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

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

Mihai Adrian Ionescu, Raphaël Fritschi, Alexander Mehdaoui

2006

AlSi-based Resonant Suspended-Gate MOSFET

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

2005

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

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

2005

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

Anja Skrivervik, Julien Perruisseau-Carrier, Raphaël Fritschi

2005

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

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

2005

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

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

2004

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

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

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