Volume 13, Issue 3 pp. 34-36
Beam Control
Free Access

Incline the Beam

A new 5-axis technology enables straight walls and high aspect ratios

Patricia Weber

Corresponding Author

Patricia Weber

Scanlab, Siemensstr. 2a, 82178 Puchheim, Tel. +49 (89) 800 746-0, Fax +49 (89) 800 746-199

Scanlab, Siemensstr. 2a, 82178 Puchheim, Tel. +49 (89) 800 746-0, Fax +49 (89) 800 746-199, http://www.scanlab.deSearch for more papers by this author
David Diego-VallejoHolger Schlüter
First published: 12 May 2016

Abstract

Modern ultra-short-pulse (USP) laser systems are fostering new micro-machining technologies. Hole drilling with high aspect ratios has become a particularly important application in several industries. But drilling straight walls with high aspect ratios is not feasible if the laser beam impacts specimens at a normal incidence angle. The beam caustic affects hole corners and limits the maximum aspect ratio — that's why new solutions are needed. A novel 5-axis technology allows beam inclination and enables straight walls, as well as negatively tapered holes.

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