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Marking Contrast

RAPID NX Laser

RAPID NX Laser

…to 1000 kHz
* Up to 50µJ pulse energy
* Pulse on demand
* Burst mode
* High beam quality M2 100:1 Polarisation direction Vertical ± 3 degrees IR Contrast ratio > 100:1 Defined as the energy ratio of the main pulse and first post pulse Pulse stability (RMS) < 1% at 1 MHz Measured over 1000 pulses - 1…

CombiLine Advanced XL | Coherent

CombiLine Advanced XL | Coherent

…system provides a ready-to-use solution for permanent and corrosion free marking of stainless steel. The ultrashort pulse laser process doesn’t induce any significant heat and produces a high quality, high contrast mark, regardless of the viewing angle. The process is also highly suited for…

Materials Processing & Industrial Applications

Materials Processing & Industrial Applications

Marking Lasers are used to permanently mark an almost endless list of materials. Laser marking can provide a permanent high-contrast mark on different types of plastics, allowing no direct contact with the plastic other than through the laser beam. A variety of results can be achieved when marking

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

Microsoft Word - Coherent Whitepaper - Marking Stainless Steel Medical Devices

…easy field service to further reduce the cost of operation. Marking costs are also
helped with picosecond lasers by process speed; every pulse causes material transformation
and thus contributes directly to the mark contrast. With nanosecond lasers there is a need to
build-up the…

SST 2017-09 Laser Marking.pdf

SST 2017-09 Laser Marking.pdf

…molding compound into
a gray/white powder, yielding high contrast marks.
Plus, many IC packages have mold compound caps
thick enough to easily tolerate a marking depth of
30 µm to 50 µm. As a result, many marking systems
based on near IR lasers, both fiber and DPSS, are…

Solar High Efficiency AR Coatings

Solar High Efficiency AR Coatings

…unchanged. The result is
a high contrast mark that does not
wear off and which is also smooth
to the touch.
For the manufacturer, this marking
delivers two significant benefits
that justify its cost. First, it creates a mark that is extremely difficult to

CMM 9.3.indd

CMM 9.3.indd

…for
pharmaceuticals. These marks were created with a
depth of 30% (0.17 mm of 0.58 mm thickness) with a
scan speed of 1.3 m/s. The color change marks show
good contrast with no material ablation.
Summary
In summary, UV laser marking is shown to be a
superior…

LME RM Series 03-12-15 .cdr

LME RM Series 03-12-15 .cdr

…bins and vision system
assures mark location, uniformity and contrast
LASER MARKING
Pass-thru conveyor, laser marking on-the-fly
Rotary table system, 4-positions; 3 for load/unload/
inspect and 1 for marking
Custom Tag Marking System with plastic tag load/
unload,…

Laser Focus World - February 2018

Laser Focus World - February 2018

…"permanent" marking
of stainless medical devices with varying degrees of success. To date, the best
results had been delivered using near-infrared (near-IR) output from fiber lasers
or DPSS nanosecond lasers to produce
black marks. These marks generally exhibit high contrast.

IndustrialUltrafast Whitepaper.pdf

IndustrialUltrafast Whitepaper.pdf


clear and unchanged. The result is a high contrast
mark that does not wear off and which is also smooth
to the touch.
Figure 3:"Black marking" produces a high contrast,
subsurface mark on anodized aluminum.
Black marking offers two important benefits that justify

COHR MaterialsProcessingBrochure 0816revA 3.pdf

COHR MaterialsProcessingBrochure 0816revA 3.pdf


into the metal surface and creates the desired contrast.When
marking plastics, the exact color of the mark is highly dependent
on the additives found in the plastic. If a high quality mark with
high contrast or color change is required, a 1 m, 532 nm or 355 nm
wavelength…

Industrial Laser Solutions - November/December 2015

Industrial Laser Solutions - November/December 2015


marking speed (FIGURE 3). For 1.5mm-high
characters on softgel capsules, the highest speed was <0.024s/character. Mark
legibility was excellent in all cases. For
hardgel capsules, a 2D barcode measuring 1 × 1mm could be reproduced in
<0.2s. In contrast, ink marking

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