A method for laser marking plastic labels, comprising the steps of: - providing at least one plastic label (2) to be marked; - providing a marking laser (8), - the marking laser (8) being a diode laser (8) having at least one laser diode, and - the Marking laser (8) does not have any other laser-active medium, such as an active fiber or the like; marking the plastic label (2) by laser marking with the marking laser.
展开▼
