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Proceedings Paper

Surface structuring of zirconium-based bulk metallic glasses using ultrashort laser pulses
Author(s): Claus Dold; Martin Kachel; Dirk Wortmann; Victor Wessels; Andreas Dohrn; Arie Bruinink; Frank Pude; Joerg F. Loeffler; Reinhart Poprawe; Konrad Wegener
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Paper Abstract

A technique for structuring the surface of a bulk metallic glass (BMG) via scanning with a beam of laser pulses in the pico- and femtosecond time regime is presented. Specimens were characterized by various techniques to analyze the effects of ultrashort laser pulses on the amorphous matrix. Broadly varying surface structures, with roughness parameters in the range of Ra = 0:066 to 0:329 μm, measured using white light interferometry (WIM) and optical 3D microscopy, were produced. These techniques could be useful for fabricating biomedical implants from BMGs. As proof of principle, a patterned grid, designed for evaluating bone cell response to different surface structures, are produced.

Paper Details

Date Published: 6 March 2014
PDF: 8 pages
Proc. SPIE 8967, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XIX, 89670V (6 March 2014); doi: 10.1117/12.2035383
Show Author Affiliations
Claus Dold, Inspire AG (Switzerland)
Martin Kachel, RWTH Aachen (Germany)
Dirk Wortmann, RWTH Aachen (Germany)
Victor Wessels, ETH Zürich (Switzerland)
Andreas Dohrn, Fraunhofer-Institut für Lasertechnik (Germany)
Arie Bruinink, EMPA (Switzerland)
Frank Pude, Inspire AG (Switzerland)
Joerg F. Loeffler, ETH Zürich (Switzerland)
Reinhart Poprawe, RWTH Aachen (Germany)
Fraunhofer-Institut für Lasertechnik (Germany)
Konrad Wegener, Inspire AG (Switzerland)
ETH Zürich (Switzerland)

Published in SPIE Proceedings Vol. 8967:
Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XIX
Yoshiki Nakata; Xianfan Xu; Stephan Roth; Beat Neuenschwander, Editor(s)

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