30y anniversary of MEMS semiconductors

Piezoelectric Silicon Sensors & Actuators     HighTech experience that counts This project list contains a selection of projects that demonstrate our profound, long-term experience in product development and management of more complex technology projects in high-tech industries, namely in the areas of: Sensors & Actuators, MEMS & Semiconductor Manufacturing, including the semiconductor industry, as…

Resonant Microsensors

Invited paper for “Sensors and Materials”   Special Issue : Resonant Microsensors   Paper Analytical and finite element modeling of resonant silicon microsensors Authors: Thomas Fabula and Stephanus Büttgenbach Year of publication: 1997 Volume: 9 Number: 8 Pagination: 501-519   Keywords beam-on-diaphragm, pressure sensor, electromechanical coupling factor, finite-element modeling, modal analysis, mode coupling, piezoelectric thin films,…

Publications

Scientific & technical publications in journals T. Brenner, S. Büttgenbach, T. Fabula, W. Rupprecht: „Real-time data acquisition system for laser and radiofrequency spectroscopy“, Journal of Physics E: Scientific Instruments, 21 (1988) 1150-1153 Thomas Fabula: „Finite-Elemente-Modellierung in der Mikromechanik“, Mikroelektronik Bd. 6 (1992) Heft 1, Fachbeilage Mikroperipherik, S.II Th. Fabula, B. Schmidt: „Modellierung mikromechanischer Sensoren mit…

FEM-Simulation in Feinwerk- und Mikrotechnik

Fachtagung: Simulation mit der Finite-Element-Methode in Feinwerk- und Mikrotechnik FH München   Optimierung resonanter mikromechanischer Sensoren für mechanische Größen     Abstract Der Vortrag geht auf die numerische und experimentelle Untersuchung des statischen und dynamischen Verhaltens resonanter Mikrosensoren ein. Den Schwerpunkt bildet die Simulation frequenzanaloger Druck- und Kraftsensoren auf der Basis resonanter, mikromechanischer Silizium-Bimorphstrukturen, sowie…

Monolithic BOD-structure

Monolithic bridge-on-diaphragm structure for pressure sensor applications     Authors H.-J. Wagner, A. Schumacher, M. Alavi, T. Fabula, B. Schmidt Journal Microsystem Technologies, vol. 1, no. 4, pp. 191-195, 1995 Microsystem Technologies – Volume 1, Issue 4 , pp 191-195 Abstract Monolithically clamped bridge-on-diaphragm (BOD) structures for pressure sensor applications were fabricated by means of Nd: YAG-laser micromachining and anisotropic…

PhD-Thesis

Dissertation in Physik   ausgeführt am Institut für Mikro- und Informationstechnik der Hahn-Schickard-Gesellschaft e.V. zum Thema: Dynamisches Verhalten mikromechanischer Strukturen – Finite Elemente Simulation zur Entwurfsunterstützung und deren meßtechnische Verifikation   Zusammenfassung Im Rahmen dieser Arbeit wurde mit numerischen und experimentellen Methoden das statische und dynamische Verhalten mikromechanischer Strukturen untersucht. Da analytische Verfahren in der…

UETP-MEMS Course – Resonant microsensors

MEMS and resonant sensors   UETP-MEMS Course: Resonant microsensors Thomas Fabula, Hans-Joachim Wagner, Institute of Microstructure and Information Technology (IMIT), Villingen-Schwenningen, Germany Albert Prak, MESA Research Institute, University of Twente, Enschede, the Netherlands Introduction to MEMS and resonant sensors 1.1 Micro-electro-mechanical-systems The capability of microelectronics has been increased about more than thirty years concerning geometrical size,…

COMETT-Course Resonant Microsensors

UETP-MEMS Course Proceedings, FSRM Neuchatel, Switzerland Resonant Microsensors University Enterprise Training Partnership project   Objectives Resonant structures are one of the mostly used techniques in sensor applications. High accuracy and cost effective signal processing are the key features of resonant sensors. By the end of the course, the participants will have a greater understanding of…