Publications de Raphaël Fritschi

Above-IC RF MEMS devices for communication applications

Wireless communications are showing an explosive growth in emerging consumer and military applications of radiofrequency (RF), microwave, and millimeter-wave circuits and systems. Applications include wireless personal connectivity (Bluetooth), wireless lo ...

EPFL2007

Modeling of periodic distributed MEMS and application to the design of variable true-time delay lines

Anja Skrivervik, Raphaël Fritschi, Julien Perruisseau-Carrier, Pedro Crespo Valero

This paper presents the modeling and design methods of true-time distributed microelectromechanical systems transmission lines (DMTLs) making use of periodic structure theory. New contributions to the analysis and reduction of the microelectromechanical sy ...

Institute of Electrical and Electronics Engineers2006

Vertical co-integration of AlSi MEMS tunable capacitors and Cu inductors for tunable LC blocks

Raphaël Fritschi, Mihai Adrian Ionescu, Alexander Mehdaoui

2006

AlSi-based Resonant Suspended-Gate MOSFET

Raphaël Fritschi, Mihai Adrian Ionescu, Nicolas Abelé, Montserrat Fernandez-Bolanos Badia

2005

RF MEMS switches for mobile communications : from metal-metal to suspended-gate MOS device architectures

Raphaël Fritschi, Vincent Pott, Philippe Flückiger, Mihai Adrian Ionescu, Cyrille Hibert, Nicolas Abelé

2005

Design of enhanced multi-bit distributed MEMS variable true-time delay lines

Anja Skrivervik, Raphaël Fritschi, Julien Perruisseau-Carrier

2005

Suspended-Gate MOSFET: bringing new MEMS functionality into solid-state MOS transistor

Raphaël Fritschi, Mihai Adrian Ionescu, Katherine Boucart, Nicolas Abelé

2005

Fabrication process and model for a MEMS parallel-plate capacitor above CPW line

Anja Skrivervik, Jean-François Zürcher, Raphaël Fritschi, Philippe Flückiger, Julien Perruisseau-Carrier, Mihai Adrian Ionescu, Cyrille Hibert, Pedro Crespo Valero

2004

High tuning range AlSi RF MEMS capacitors fabricated with sacrificial amorphous silicon surface micromachining

Michel Declercq, Philippe Renaud, Catherine Dehollain, Raphaël Fritschi, Philippe Flückiger, Mihai Adrian Ionescu, Cyrille Hibert, Florin Udrea, Dimitrios Tsamados

This paper reports the fabrication and electrical characterization of high tuning range AlSi RF MEMS capacitors. We present experimental results obtained by a surface micromachining process that uses dry etching of sacrificial amorphous silicon to release ...

2004