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Marking machine features let small with something you know i

Article Source:http://www.shcmlaser.com Release Time:2015-12-23 09:44 Views:
Marking machine features let small with something you know it!
The principle is recognized in two ways:
"Hot processing" having a high energy density of the laser beam (which is focused on the energy flow), to be irradiated on the surface of the material processed, the surface absorb the laser energy, the heat generated in the irradiation area during excitation, so that the surface of the material (or Coating) temperature rise, resulting in abnormal, melting, ablation, evaporation and other phenomena.
"Cold" have a high load energy (UV) photons, can interrupt the material (especially organic material) or chemical bonds within the surrounding medium, to make the material damage occurred non-thermal process. This cold has a special significance in the laser marking process, since it is not a hot ablation, but does not have a "thermal injury" side effects, break chemical bonds of cold peeling layer and thus in the vicinity of the surface to be machined is not generate heat or thermal deformation effect. For example, the electronics industry using an excimer laser deposition chemical film on the base material on a semiconductor substrate out of the narrow groove.
Comparison of different labeling method
Compared with an ink-jet marking, laser marking engraving advantage that: wide range of applications, a variety of substances (metals, glass, ceramics, plastics, leather, etc.) can be marked with a permanent high quality mark. On the surface without force, no mechanical deformation of the material surface does not produce corrosion.
A variety of non-metallic materials can be carved. For garment accessories, pharmaceutical packaging, wine packaging, construction ceramics, beverage packaging, fabric cutting, rubber products, shell plate, craft gifts, electronic components, leather and other industries.
● Can be carved metal and nonmetal materials. More suitable for some of the requirements of fine, high precision processing.
● used in electronic components, integrated circuits (IC), electrical appliances, mobile communications, hardware, tools, accessories, precision instruments, eyeglasses and clocks, jewelry, auto parts, plastic buttons, building materials, PVC pipe, medical equipment and other industries.
● Suitable materials include: ordinary metals and alloys (iron, copper, aluminum, magnesium, zinc and all other metals), rare metals and alloys (gold, silver, titanium), metal oxides (metal oxide may be), special surface treatment (phosphating, aluminum anodizing, plating surface), ABS material (shell appliances, daily necessities), ink (translucent keys, printing products), epoxy resin (packaging, insulation layer electronic components).

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