This book on mechanical microsensors is based on a course organized by the Swiss Foundation for Research in Microtechnology (FSRM) in Neuchatel, Swit­ zerland, and developed and taught by the authors. Support by FSRM is herewith gratefully acknowledged. This book attempts to serve two purposes. First it gives an overview on me­ chanical microsensors (sensors for pressure, force, acceleration, angular rate and fluid flow, realized by silicon micromachining). Second, it serves as a textbook for engineers to give them a comprehensive introduction on the basic design issues of these sensors. Engineers active in sensor design are usually educated either in electrical engineering or mechanical engineering. These classical educa­ tional pro grams do not prepare the engineer for the challenging task of sensor design since sensors are instruments typically bridging the disciplines: one needs a rather deep understanding of both mechanics and electronics. Accordingly, the book contains discussion of the basic engineering sciences relevant to mechanical sensors, hopefully in a way that it is accessible for all colours of engineers. Engi­ rd th neering students in their 3 or 4 year should have enough knowledge to be able to follow the arguments presented in this book. In this sense, this book should be useful as textbook for students in courses on mechanical microsensors (as is CUf­ rently being done at the University ofTwente).

For 50 years conventional electronics has ignored the electron spin. The manipulation and utilisation of the electron spin heralds an exciting and rapidly changing era in electronics, combining the disciplines of magnetism and traditional electronics. The first generation of "spintronic" devices (such as read heads based on giant magnetoresistance or non-volatile magnetic random access memories) have already gained dominant positions in the market place. This volume, the first of its kind on spin electronics describes all the essential topics for new researchers entering the field. It covers magnetism and semiconductor basics, micromagnetism, experimental techniques, materials science, device fabrication and new developments in spin-dependent processes. At the end of most chapters are a number of exercises and worked problems to aid the reader in understanding this fascinating new field.

Ce livre marque un événement tout à fait exceptionnel. Pour la première fois de son histoire, pendant plusieurs mois, la DGSE a ouvert ses portes à Jean-Christophe Notin et son équipe. Une vingtaine d’entretiens ont pu être menés, à tous les échelons de la hiérarchie, du directeur général aux experts de la contre-prolifération et du contre-terrorisme.

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La Ligue des communistes, pour laquelle Marx et Engels écrivirent le Manifeste du parti communiste fin 1847, regroupait des ouvriers et des intellectuels révolutionnaires allemands. La Ligue inscrivait son action dans le cadre de l'internationalisme, comme le Manifeste le souligne dans le vibrant «Â Prolétaires de tous les pays, unissez-vous ! » qui le conclut.