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Nico de Rooij

Cette personne a quitté l’EPFL

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Publications associées (85)

Page 4 sur 5

Influence of the Adsorbent Material in the Performances of a Micro Gas Preconcentrator

Nico de Rooij, Danick Briand, El Hadji Malick Camara

This paper presents the evaluation of different adsorbents for the improvement of the performances of a gas preconcentrator by targeting the adsorption of a large range of volatiles organics compounds (VOCs) The objectives of this work are to find the adeq ...

2009

Linear micromirror array for broadband femtosecond pulse shaping in phase and amplitude

Nico de Rooij

We are developing a linear array of micromirrors designed for optical, femtosecond laser pulse shaping. It is a bulkmicromachined device, capable of retarding or diminishing certain laser frequencies in order to perform phase and amplitude modulation withi ...

2009

A micro gas preconcentrator with improved performances for environmental monitoring

Nico de Rooij, Danick Briand, El Hadji Malick Camara

This paper presents the optimization of a micro gas preconcentrator applied to environmental monitoring. Different types of adsorbent materials introduced in silicon microchannels with various designs have been investigated and a special focus has been ded ...

2009

Study of bending reliability and electrical properties of platinum lines on flexible polyimide substrates

Nico de Rooij, Danick Briand, Francisco Molina Lopez, Jérôme Courbat

We have experimentally studied the variation in electrical resistance of flexible platinum lines patterned on polyimide foil when they are subjected to circular bending constraints. The lines were patterned by means of standard photolithography and sputter ...

Elsevier2014

Microfluidic Channels in Porous Silicon Filled with a Carbon Absorbent for GAS Preconcentration

Nico de Rooij, Danick Briand, Jérôme Courbat, El Hadji Malick Camara

IEEE2007

PYROMEMS IGNITER BASED ON A TEMPERATURE GRADIENT: CONCEPT, FABRICATION AND CHARACTERIZATION

Nico de Rooij, Danick Briand, David de Koninck

A pyroMEMS igniter with increased combustion reliability is presented. The igniter consisted of a thin-film platinum Joule heater fabricated on a borosilicate glass substrate. Two different igniter layouts (meandering and annular) and three different binde ...

2009

Micro-fabrication of polymeric devices using hot roller embossing

Nico de Rooij

Single panel processing of polymeric microfluidic devices has been widely researched in recent years. However, suitable high throughput roll-to-roll replication methods are still limited. Taking cue from the conventional hot embossing process and roll-to-r ...

2009

Ultra-low power metal oxide gas sensor on plastic foil

Nico de Rooij, Danick Briand, Jérôme Courbat

We report on the design and fabrication of ultra-low power metal-oxide (MOX) gas sensors on plastic foils envisioning their fabrication at large scale and low cost. A complete sensor solution is presented including its packaging at the foil level and the d ...

2009

Fabrication and characterization of linear diffusers based on concave micro lens arrays

Nico de Rooij, Hans Peter Herzig, Toralf Scharf, Wilfried Noell, Roland Andreas Bitterli

We present a new approach of beam homogenizing elements based on a statistical array of concave cylindrical microlens arrays. Those elements are used to diffuse light in only one direction and can be employed together with fly’s eye condensers to generate ...

Optical Society of America2010

Printed sensors on smart RFID labels for logistics

Nico de Rooij, Danick Briand, Andres Felipe Vasquez Quintero, Francisco Molina Lopez, Giorgio Mattana

This communication presents an overview on our activities on the development of printed sensors on flexible polymeric foil for RFID. We are envisioning the direct printing of sensors on different types of products such as smart labels and RFID tags. This t ...

Ieee2012

The two-dimensional array of 2048 tilting micromirrors for astronomical spectroscopy

Nico de Rooij, Wilfried Noell, Michael David Canonica

In multi-object spectrometers, field selectors, which are located in the focal plane of the telescopes, are required for the selection of astronomical objects, such as stars or faint galaxies. We present a two-dimensional micromirror array as a field selec ...

Institute of Physics2013

Smart RFID Label with a Printed Multisensor Platform for Environmental Monitoring

Nico de Rooij, Danick Briand, Francisco Molina Lopez, Andres Felipe Vasquez Quintero

2016

Printed capacitive sensing device

Nico de Rooij, Danick Briand

Capacitive-based sensing device comprising an organic substrate, a sensing layer and two printed/additively deposited planar electrodes, said sensing layer being separated from the substrate by at least one separating layer. ...

2014

Design considerations to enhance the performances of thin circular piezoelectric energy harvester diaphragms in harsh liquid environments

Nico de Rooij

Thin circular piezoelectric energy harvester diaphragms undergoing large deflection in a harsh liquid environment are investigated in this paper. A material set combining AlN as transducer, SiC as electronics, Mo as wiring and Si as holder is considered. A ...

Iop Publishing Ltd2013

Temperature, humidity and gas sensors integrated on plastic foil for low power applications

Nico de Rooij, Danick Briand, Jérôme Courbat

Elsevier2009

Simultaneous Chemical Recording and Stimulation in the Brain Using an Assembly of Biosensor Silicon Microprobes and SU-8 Microinjectors

Nico de Rooij, Peter Van der Wal

In this contribution we present multi-channel microinjector arrays fabricated by a reliable three-layer SU-8 process and assembled with glutamate biosensor microprobes'. It enables local delivery of specific liquids into brain tissue for the stimulation or ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2009

Batch fabrication of gold-gold nanogaps by E-beam lithography and electrochemical deposition

Nico de Rooij, Terunobu Akiyama, Sebastian Gautsch, Yexian Wu

We report on the successful development of a well-controlled two-step batch nano-fabrication process to achieve nanometer-size gaps at the wafer scale. The technique is based on an optimized electron-beam lithography process, which enables the fabrication ...

Institute of Physics2013

Nico de Rooij

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Influence of the Adsorbent Material in the Performances of a Micro Gas Preconcentrator

Linear micromirror array for broadband femtosecond pulse shaping in phase and amplitude

A micro gas preconcentrator with improved performances for environmental monitoring

Study of bending reliability and electrical properties of platinum lines on flexible polyimide substrates

Microfluidic Channels in Porous Silicon Filled with a Carbon Absorbent for GAS Preconcentration

PYROMEMS IGNITER BASED ON A TEMPERATURE GRADIENT: CONCEPT, FABRICATION AND CHARACTERIZATION

Micro-fabrication of polymeric devices using hot roller embossing

Ultra-low power metal oxide gas sensor on plastic foil

Fabrication and characterization of linear diffusers based on concave micro lens arrays

Printed sensors on smart RFID labels for logistics

The two-dimensional array of 2048 tilting micromirrors for astronomical spectroscopy

Smart RFID Label with a Printed Multisensor Platform for Environmental Monitoring

Printed capacitive sensing device

Design considerations to enhance the performances of thin circular piezoelectric energy harvester diaphragms in harsh liquid environments

Temperature, humidity and gas sensors integrated on plastic foil for low power applications

Simultaneous Chemical Recording and Stimulation in the Brain Using an Assembly of Biosensor Silicon Microprobes and SU-8 Microinjectors

Batch fabrication of gold-gold nanogaps by E-beam lithography and electrochemical deposition

AFM measurements of Martian soil particles

6Dynamic MEMS-based linear (1D) diffusers for laser beam homogenizing and beam shaping

Tunable MEMS-based Optical Linear(1D)Diffusers for Dynamic Laser Beam Shaping and Homogenizing