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[Laser Selection according to Material] Other

This section introduces the optimal laser wavelengths for a variety of materials.


GLASS

PRINTING ON GLASS

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - Printing is achieved by generating minute cracks in the glass.
  • - Repetitive marking at low power allows for clearer print quality.
  • - Quartz glass is able to be marked without causing cracks to occur on the surface.
Points to Note
  • - Printing at high power can sometimes cause large cracks.
Benefits of 3-Axis Lasers
  • - 3-Axis lasers do not require physical installation adjustments to focus the laser. Focal adjustment is done via the dedicated marking software.
  • - Purposely de-focusing the laser beam may allow for clearer marking of characters on some materials.

PRINTING ON GLASS 1 (Beverage Containers)

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - Printing is achieved by generating minute cracks in the glass.
  • - Repetitive marking at low power allows for clearer print quality.
Points to Note
  • - Printing at high power can sometimes cause large cracks.
Benefits of 3-Axis Lasers
  • - 3-Axis lasers do not require physical installation adjustments to focus the laser.
    Focal adjustment is done via the dedicated marking software.
    *Purposely de-focusing the laser beam allows for clearer marking of characters on some materials.

PRINTING ON GLASS 2 (Quartz Glass)

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - Thermal marking melts the surface of the glass.
  • - Quartz glass is heat-resistant, allowing the laser to print on the surface without generating cracks.
Points to Note
  • - Since quartz glass is heat-resistant, printing may sometimes need to be done slowly at high power to create high visibility.
Benefits of 3-Axis Lasers
  • - Allows for clear, distortion-free printing on glass products with fine tapering curves, such as test tubes and fluorescent bulbs.
  • - Variable-focal-length printing is possible without setup changes on products of various diameters and curved surfaces.


PAPER

PRINTING ON PAPER

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - The ML-Z9500 Series markers create high-visibility printing by precisely removing the preprinted surface (ink layer).
  • - High contrast marking allows for highly readable barcodes and other detailed printing.
Points to Note
  • - Darker preprinted surfaces allow for maximized contrast.
  • - Barcodes generally require more time to print than lettering.
Benefits of 3-Axis Lasers
  • - Printing is always consistent and is not affected by carton warpage or expansion.
  • - Tapering curved surfaces can be accounted for when marking, allowing for undistorted printing on complex shapes.

PRINTING ON PAPER 2 (UNPRINTED SURFACES)

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - ML-Z9500 Series models allow for high-powered printing by burning characters onto a white surface.
  • - Allows for high contrast printing on white backgrounds, therefore, easily replacing ink-jet and stamping printers.
Points to Note
  • - High-powered laser markers may generate soot when printing.
  • - Some cases may require the use of a dust collector to combat soot.
Benefits of 3-Axis Lasers
  • - Printing is always uniform, unaffected by carton warpage or expansion.
  • - The focal distance can be adjusted within a 42 mm range, allowing for flexible installation when incorporating laser markers into existing machinery and similar equipment.


CERAMICS

Suitable Models

MD-V9900 Series 3-Axis YVO4 Laser Marker
ML-Z9500 Series 3-Axis CO2 Laser Marker

Print Quality
  • - Contrasting print that is burned into the surface is achievable with a YAG/YVO4 laser.
  • - Engraved printing is achievable on ceramic targets using a CO2 laser.
Points to Note
  • - For zirconia ceramics, YVO4 laser markers are most suitable.
  • - For alumina surfaces, CO2 laser markers are most suitable.
Benefits of 3-Axis Lasers
  • - Printing on multiple ceramic targets can be achieved simultaneously (maximum 300 mm x 300 mm area).
  • - Clear printing without faded characters on curved surfaces.


PC BOARDS (Glass Epoxy)

Suitable Models

ML-Z9500 Series 3-Axis CO2 Laser Marker
MD-F3100/5100 Series 3-Axis Fiber Laser Marker

Print Quality
  • - Highly visible, contrasting print.
  • - Clear, precise printing with minimal surface damage.
Points to Note
  • - Printing should be conducted at low power, as soot will be generated if the marking power is too high.
  • - CO2 lasers are ideal for marking on printed circuit boards since metal components do not easily absorb the CO2 wavelength of light.
Benefits of 3-Axis Lasers
  • - Uniform characters can be printed in a 300 mm x 300 mm wide area allowing for multiple circuit boards to be printed simultaneously.


Coating Removal

Uniform Removal on Coated Surfaces

Suitable Models

3-Axis Hybrid Laser Marker MD-X1000/1500 series

Print Quality
  • - Only the coating is removed without scratching the equipment.
Technique
  • - Increase the spot size to prevent the component being damaged, and then scan at high speed to remove only the coating.
  • - Coatings such as enamel and cation are hard, so lower the Q-switch frequency and pulverize the coating to remove it.

On-board instrument panel switch

Alumite Layer Peeling

Suitable Models

3-Axis Hybrid Laser Marker MD-X1000/1500 series

Technique
  • - It is possible to peel off alumite using a CO2 laser marker, but the alumite film may not be peeled off completely due to
  • - Set the Q-switch frequency to a low value and shallowly engrave the alumite layer and the aluminum part. This causes diffuse reflections of light, which appear as white marking.
  • - Performing processing with a laser that has a narrow beam diameter makes the edges clear, which provides a sharp finish.

Digital camera case (alumite removal)

ITO Film Peeling

Suitable Models

3-Axis Hybrid Laser Marker MD-X1000/1500 series

Technique
  • - The processing is comparatively easy: the film can be peeled off easily even at low power.
  • - When peeling ITO film for insulation, set the frequency and scan speed so that no gap occurs between pulses in order to accurately peel off the film.

ITO film (thin film removal)

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