either an analog or digital electrostatic photocopier device. In 1995 we received patent number 5,704,651 for a non-copyable technology trademarked MetallicSafe. In this patent the abstract describes the usage of a reflective layer, formed on a complex pattern region and having graphic or font size shapes and type coordinating to particular patterns in the complex pattern region. The technology used in this patent has now been improved and evolved to new methods of creating a non-copyable substrate trademarked CopySafe+. CopySafe+ is formed of a metallic specular light reflector, a white camouflaged diffused light reflector, and the content information 'light absorption' layer. The synthesizing of these layers on a substrate creates dynamic camouflaged interference patterns and the phenomena of image chaos on a copy. In short, the orientation of a plurality of spectral and diffused light reflection camouflaged layers, mixed and coordinated with light absorption printed information, inhibits the copying device from reproducing the printed content.

Proceedings Article | 19 April 2002 Paper

Combining nanocharacter printing, digital watermarking, and UV-coded taggents for optimal machine-readable security

George Phillips

Proceedings Volume 4677, (2002) https://doi.org/10.1117/12.462707

KEYWORDS: Printing, Digital watermarking, Visualization, Ultraviolet radiation, Computer security, Halftones, Inspection, Modulation, Photography, Digital imaging

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The ability to combine printed encrypted nano/micro structures and nano alpha/numeric algorithms - 'NaNOcopy'/'LogoDot' - with embedded digital hidden data, - 'digital watermark' - and/or coded UV taggents - TechMark to create the ultimate machine readable Lock - Hide a Key - Key protection for documents or packaging security is new. Extreme minute nano characters, structures, photographs, or logos, can be printed on a document in a specific pattern configured for forming an anti-copy latent warning message, which appears when copied. The NaNOcopy structures or LogoDots are uniquely micro printed to formulate certain encrypted information or algorithm calculation for further verification and protection from counterfeiting or alteration. Major companies such as IBM, Xerox, Digimark and Spectra Systems are presently offering digital watermarking technologies to secure both digital and analog content. Appleton Security Products has a VeriCam hand held reader, which can detect the combination of a substrate embedded UV coded taggent, TechMark, with the presence of other data such as a digital watermark and NaNOcopy/LogoDot printing. Unless the reader identifies the presence of the TechMark UV coded taggents, the data carrier cannot be opened.

Proceedings Article | 7 April 2000 Paper

Combining thermochromics and conventional inks to deter document fraud

George Phillips

Proceedings Volume 3973, (2000) https://doi.org/10.1117/12.382179

KEYWORDS: Printing, Inspection, Visualization, Camouflage, Temperature metrology, Skin, Manufacturing, Patents, Moire patterns, Sensors

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The ability to print high-resolution thermochromic indicia, combining conventional inks with sophisticated printing technologies to either camouflage latent messages or create a warning message when copied, is new. (1) For Authentication: Offset thermochromic inks can trap a message that is printed in conventional ink. The conventional ink must match the thermochromic ink in density and color hue in order to perfectly hide at typical office room temperature. This technique is very difficult to manufacture. Even if a fraudster was to obtain the protected ink, the technology is still extremely difficult to replicate. (2) For Copy Protection: Irregular pattern graphics printed in thermochromic ink over a linear Copy/Void message, or dot pattern Copy/Void message, allows for superior protection against replication. The thermochromic pantograph camouflages the Copy/Void message. But, because thermochromic inks are both temperature sensitive and low in color pigment, the Copy/Void message prints through the ink onto the copy. This technology allows for an increase in disparity between the message and the background screen; maximizing protection effectiveness. Documents utilizing ThermoSafe and TouchSafe technologies have been produced in the tens of millions as a fraud deterrent. To our knowledge these security technologies have yet to be compromised.

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