Recherche

Afficher tous les résultats pour

Accueil

Personne

Nico de Rooij

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (86)

Two-dimensional cantilever array with varying spring constants and tip radii for life-science applications

Nico de Rooij, Peter Vettiger, Frédéric Loizeau, Terunobu Akiyama, Sebastian Gautsch, André Meister

A fabrication process for realising two-dimensional cantilever arrays for parallel force spectroscopy of biological samples is presented. The parallel optical atomic force microscopy readout system has been developed and presented elsewhere. The arrays are ...

2012

Microfabricated rubidium vapour cell with a thick glass core for small-scale atomic clock applications

Nico de Rooij, Yves Pétremand, Danick Briand

This paper presents a new fabrication method to manufacture alkali reference cells having dimensions larger than standard micromachined cells and smaller than glass-blown ones, for use in compact atomic devices such as vapour-cell atomic clocks or magnetom ...

Institute of Physics2012

Energy scavenging from a rotating gear using an impact type piezoelectric mems scavenger

Nico de Rooij, Don Isarakorn, Danick Briand, Pattanaphong Janphuang

A device for energy harvesting from an impact by using a piezoelectric MEMS harvester comprising at least a gear (1) driven by an inertial mass system and a piezoelectric transducer (2) located over the gear in order to keep the system as compact as possib ...

2012

Membrane-Type Surface Stress Sensor with Piezoresistive Readout

Nico de Rooij, Peter Vettiger, Frédéric Loizeau, Terunobu Akiyama, Sebastian Gautsch

We present the fabrication and characterization of a membrane-type surface stress sensor (MSS), arranged in arrays for molecular detection in gaseous phase. Made out of SOI substrate, a round membrane with a diameter of 500 mu m and a thickness of 2.5 mu m ...

Elsevier Science Bv2012

Large micromirror array for generating programmable slit masks for Multi-Object Spectroscopy

Nico de Rooij, Michael David Canonica, Wilfried Noell

Multi-object spectroscopy (MOS) is a powerful tool for space and ground-based telescopes for the study of the formation and evolution of galaxies. This technique requires a programmable slit mask for astronomical object selection. We are engaged in a Europ ...

Spie-Int Soc Optical Engineering2012

Printed sensors on smart RFID labels for logistics

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

A micro gas preconcentrator with improved performance for pollution monitoring and explosives detection

Nico de Rooij, Danick Briand, El Hadji Malick Camara

This paper presents the optimization of a micro gas preconcentrator based on a micro-channel in porous and non-porous silicon filled with an adequate adsorbent. This micro gas preconcentrator is both applicable in the fields of atmospheric pollution monito ...

Elsevier2011

Spectral phase, amplitude, and spatial modulation from ultraviolet to infrared with a reflective MEMS pulse shaper

Nico de Rooij, Jean-Pierre Wolf, Fabio Jutzi, Wilfried Noell, Luigi Bonacina, Sébastien Lani, Jérôme Extermann

We describe the performance of a reflective pulse-shaper based on a Micro-ElectroMechanical System (MEMS) linear mirror array. It represents a substantial upgrade of a preceding release [Opt. Lett. 35, 3102 (2010)] as it allows simultaneous piston and tilt ...

Optical Society of America2011

Remote Nanoimaging on Mars - Results of the Atomic Force Microscope Onboard NASA's Phoenix Mission

Nico de Rooij, Sebastian Gautsch

Cambridge, Cambridge University Press2011

The measurement of biomechanical properties of porcine articular cartilage using atomic force microscopy

Nico de Rooij, Terunobu Akiyama

We have recently demonstrated that indentation-type atomic force microscopy (IT-AFM) is capable of detecting early onset osteoarthritis (OA) (Stolz, 2009). This study was based on biopsies, using a desk-top commercial atomic force microscope (AFM). However ...

Japan Society of Histological Documentation / International Society of Histology and Cytology2011

Design, simulation, fabrication, packaging, and characterization of a MEMS-based mirror array for femtosecond pulse-shaping in phase and amplitude

Nico de Rooij, Jean-Pierre Wolf, Fabio Jutzi, Wilfried Noell, Luigi Bonacina, Sébastien Lani, Jérôme Extermann

We present an in-detail description of the design, simulation, fabrication, and packaging of a linear micromirror array specifically designed for temporal pulse shaping of ultrashort laser pulses. The innovative features of this device include a novel comb ...

American Institute of Physics2011

Investigation of hot roller embossing for microfluidic devices

Nico de Rooij

Microfluidics for most bio-related diagnostic applications typically requires single usage disposable chips to avoid bio-fouling and cross-contamination. Individual piece-wise manufacturing of polymeric microfluidic devices has been widely employed in rece ...

2010

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

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

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

Reversed processing of dry photoresist: application to the encapsulation of chemical sensors

Nico de Rooij, Jérôme Courbat, Danick Briand

A generic method for the reverse processing of dry photoresist is proposed. The technique is based on the lamination of pre-patterned polymeric structures on the pre-existing devices. The concept is illustrated with the encapsulation at the foil level of g ...

Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2010

Inkjet printed colorimetric ammonia sensor on plastic foil for low-cost and low-power devices

Nico de Rooij, Jérôme Courbat, Michael Linder, Danick Briand

A polymeric-based colorimetric gas sensor with its associated electronics targeting ammonia detectionat low-cost and low-power is presented. The gas sensitive layer was inkjet printed on a plastic foil used as an optical waveguide. The planarconfiguration ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Scalable cascaded snap-in actuators for large-stroke displacements

Nico de Rooij, Wilfried Noell, Yves Pétremand, Nicolas Bernard Golay

This paper will focus on the design, and first measurements of a cascaded in-plane parallel plate snap-in actuator. The actuator is based on a rather simple microfabrication process and can achieve a total displacement of several tenths of microns. Compare ...

2009

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

Nico de Rooij, Jérôme Courbat, Danick Briand

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

Evaluation of pH indicator-based colorimetric films for ammonia detection using optical waveguides

Nico de Rooij, Jérôme Courbat, Danick Briand

The evaluation of colorimetric films for the detection of low concentrations of gaseous ammonia in a waveguide configuration is presented. They were composed of a pH indicator selective to NH3 embedded in a polymeric matrix and deposited on an optical wave ...

2009

Biosensor Microprobe Functionalisation Using an On-Chip Dispensing Approach

Nico de Rooij, Olivier Frey, Peter Van der Wal

Silicon biosensor microprobes for the in vivo detection of neurotransmitters are equipped with removable clips for an on-chip functionalisation technique that allows a simple and comfortable but very local and reproducible deposition of sensitive layers on ...

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

Page 3 sur 5