METHOD AND SYSTEM FOR PRINTING IDENTIFICATION MARKS

摘要

A method of applying an identification mark to a surface of a workpiece by mixing a taggant with a pad printing ink in predetermined proportions and applying the pad printing ink with the taggant included to the surface of the workpiece. A method of applying an identification mark to a surface of a workpiece includes receiving pad printing ink including a taggant and applying the pad printing ink with the taggant included to the surface of the workpiece.