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Laser engraved verification hologram and associated methods

  • US 5,331,443 A
  • Filed: 07/31/1992
  • Issued: 07/19/1994
  • Est. Priority Date: 07/31/1992
  • Status: Expired due to Term
First Claim
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1. A method for increasing the authenticating effect of a hologram for affixation to a document comprises the steps of:

  • (a) forming said hologram, said hologram having an embossable layer, a reflective layer deposited over said embossable layer and a carrier layer; and

    (b) selectively etching indicia into said hologram with a computer guided laser beam, said step of etching including removal of said reflective layer, said indicia being engraved through each of said embossable layer, said reflective layer and said carrier layer.

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