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« ELECTROACOUSTIC AND ULTRASOUND TRANSDUCERS: FROM MACRO- TO MICRO-SYSTEMS ».

Author: L. Rufer
Advisor: L. Rufer
President of jury: B. Courtois
thesis reviewer(s): Ph. Blanc-Benon, A. Foucaran,
HDR Université Joseph-Fourier - Grenoble I
Speciality: Micro et Nano Electronique
Defense: November 16 2007
ISBN: 978-2-84813-110-8

Abstract

This report was written in order to obtain the diploma ‘Habilitation à Diriger des Recherches (HDR)’ of Joseph Fourier University, Grenoble. It gives an overview of research related to electroacoustic and ultrasound transducers, the Curiculum Vitae, and publication record of the candidate. The research was successively accomplished at Czech Technical University, Prague until 1993, at Ecole Centrale, Lyon from 1993 to 1994 and at Joseph Fourier University, Grenoble since 1994. The most recent results were obtained at the Group RMS of the TIMA Laboratory. In this report, we are giving the overview of the scope of the electroacoustic and ultrasonic transducers and we report on the most important features of the progress in this field. We are giving briefly the state of the art of piezoelectric, capacitive, piezoresistive, and electrothermal transducers and we are pointing out implementations in the field of acoustics and ultrasonics. We are presenting the contribution of new technologies to the progress in the field as well as our work on these types of transducers. We address some methods of test developed originally for acoustic applications and show their applicability in the field of the test of analog and mixed systems. Acoustic tr ansducers in different applications and the contribution of new technologies to their development are the guidelines of this work.

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