Hornsby, Dean Integrated Solutions, Mathews International, Pittsburgh, Pennsylvania.
- Laser versus conventional marking
- Additional Readings
Laser marking is the process of directing a laser beam to etch the surface of a porous or nonporous material substrate to provide the contrast for legible characters, graphics, and machine-readable symbols, such as one- and two-dimensional barcodes. Laser marking devices date back to the early 1980s for marking and coding food products and metals. A laser marking system is an assembly of electrical, mechanical, and optical components, which includes a laser. There are many methods for directing the laser beam onto the material substrate to produce a mark. Mask, galvanometric scanning, and acoustic optic are the most common methods used.
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