A new technology developed for researchers of Xerox can allow that the user makes, in house, certified copies of documents or even though contracts protected for fluorescent codes, that only can be seen under ultraviolet light. The system can sell at a loss and facilitate the protection of diverse contents to be printed matters, of important documents to an invitation for a party with restricted access. Traditionally, so that a fluorescent insertion is placed, she is necessary a special printer. The new technology obtains to create these codes with an equipment of common copy and impression -- the secret is the use of the present fluorescence already in the paper. According to publication “Technology Review”, many manufacturers of paper add fluorescent chemistries to increase the sensation of brancura of the product. The new system of impression uses different combinations of colors to produce effect the same.
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