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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 process. Laser

Lasers-Enable-Smartphone-Manufacturing.pdf

Lasers-Enable-Smartphone-Manufacturing.pdf

…stress in the glass, resulting in higher edge strength. In one technique, called laser scribing, the output of a CO2 laser is focused onto the surface of the glass, which is being translated to create a continuous cut. Since all glasses strongly absorb the 10.6 µm, all the laser energy is deposited…

IndPhotonics Micromachining Glass Cutting.pdf

IndPhotonics Micromachining Glass Cutting.pdf

…scribe, cut or mark a material. Many traditional applications rely on infrared and visible Qswitched lasers, which have pulse widths in the tens of nanoseconds range, and which remove material via a photothermal interaction. Here, the focused laser beam For Glass and Silicon Wafer Cutting, Shorter…

CO Lasers from Lab to Fab

CO Lasers from Lab to Fab

…of the glass. By blocking heat 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.

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, CO2 lasers can only produce straight-line cuts because the inherently…

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

…residual stress than CO2 cutting, 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. CO2 lasers are typically limited to cutting glass in straight lines…

CO Lasers from Lab to Fab

CO Lasers from Lab to Fab

…in tandem with the CO2 laser. The CO laser not only eliminates the need for a subsequent mechanical breaking step, in addition, the cuts produced are virtually stress-free. The result is a very high bend strength for the glass. Furthermore, CO laser cutting of thin glass is also performed with a…

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

…SmartCleave Filamentation Cutting Glass cutting can also be accomplished through a specific form of internal modification, called filamentation, which again utilizes the very high power densities achieved with focused, ultrafast lasers. In this case, the high laser intensity produces self-focusing…

Laser Focus World - June 2015

Laser Focus World - June 2015

…no cracks, and zero 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, CO2 lasers can only produce straight line cuts because the inherently round output beam must…

Lasers | Photonics Handbook®

Lasers | Photonics Handbook®

…wavelengths 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…

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

glass cutting techniques in a wide range of different applications. In general, lasers are most useful when mechanical means fail to deliver the cut quality or characteristics required, or when older methods become too expensive due to the extensive post processing required. However, laser glass

Laser Focus World - June 2015

Laser Focus World - June 2015

…no cracks, and zero 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, CO2 lasers can only produce straight line cuts because the inherently round output beam must…

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