The CO2 Laser Marking Machine is a PC controlled workcell designed to laser mark hysol coated PCB’s. PCB sizes can range from 2.4 inches to 15 inches in width and 4 inches to 18 inches in length. The mark would typically consist of a barcode and alphanumeric characters oriented in any of the four 90 degree orientations. The barcodes are verified after marking by one of the two barcode readers in the system.