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Proceedings Paper

Process optimization of laser-based solderjet bumping for the mounting of optical components
Author(s): Thomas Burkhardt; Marcel Hornaff; Andreas Kamm; Diana Burkhardt; Erik Beckert; Ramona Eberhardt; Andreas Tünnermann
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Paper Abstract

Advanced optical systems of telescopes and scientific instrumentation require high accuracy mounting and joining of components. Applications for deep UV, under high energetic radiation, for vacuum operation, or assemblies subjected to environmental loads (e.g. humidity and temperature) require a replacement of organic adhesives or optical cement by a more robust bonding agent. Soldering allows the bonding of different materials with an inorganic filler material. We present the optimization of the laser-based Solderjet Bumping for the mounting of optical components and the parameters of the bonding process for fused silica and LAK9G15 (radiation resistant glass) with thermally matched metal mounts. The investigation covers the experimental determination and optimization of solder wetting to the respective base materials and the bond strengths achieved.

Paper Details

Date Published: 22 July 2016
PDF: 13 pages
Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99123X (22 July 2016); doi: 10.1117/12.2232486
Show Author Affiliations
Thomas Burkhardt, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Marcel Hornaff, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Kamm, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Diana Burkhardt, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Erik Beckert, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Ramona Eberhardt, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Tünnermann, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 9912:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
Ramón Navarro; James H. Burge, Editor(s)

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