Affiliation: | (1) Federal Institute for Materials Research and Testing (BAM), D-12200 Berlin, Germany Tel.: +49 30 6392 5861 Fax: +49 30 6392 5577 e-mail: werner.haesselbarth@bam.de, DE;(2) Swiss Laboratories for Materials Testing and Research (EMPA), Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland Tel.: +41 71 274 7446 Fax: +41 71 274 7788 e-mail: metrology@empa.ch, CH |