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laser glass cutting

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

laser cut glass can typically
withstand two to three times as much force as mechanically cut glass.
Figure 1. Comparison of mechanically cut (left) and laser cut (right) glass. The mechanically cut glass shows
significant residual stress, and substantial debris from the cutting

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf

…mechanical glass cutting can lead to microcracks and debris.
Laser glass cutting, based on CO
2
and
nanosecond solid-state lasers, has been
in use for some time in the display industry. Both of these lasers produce dramatically better results than mechanical cutting, but can…

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf


require that any cutting method deliver 24/7 reliability, with high throughput and a yield above
99.9%. Laser cutting has emerged as the only method for flexible OLED trimming that can meet
all these requirements.
To implement laser cutting, the laser beam is directed through…

Whitepaper - USP Lasers Deliver Cleaner Cuts for Semiconductor Packaging.pdf

Whitepaper - USP Lasers Deliver Cleaner Cuts for Semiconductor Packaging.pdf

…processing strategy. Before this work, despite optimization of the laser parameters, cutting
produced an asymmetrical HAZ, some burns and some debris.
For fingerprint sensor cutting, the best results were an essentially perfect cut, which produced a
sufficiently small amount of debris…

Laser Focus World - June 2015

Laser Focus World - June 2015


residual stress in the glass. The result is a
better quality cut, stronger glass, and a
wider cut process window.
The CO laser also enables radial (freeform) glass cutting; in contrast, CO
2
lasers can only produce straight line cuts
because the inherently round…

Industrial Laser Solutions - May/June 2015

Industrial Laser Solutions - May/June 2015

…residual stress in the glass. The result is a better-quality cut, stronger glass, and a wider cut process window (FIGURE). Another important advantage is that the CO laser enables radial (free-form) glass cutting. In contrast, CO 2 lasers can only produce straight-line cuts because the inherently…

CO Lasers from Lab to Fab

CO Lasers from Lab to Fab

…L = 1110.17 µm
L = 269.88 µm
Fig. 2 A 270 µm deep cut (25 %) in a 1.1 mm thick glass substrate shows virtually no stress
or microcracking.
Fig. 3 CO laser cutting of 50 µm thick glass produces no
cracks or defects as compared with traditional mechanical
cutting.

USP Lasers Semiconductor Packaging Whitepaper.pdf

USP Lasers Semiconductor Packaging Whitepaper.pdf

…processing strategy. Before this work, despite optimization of the laser parameters, cutting
produced an asymmetrical HAZ, some burns and some debris.
For fingerprint sensor cutting, the best results were an essentially perfect cut, which produced a
sufficiently small amount of debris…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…that can cover 200 nm to 20 µm.
Common laser types
For many years, the most common CW laser was the helium neon laser, or HeNe. These low-power lasers (a few milliwatts) use an electric discharge to create
a low-pressure plasma in a glass tube; nearly all emit in the red at 633 nm. In…

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

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

…camera lenses. Laser cutting is the only clean
and contact-free method to produce these
complex curved features. Figure 1 compares
mechanically cut and laser-cut glass.
CO2
and CO Lasers
Carbon dioxide (CO2
) lasers have been used
in glass cutting for many…

Industrial Photonics - October 2014

Industrial Photonics - October 2014

…chemically strengthened glass, which is even
more difficult to cut mechanically, especially at economically viable speeds.
Laser glass cutting has been in use for some time in
the display industry. This is primarily accomplished with
CO
2
lasers; they rapidly heat the…

Photonics Spectra - September 2015

Photonics Spectra - September 2015


stress in the glass. The results are a better quality scribe yielding a stronger cut
piece, together with a wider process window, for the manufacturer.
The other exciting aspect of CO lasers
in glass cutting is their ability to support
the cutting of curves. This is of…

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