12Th Workshop of the European-Microbeam-Analysis-Society (Emas) on Modern Developments and Applications in Microbeam Analysis, Date: MAY 15-19, 2011, Location: Angers, FRANCE, Patrocinadores: European Microbeam Anal Soc (EMAS), Ametek GmbH, Edax Business Unit, Bruker Nano GmbH, Cameca, Carl Zeiss NTS, Commissariat Energie Atomique, European Inst Transuranium Elements, Elexience, FEI Co, Fondis Elect SA, Gatan, GN-MEBA, Jeol SAS, Oreal, Direct Gen Rech Innovat, NanoMEGAS sprl, Oxford Instruments SAS, Probe Software, Inc, SAMx, Target-Messtechnik, Thermo Fisher Sci