UID marking a two-dimensional data matrix with 3mil data cell size was marked on polished plate stainless steel stock. The mark produced had excellent contrast. Total marking time was 0.6 seconds. A 20 Watt CW laser was used as opposed to a Q-switched Fiber Laser to allow for the Contrast ratio to be as high as possible.
| Sample Name: | Polished Plate | Working Distance: | |
| Material: | 304 Stainless Steel | Power: | 30 % (~6 Watts) |
| Method Used: | Laser Etching | Frequency: | N/A |
| Depth: | Speed: | 5″ / Second | |
| Laser Type: | CW Fiber Laser | Passes: | 1 |
| Focal Length Lens: | 97 mm | Cycle Time: | 0.6 Seconds |
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