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Marking

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Marking

Marking has been a regular application for both the CO2 and excimer lasers for more than 30 years.

The CO2 laser's powerful beam can instantly mark a wide variety of non-metals. The UV energy from the excimer laser can produce dramatic color changes in plastics and ceramic materials. These marks are permanent and can be used for simple identification or traceability or anti-counterfeit. Sample testing at LightMachinery is free so do not hesitate to contact us to evaluate your marking application.

EXCIMER AND CO2 LASER MARKING

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Ceramic chip capacitor marking, very small character sizes, high throughput, good contrast on most ceramics. Excimer marking is normally integrated into an automated test handler.

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Gelatin capsules turn almost white when marked with the LaserMark laser. The large marks are made with very consistent quality at speeds up to 30 per second.

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Typical gelcap marking making system using a Hartnet Delta handling system. The overhead laser minimizes the amount of floor space required for the laser. No ink or clean up required

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High Speed marking on beer bottle labels is an ideal application for the instant marks produced by the LaserMark laser

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Epoxy coated capacitors develop high contrast marks when marked with the LaserMark laser.

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Billions of transistors are marked every year using the LaserMark laser.

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The foil on this nail polish bottle cap has been removed to reveal the base plastic. The LaserMark laser provides very sharp clear lettering required for this type of cosmetics application

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Capacitors dipped in Hysol gold epoxy mark very easily with the LaserMark laser.

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Plastic additives can dramatically alter the laser marking characteristics of plastic materials. Normally polyethylene cannot be marked with a LaserMark laser. This photo shows the appearance of polyethylene with the additive Afflair 120 after marking with a CO2 LaserMark system.

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This polyethylene sample uses Aflair 219 and produces a light mark on a dark background

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Red polystyrene is doped with Afflair 504 to produce a high contrast light mark on a dark background

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Laser marks inside bottle caps can produce vivid high contrast "sorry try again" messages at very high speed. "you just won 1,000,000" is also possible.

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CO2 laser produce a characteristic dark yellow mark on all PVC products, regardless of the base material color. A clear PVC bag is shown here

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Aerospace wire marking for Tefzel and Teflon wire. The excimer laser marks are high contrast permanent marks that cannot be removed with solvents. No reduction in insulation strength.

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Applications include marking on contact lenses, flat panel displays. Mark shown here is typical of 2D matrix codes used on flat panel displays and other high value glass substrates. Glass marks are achieved using the excimer laser at 193nm. Dot size is 100 microns

Learn More

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CO2 Lasers

Learn more about high peak power TEA CO2 lasers

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Excimer Lasers

Learn more about the powerful, ultraviolet, excimer laser

LASER APPLICATIONS

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The people at LightMachinery are veterans of the laser and optics world with many years of experience in the areas of optical design, high power lasers, optical fabrication, laser systems, metrology, thin film coatings and custom machinery fabrication.
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