Peter Ryser

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Publications associées (68)

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Driver alertness sensing

Peter Ryser, Jacques Jacot, Frédéric Holzmann

2006

High-Voltage Sensitivity Studies of Model Thick-Film Resistors

Thomas Maeder, Peter Ryser, Claudio Grimaldi, Caroline Marguerite Jacq, Niklaus Johner

In this work we seek to better understand the mechanisms governing pulse voltage trimming in disordered conductor-insulator composites. Therefore, we investigate the effect of the composition of thick-film resistors (TFRs) on sensitivity to high voltage pu ...

2006

Design and characterisation of low-cost thick-film piezoresistive force sensors for the 100 mN to 100 N range

Sven Nico Stauss, Thomas Maeder, Peter Ryser, Giancarlo Corradini

Two simple low-cost thick-film force sensor designs are optimised, characterised and tested in this work, combining calculations of sensor element and joint stresses, joint strength characterisation and measurement of complete sensors. All sensors are base ...

2005

Milinewton force sensor based on low temperature co-fired ceramic (LTCC) technology

Thomas Maeder, Peter Ryser, Caroline Marguerite Jacq, Hansu Birol, Giancarlo Corradini

Fabrication of a millinewton force sensor, which is based on LTCC technology as an alternative to the widely used alumina (Al2O3) is described. The new sensor, integrated with piezoresistor thick-film, has shown an increase in the sensitivity by two times ...

2005

Automated Work Yard by Use of Decentralized Method

Peter Ryser, Jacques Jacot, Frédéric Holzmann

2006

Sensors and packages based on LTCC and thick-film technology for severe conditions

Thomas Maeder, Peter Ryser, Caroline Marguerite Jacq

Reliable operation in harsh environments such as high temperatures, high pressures, aggressive media and space, poses special requirements for sensors and packages, which usually cannot be met using polymer-based technologies. Ceramic technologies, especia ...

2009

Piezoresistivity and tunneling-percolation transport in apparently nonuniversal systems

Peter Ryser, Claudio Grimaldi, Niklaus Johner

We formulate a generalized tunneling-percolation model that describes the electrical properties of conductor-insulator cellular disordered systems. This model predicts and explains the experimentally observed universal and nonuniversal behaviors of such pr ...

2007

Application of graphite-based sacrificial layers for fabrication of LTCC (low temperature co-fired ceramic) membranes and micro-channels

Thomas Maeder, Peter Ryser, Hansu Birol

Fabrication of sensors and micro-fluidic structures from low temperature co- fired ceramic (LTCC) sheets is a growing interest in the micro-packaging community. Such devices usually have inner cavities, whose production is quite complicated. The most elega ...

Institute of Physics2007