…tin oxide and polymers can be evenly ablated without fractionation of the constituents and with reasonable ablation rate [3]. Excimer lasers are hence indispensable, ultraviolet ablation sources to be employed in creating smart thin films by means of pulsed laser deposition. Acknowledgements The authors…
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…266 nm and 193 nm lasers, each on a single spot. For reliable and reproducible results, the aerosol composition in the ICP must be identical to the sample ablated with the laser. By using various lasers for ablation, it was shown that elemental fractionation occurs when the ablation is dominated by a…
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…diffusion masking, laser processing occurs upstream (`preparatory'), creating selective (dielectric ablated) openings in the SiNx/SiO2 AR/passivation coating for subsequent heavy doping and metallization (screenprinted or electroless-plated). In this case, material removal can extend to ablate several microns…
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…diffusion masking, laser processing occurs upstream (`preparatory'), creating selective (dielectric ablated) openings in the SiNx/SiO2 AR/passivation coating for subsequent heavy doping and metallization (screenprinted or electroless-plated). In this case, material removal can extend to ablate several microns…
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…Fig.2. Ablation rate as a function of sample thickness at three different wavelengths. Lambda Highlights No. 57 5 Laser micro-machining is emerging as a viable manufacturing solution due to the development of industrial grade diode pumped, short pulsed, frequency-multiplied solid-state lasers. Using…
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…we wanted to produce using excimer laser microprocessing. The absorption coefficient and, therefore, the ablation mechanism of different glasses depends strongly on the composition of the glass. In contrast to quartz glass, Pyrex glass absorbs the excimer laser radiation with 248 nm wavelength, but…
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…1999 LAMBDA HIGHLIGHTS N° 55 Microstructures machined in Teflon by ablation using 157 nm radiation of different pulse energy densities (decreasing downwards). Lambda Physik US/Hitachi The Photonic Hammer - 157nm Lasers Excimer laser sources working at 308, 248 and 193nm are well-established tools for…
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…Pulsed Laser Deposition (PLD), Molecular Beam Epitaxy (MBE) and Chemical Vapor Deposition (CVD) deposition techniques, has recently been developed at AMBP Tech. The physics of the technique employs a standard Lambda Physik pulsed excimer laser to ablate a pure metal target. The laserablation creates…
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…Physik, Germany, for the development of a cutting and surface treatment system using a UV laser guided through a water jet. . see article on page 3 The propagation of shock wave and bubble produced by laserablation of toluene liquid in a closed space was observed by a shadowgraph technique. These transient…
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…throughput, large-diameter microvias are drilled using a dual-laser technique, which combines the higher powers and high ablation speeds of CO2 lasers for processing dielectric materials with the ability of UV-DPSS lasers to cleanly ablate Cu. Around 10% of the HDI market uses hybrid systems for such…
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