The sample was marked with a 10 watt q-switched ytterbium fiber laser with 160 mm focal length lens. The 160mm focal length lens has a working distance of 176mm from lens to part. The sample was surface annealed to create contrast mark. Painted Brass and Anodize Aluminum are the materials that provided the greatest contrast when marked.

Process Parameters: Family Picture on Brass

Material: Brass
Power: 9 Watts
Method used: Etching
Frequency: 25 kHz
Depth: Surface Speed: 30 inch/sec
Laser Type: Q-Switched Fiber Laser
Focal Length Lens: 160mm
Cycle Time: 53.62 seconds