All samples were marked with the 20 Watt Fiber Laser Marking system using a 160 mm lens. Characters 0.070” tall were marked on all samples. Annealing was used to create the marks on Samples 1 and 2. Surface etching was used to mark Sample 3. Sample 2 was marked at full power, with a cycle time of 4.05 seconds. Sample 3 was marked at a lower power, 15 watts, and had a cycle time of 6.52 seconds.