*NEWS*XEROX:NEW ANTI COUNTERFEIT TONER

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*NEWS*XEROX:NEW ANTI COUNTERFEIT TONER

 user 2007-06-04 at 10:40:00 am Views: 87
  • #18286

    Xerox adds clever anti-counterfeit measures to standard colour printers
    june 
    2007 Due to the expensive equipment required, anti-counterfeit printing
    measures have largely been the domain of government money-printing
    mints. Now, a bit of clever thinking at Xerox has resulted in a new
    method of using standard colour printer toner to produce flourescent
    anti-counterfeit watermarking that shows up under UV light, making
    bogus copies easy to spot.Cautious merchants know that authentic U.S.
    currency in denominations larger than $10 contains an embedded strip
    that glows when they hold it under an ultraviolet light. Bills lacking
    the thread can be identified – and rejected – as counterfeit money. Now
    scientists at Xerox Corporation  have developed a new technology that
    makes it easier to add that same level of security to any document from
    a personal check to a birth certificate using the same printers found
    in most print shops.The innovative security printing method uses a
    special combination of toners – the “dry ink” used in xerographic
    printers – to create the secure imprint. Prints from a four-color
    printer selectively expose the fluorescent properties found within
    white paper, making it possible to embed personalized printing, hidden
    security marks or codes that are only visible when exposed to
    ultraviolet light.”What amazes people about the new technology is that
    we can create fluorescent writing on a digital printer without using
    fluorescent ink,” said Reiner Eschbach, a research fellow in the Xerox
    Innovation Group and with principal color scientist, Raja Bala, the
    co-inventor of the patented process. “That means a four-color digital
    printer can print everything it normally would, and it can
    simultaneously individualize a document with a fluorescent
    identifier.The new patented technology belongs to a portfolio of
    technologies Xerox is developing that build security into documents
    based on a digital printer’s ability to make any element on the page -
    lines, text, images – unique to the recipient.The fluorescent printing
    is one of several specialty imaging technologies Xerox scientists have
    developed making it easier for a suspicious recipient to tell which
    checks, certificates, or other printed materials are authentic. The new
    specialty technology is part of the Xerox FreeFlow Variable Information
    Suite 5.0, software that Xerox sells to commercial printers and large
    enterprises like banks and insurance companies that produce
    personalized documents.”Just as US currency has a fluorescent thread to
    authenticate it, I can imagine a time when your checks will have your
    signature printed in a fluorescent stripe,” said Eschbach. “A merchant
    could easily compare the fluorescent signature with the actual one to
    validate the check.”The Xerox technology resulted from a “Eureka”
    moment of inspiration. Eschbach’s group had been involved in the
    creation of Xerox’s other specialty imaging technologies such as
    GlossMark® imaging, which uses the differential gloss in toner to print
    a hologram-like image, and he wondered if there was a way to make
    fluorescent marks with conventional toner.They realized that paper
    manufacturers put fluorescent brightening agents in paper to make it
    appear “white.” Eschbach and Bala discovered certain combinations of
    toner that would selectively allow the paper’s fluorescence to shine
    through when exposed to ultraviolet light. Based on this insight, Xerox
    developed a technology that uses the contrast to “write” fluorescent
    letters and numbers.Because the fluorescent marks can be made without
    fluorescent ink, there are no extra costs for special inks or for
    additional steps required during printing. Users can embed the security
    feature as a normal part of their printing process. The fluorescent
    writing technology is available on Xerox color production printers.