Check Printer Introduces Temperature-Sensitive Security<@SM>Feature

- MOUNDS VIEW, Minn. (11/24/00) -- Liberty hasintroduced a new thermochromatic safety feature on its checks thatmakes certain words disappear when a person touches or breathes onthem, only to have the words reappear shortly later. The newfeature uses thermochromatic, or temperature-sensitive, ink for thewords "Original Document," which appear on the back of the checks.When a person touches or breathes on the words, they disappear,demonstrating the authenticity of the check. As the security areacools, the words reappear. Liberty said its checks already featureeight other security-related features.