Importance

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Abstract

A thermally activated, multi-color identification device having a substrate, an adhesive layer and a thermal activation layer underlying a protective coating. The thermal activation layer includes multiple regions of multi-colored thermal sensitive coating to achieve multi-color thermal printing on a single media. Alternatively, the thermal activation layer may be mono-color with regions of multi-colored ink underlying the thermal activation layer. The protective coating may be a polymer or varnish to protect the thermal activation layer from environmental hazards. The clear protective coating permits uniform activation of the thermal activation layer while protecting the same.

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First Claim