1. C. Kallmayer, D. Lin, J. Kloser, H. Oppermann, E. Zakel, H. Reichl, in 17th International Electronics Manufacturing Symposium, IEMT’ 95 (Austin, Texas, 1995), p. 20
2. H. Oppermann, M. Hutter, M. Klein, G. Engelmann, M. Töpper, J. Wolf, Mater. Res. Soc. Symp. Proc. 863, B10.1.1 (2005)
3. H. Oppermann, G. Engelmann, E. Zahel, H. Reichl, in Proceedings of the Micro-System Technolgies’94 Conference (VDE, Berlin, 1994), p. 509
4. W. Pittroff, T. Reiche, J. Barnikow, A. Klein, U. Merkel, K. Vogel, J. Würfl, Appl. Phys. Lett. 67, 2367 (1995)
5. M. Hutter, H. Oppermann, G. Engelmann, J. Wolf, O. Ehrmann, R. Aschenbrenner, H. Reichl, in Proceedings of the 52nd Electronic Components and Technology Conference (San Diego, CA, 2002), p. 282