STRUCTURE COMPRISING A WATERMARK OR PSEUDO-WATERMARK, AND AN INTEGRATED MICROCIRCUIT DEVICE
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United States of America Patent
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Issued Date -
Sep 8, 2011
app pub date -
Jun 22, 2009
filing date -
Jun 24, 2008
priority date (Note) -
Abandoned
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Abstract
The invention provides a structure comprising: a fiber layer; a sub-structure including a translucent region; a watermark or pseudo-watermark carried by the fiber layer and superposed at least in part with the translucent region of the sub-structure, such that, in the translucent region of the sub-structure, the watermark or pseudo-watermark is observable in light transmitted through the structure only from the face of the structure that is adjacent to the fiber layer; and an integrated microcircuit device for communicating with or without contact.
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