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Laser engraving methods and compositions, and articles having laser engraving thereon

  • US 20050003297A1
  • Filed: 03/17/2004
  • Published: 01/06/2005
  • Est. Priority Date: 12/24/2001
  • Status: Abandoned Application
First Claim
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1. A composition capable of being mixed into a predetermined polymer material to improve the laser engraving properties of the predetermined polymer material, the composition comprising:

  • a first laser enhancing additive, the first laser enhancing additive comprising;

    a first quantity of at least one of copper potassium iodide (CuKI3) and Copper Iodide (CuI); and

    a second quantity of at least one substance selected from the group consisting of zinc sulfide (ZnS), barium sulfide (BaS), alkyl sulfonate, and thioester; and

    a host material into which the first laser enhancing additive is mixed, the host material comprising a material that is substantially the same type of material as the predetermined polymer material.

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