The parts were marked with a 10 watt q-switched ytterbium fiber laser and 160 mm focal length lens. The parts were surface etch, to create bright contrast.

Process Parameters: Light Etch Mark

Material: Stainless Steel
Power: 6 Watt
Method used: Surface Etch
Frequency: 25 kHz
Depth: Surface Speed: 50 inchsec
Laser Type: Q-Switched Fiber Laser
Focal Length Lens: 160mm
Cycle Time: 3.74 seconds

Process Parameters: Dark Etch Mark

Material: Stainless Steel
Power: 16 Watt
Method used: Surface Etch
Frequency: 35 kHz
Depth: Surface
Speed: 5 inchsec
Laser Type: Q-Switched Fiber Laser
Focal Length Lens: 160mm
Cycle Time: 13.44 seconds