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Shadow image security feature

  • US 10,112,434 B2
  • Filed: 12/29/2008
  • Issued: 10/30/2018
  • Est. Priority Date: 05/16/2008
  • Status: Active Grant
First Claim
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1. A security document comprising:

  • a core;

    a portrait image of an intended holder of the security document applied to the core, the portrait image is visible on the security document;

    a window area in the core, the window area includes a metalized foil layer disposed between two transparent layers;

    a laser ablated image formed in the metalized foil layer in the window area, the laser ablated image is separate from the portrait image, the laser ablated image is of the intended holder of the security document, the laser ablated image being transparent, and the laser ablated image is visible from a front of the security document and visible from a rear of the security document.

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