Invisible three-dimensional image and methods for making, using and visibility of same
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United States of America Patent
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Mar 4, 2014
Grant Date -
Jan 20, 2011
app pub date -
Jul 16, 2009
filing date -
Jul 16, 2009
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Abstract
There is provided a system and method for providing and utilizing objects having invisible three-dimensional images. There is provided an object comprising an inner material and an outer material. The inner material is formed in a three-dimensional shape and includes a first portion having a first ratio based on a first fluorescent dye and a first transparent material, wherein the first ratio is selected such as to cause the first portion to remain transparent when exposed to a visible light and the first portion to emit a first visible color when exposed to an invisible light. The outer material comprises a second transparent material formed around the inner material such as to hide the three-dimensional shape of the inner material. By exposing the object to the invisible light, the three-dimensional shape of the inner material is revealed.
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