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Marking Contrast

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

COHR PR 1448 UVUV Laser Sub-System Enables High Throughput Plastics Marking.pdf

COHR PR 1448 UVUV Laser Sub-System Enables High Throughput Plastics Marking.pdf

…flexibility. This allows straightforward implementation of complex tasks such as 3D marking on curved surfaces, on-the-fly marking, engraving and serialization. The ability to rapidly produce a high-contrast mark on a wide variety of clear and colored plastics makes the PowerLine E 8 QT an…

COHR BlackMarkingBrochure 0219 3.pdf

COHR BlackMarkingBrochure 0219 3.pdf

Black Marking with
Ultrashort Pulse Lasers
The Coherent optimized picosecond laser sub-system provides a turnkey solution for permanent unique
device identifier (UDI) marking of stainless steel devices. It delivers a contamination-free, sub-surface mark
with very high contrast

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…

COHR AppHighlight BlackMarkingStainlessMedicalDevices 0919 3

COHR AppHighlight BlackMarkingStainlessMedicalDevices 0919 3

…be used to mark other materials as well, e.g. titanium, anodized aluminum, and even plastic material like PEEK/PPSU. Benefit With black marking using PowerLine Rapid NX, medical devices and implants made of stainless steel can be permanently and economically marked with high contrast. The process…

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

HighValueMarkingApps.pdf

HighValueMarkingApps.pdf

…and unchanged. The result is a high contrast mark that does not wear off and which is smooth to the touch. This mark offers two significant advantages that justify its cost. First, the mark is extremely difficult to counterfeit or alter. Second, this mark has a clear and pleasing appearance and…

Coherent LaserCutters 1.pdf

Coherent LaserCutters 1.pdf

…much as two times that for nitrogen) and produces a darkened cut edge. This can be a useful feature for stainless steel marking applications, since it produces a good contrast mark. The speed, flexibility, ease of use, and low cost of ownership of Coherent's compact, reliable laser cutters can open…