Affiliation: | 1. Oerlikon Balzers Coating AG, Iramali 18, LI‐9496 Balzers, Principality of Liechtenstein;2. Institute of Microtechnology, University of Neuchatel, Rue Jaquet‐Droz, CH‐2002 Neuchatel, Switzerland;3. Centre Suisse d'Electronique et de Microtechnique CSEM SA, Rue Jaquet‐Droz 1, CH‐2002 Neuchatel, Switzerland;4. Ion Beam Physics, Paul Scherrer Institute and ETH Zurich, Schafmattstrasse 20, CH‐8093 Zürich, Switzerland |