Titlebook: Laser Processing and Chemistry; Dieter B?uerle Book 19962nd edition Springer-Verlag Berlin Heidelberg 1996 Materials processing.coating.la

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Introductionties of laser light. The high spatial coherence achieved with lasers permits extreme focusing and directional irradiation at high energy densities. The monochromaticity of laser light, together with its tenability, opens up the possibility of highly selective narrow-band excitation. Controlled pulse

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General Solutions of the Heat Equation over a wider area (Fig. 6.1.1). For . irradiation, the absorbed laser light generates a local temperature rise, Δ.(., .), which can be calculated by solving the . heat equation (2.2.1). For . (uniform) irradiation, the temperature is uniform within planes . = const., and the temperature rise, Δ.(.,

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Non-Uniform Media with respect to those estimated for plane uniform (homogeneous) substrates. . changes in physical properties may be related to temperature dependences of material parameters or to slow changes in the material structure or composition. . changes in physical properties occur in some types of composit

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Modelling of Pulsed-Laser Ablationls try to describe ablation by a single dominating mechanism. For this reason, each of these models permits one to analyze experimental results only for a particular material and within a narrow range of parameters. A more general description requires simultaneous consideration of the different inte

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Etching of Metals and Insulatorschemical etching. Symbolically, etching can often be described by the reversal of a corresponding deposition reaction, as already indicated in Fig. 1.2.1. Consider the deposition of Si according to SiC1. ? Si(↓)+2Cl.. If the chemical equilibrium is shifted to the other side, the reaction describes t

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