Patent ID: 7728048

Claim:
A composition having laser engraving properties, comprising: a host material, the host material comprising a material modified by a first process, whereby the host material as modified by the first process has increased thermal conductivity as compared to the host material before the first process; and an effective amount of a laser sensitizing additive, the laser enhancing additive sensitizing the composition for laser engraving and comprising: a first quantity of at least one of copper potassium iodide (CuKI 3 ), Copper Iodide (CuI), potassium iodide (KI), sodium iodide (NaI), and aluminum iodide (AlI); 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.