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Paper Based Materials Laser Marking

Views: 0     Author: Site Editor     Publish Time: 2023-10-25      Origin: Site


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Paper Based Materials Laser Marking

Paper based materials are made by pressing moist cellulose fibers together to form sheets, and then drying the sheets. The most common source for the cellulose fibers used to make paper based materials is wood pulp. However flax, hemp, and cotton are also used. All types of paper based materials can be processed by laser cutting, engraving, and marking.


Types of Paper Based Materials

  • Bond Paper

  • Card Stock

  • Cardboard

  • Coated Paper

  • Construction Paper

  • Copy Paper

  • Fish Paper

  • Kraft Paper

  • Matboard

  • Rice Paper

  • Silk Paper

  • Synthetic Paper

  • Vellum

Types of Laser Processes

Lasers are playing an ever expanding role in material processing, from new product development to high volume manufacturing. For all laser processes, the energy of a laser beam interacts with a material to transform it in some way. Each transformation (or laser process) is controlled by precisely regulating the wavelength, power, duty cycle and repetition rate of the laser beam. These laser processes include the following:

  • Laser Annealing

  • Laser Cutting

  • Laser Drilling

  • Laser Engraving

  • Laser Etching

  • Laser Machining

  • Laser Marking

  • Laser Micromachining

  • Laser Perforating

  • Laser Photo Engraving

  • Laser Photo Marking

  • Laser Scoring

  • Laser Sintering

  • Laser Surface Modification

  • Selective Laser Ablation

All materials have unique characteristics that dictate how the laser beam interacts and consequently modifies the material. The most common processes for paper based materials are the following:

Laser Cutting of Paper Based Materials
The energy of a CO2 laser beam is easily absorbed by the cellulose fibers that comprise paper based materials. The laser beam heats the material directly in its path, causing it to vaporize. If the laser power is sufficiently high, the laser beam will cut completely through the material. Paper based materials vaporize quickly when cut with a laser, resulting in smooth edges with minimal discoloration.

Laser Engraving of Paper Based Materials
The power of the CO2 laser beam can be limited so that it removes (engraves) material to a specified depth. The laser engraving process can be used to create patterns and designs in the paper based material surface. Laser engraving can also be used to convey information.

Laser Marking of Paper Based Materials
Colored paper based materials can be laser marked using a CO2 laser beam. The energy of the laser beam is absorbed by the colored dye, causing it to decompose. This reveals the natural color of the paper based material, without substantial material removal. Laser marking can be used to create designs or to convey information.

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