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Glass Ablation

LEAP Excimer Lasers

LEAP Excimer Lasers

…Nozzle Drilling Roll-To-Roll Circuit Patterning Diamond Like Carbon Coating Pulsed Laser Deposition Ablation-Material Removal Ceramic Polymer Glass Semiconductor Plastic Metal Composite --> Features & Benefits LEAP Features & Benefits Stabilized Laser Energy of up to 1 Joule in UV for…

COHR WP Ablation of BioPolymers 193nm.pdf

COHR WP Ablation of BioPolymers 193nm.pdf

…mJ/cm2), the ablated surface shows foaming. This has been
reported for laser ablation of other biopolymers (e.g., collagen) and is suspected to be further evidence
here of sub-surface photoacoustic effects. Turning to possible photonic applications, several different
ablation patterns…

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

Coherent-new-lasers-improve-glass-cutting-methods wp.pdf

…Traditional laser cutting methods rely on a pulsed laser to ablate material, that is, heat it up until
it is vaporized. Pulsed lasers are used because they deliver the high peak powers necessary to
accomplish this ablation.
With glass, there is a direct correlation between pulse width…

OLED Flexible Displays OPE2017 .pdf

OLED Flexible Displays OPE2017 .pdf

…and for laser lift-off to separate flexible display films from glass substrates. Other important applications are the use of ultra-short pulse (USP) lasers for circuit repair, both CO2 and USP lasers for film and foil ablation and glass cutting, and a variety of marking applications employing both…

07(IK14-10)p.53-57.fm

07(IK14-10)p.53-57.fm

…of glass. They also clearly
show that the ablation rates for borosilicate glasses are
much higher than for alkali-free glasses and vary significantly between specific glass types, with an average for the
fastest type of 0.28 µm per pulse. In contrast, the alkali-free
glass

Information Display Magazine September/October 2017, Vol. 33, No. 5 issue

Information Display Magazine September/October 2017, Vol. 33, No. 5 issue

…Laser Ablation
Laser ablation relies on a completely different
mechanism to process glass than do CO2
and
CO lasers, which utilize thermal shock to create a crack. Ablation is the actual removal of
material, with high precision, to create the
scribe. Ablation occurs…

Article

Article

…measured
ablation rates curve show the expected shape, with an optimum fluence at about 7.4 times the threshold
fluence. We also measured the ablation depth per pulse at the optimum fluences (which at that fluence is
equal to 2) by measuring the depth of the ablated cavities and…

COHR AILU CO Lasers 08-18.pdf

COHR AILU CO Lasers 08-18.pdf

…Coherent's SmartCleave [1]. Filamentation relies on an ultra-short pulse laser to create a very high intensity, self-focusing beam within the glass. This ablates material along a thin (~1 µm) line, or filament, through the entire thickness of the substrate. These laser-generated filaments are…

Industrial Laser Solutions - September/October 2015

Industrial Laser Solutions - September/October 2015

…less effective and more costly as circuit dimensions shrink, so excimer laser ablation offers an attractive alternative in many cases. This article looks at the use of excimer laser ablation for drilling glass interposers, and reviews how excimers have been successfully employed in a turnkey…

x lase A4 4s 02 2013 lr 1 .pdf

x lase A4 4s 02 2013 lr 1 .pdf

INDUSTRIAL PICOSECOND FIBER LASERS X-LASE SERIES LOW-K GROOVING AI ON PET ABLATION SAPPHIRE SCRIBING GLASS-GLASSWELDING GLASS-METAL-GLASSWELDING Rofin Group company

LLO WavelengthAdvantage.pdf

LLO WavelengthAdvantage.pdf

…table below. Thin silicon device wafers separation LLO of thin silicon device wafers from their glass carriers is done by ablating the polymer layer through the glass wafer. After laser lift-off, the glass wafer can be easily removed from the silicon wafer, as shown in the figure above. Both the…

Excimer LLO 2014.pdf

Excimer LLO 2014.pdf

…Close to this threshold value, lift-off delamination was incomplete and uncontrollable. For the proposed
PI glass system, optimum lift-off conditions slightly above
the ablation threshold were achieved at a fluence value
of 235 mJ/cm2. Increasing the fluence to a value beyond
250…