Published on the Packaging World Web site

Materials Product Brief
| February 28, 2005

"Virtual" labels

Sherwood Technology has developed a “virtual label” system that replaces the application of variable-data print-and-apply labels in the distribution chain by incorporating a laser responsive coating into packaging materials such as cartons&#44 cases&#44 and overwraps.
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DataLase™ is a nontoxic and environmentally friendly ink coating or additive that produces a positive image when marked by a low-power CO2 laser. The ink coating or additive undergoes a simple chemical color change and creates an image that is stable and has high contrast. The laser is generally installed on the packaging/filling line for variable information applications such as date and bar coding.

SOURCE: http://www.packworld.com/sustainability/strategy/virtual-labels