UID data matrix with 3mil data cell size was laser marked on polished stainless steel stock. The mark produced had excellent contrast. Total mark time was 0.5 seconds. A 20 Watt CW Fiber laser was used to mark the dimensional data matrix; single spot of 50 microseconds. Resulting mark took 0.5 seconds. 

Sample Name: Polished Plate Working Distance:  
Material: 304 Stainless Steel Power: 50 % (~10 Watts)
Method Used: Laser Etching Frequency: N/A
Depth:   Speed: 5" / Second
Laser Type: CW Fiber Laser Passes: 1
Focal Length Lens: 100 mm Cycle Time: 0.5 Seconds