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Investigation of a system for micro-alignment and assembly manufacturing with respect to laser fine weldability

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posted on 27.06.2018, 13:58 by Andreas Buenting
Laser beam welding processes, with their inherent potential of controlling the energy input, give rise to new applications with respect to the manufacturing of optical active and compact laser diode beam assemblies. In electronics and fine mechanics, components require increasingly high strength joining technologies to replace the conventional gluing or soldering process. Alternative joining methods for commercial laser diode beam assemblies often reach their limits in terms of product quality and reliability. The objectives of this thesis, examined by the author, are as follows: The first objective is the development and validation of a semi-automatic laser fine welding station (pulsed Nd:YAG-lasers) with an automatic micro-alignment solution for optomechnical components. The second objective in the course of this work is the construction and manufacturing of new laser diode beam assembly (LDBA), taking into account the laser weldability of the components. This includes the development of a reliable laser fine welding procedure supported by a FE-analysis of the clamped components during welding. [Continues.]



  • Mechanical, Electrical and Manufacturing Engineering


© Andreas Buenting

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This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at:

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A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.



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