PROCÉDÉ D'ÉTIQUETAGE DE FLACONS OU D'AMPOULES STOCKÉS À DES TEMPÉRATURES AUSSI BASSES QUE - 200°C

摘要

This invention relates to an apparatus and method for applying writings and other markings to a frozen vial or ampoule, which is filled with biological material, and which is held at temperatures between about -70 °C and about -196 °C. More particularly, the invention relates to a laser marking method that allows frozen vials to be labeled, while maintaining the integrity of the biological material contained therein.