Peter Ryser

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Publications associées (68)

Low temperature co-fired ceramic (LTCC) technology: general processing aspects and fabrication of 3-D structures for micro-fluidic devices

Thomas Maeder, Peter Ryser, Hansu Birol

LTCC technology is based on sintering of multi-layered thick-film sheets (50-250 µm) or so-called green tapes, which are screen-printed with thick-film pastes such as conductors, resistors, etc. The terms low temperature and co-fired originate from the rel ...

2005

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

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

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

Integrated LTCC micro-fluidic modules - an SMT flow sensor

Thomas Maeder, Peter Ryser, Yannick Sébastien Fournier, Raphael Willigens

This paper presents a thermal flow sensor based on the calorimetric principle realized by using low temperature co-fired ceramic (LTCC) technology, where the tapes and flow channel have been structured by laser machining. A standard configuration of a calo ...

2005

Tunneling-percolation origin of nonuniversality: Theory and experiments

Thomas Maeder, Peter Ryser, Claudio Grimaldi, Sonia Vionnet Menot

A vast class of disordered conducting-insulating compounds close to the percolation threshold is characterized by nonuniversal values of transport critical exponent t, in disagreement with the standard theory of percolation which predicts t ...

2005

Investigation of Interactions Between Co-fired LTCC Components

Thomas Maeder, Peter Ryser, Hansu Birol, Caroline Jacq

In spite of many advantages it offers for micro-electronic packaging, the low temperature co-fired ceramic (LTCC) technology has yet certain issues to be solved. Physical and chemical reactions, for instance, within and between the passive electronic compo ...

2005

Study of electrical properties of piezoresistive pastes and determination of the electrical transport

Thomas Maeder, Peter Ryser, Claudio Grimaldi, Sonia Vionnet Menot

A vast class of disordered conducting-insulating compounds close to the percolation threshold is characterized by nonuniversal values of transport critical exponents. The lack of universality implies that critical indexes may depend on material properties ...

2005

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

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

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

Low-temperature thick-film dielectrics and resistors for metal substrates

Thomas Maeder, Peter Ryser, Sonia Vionnet Menot, Caroline Jacq

In this work, a set of low-temperature thick-film dielectrics consisting of two high-lead low-temperature glasses, stabilised by various amounts of alumina filler, is characterised on alumina and aluminium metal, as a function of firing temperature. Corres ...

2005

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