Personne

Nico de Rooij

Publications associées (374)

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

Flexible and Robust Multilayer Micro-Vibrational Harvesters for High Acceleration Environments

Nico de Rooij, Danick Briand, Andres Felipe Vasquez Quintero, Pattanaphong Janphuang, Robert Andrew Lockhart

This paper presents the fabrication and characterization of multilayer PVDF resonant micro-vibrational energy harvesters designed to withstand environments in which high levels of acceleration are present. The multilayer cantilevers are fabricated by combi ...
Iop Publishing Ltd2013

On inkjet-printed flexible capacitive micro gas sensors: towards digital fabrication

Nico de Rooij, Danick Briand, Francisco Molina Lopez

This work presents the evolution of inkjet-printed capacitive micro gas sensors through the development of three different consecutive generations, moving on from planar interdigitated electrodes (IDE) to parallel plates structures. The sensors are compose ...
2013

Inkjet-printed organic transistors for the detection of gaseous analytes

Nico de Rooij, Danick Briand, Francisco Molina Lopez, Giorgio Mattana

This work presents the fabrication and characterization of inkjet-printed Organic Field Effect Transistors (OFETs) fabricated on flexible, plastic substrates for the detection of gaseous species. The transistors structure and fabrication process is present ...
2013

Fluorescence based low-cost microbiosensors using simultaneously microfabrication process and enzyme immobilisation

Nico de Rooij, Peter Van der Wal, Sotiria Psoma

A novel one-step microfabrication process of SU-8 films is proposed for developing inexpensive, small size and light-weight optical glucose micro-biosensors. Experimental work was performed in order to investigate whether the widely used in MEMS applicatio ...
2012

Portable automated osmolality and pH adjusting apparatus for pretreatment of environmental water samples delivered into a cell-based biosensor

Nico de Rooij, Peter Van der Wal, Sara Talaei

Using our portable in-line fluidic pretreatment apparatus we have adjusted the osmolality and pH of Swiss river samples automatically without any dilution or degradation of the samples. The samples will be tested by means of a cell-based water quality bios ...
2012

Printed sensors on smart RFID labels for logistics

Nico de Rooij, Danick Briand, Francisco Molina Lopez, 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

Wafer Level Fabrication of Vibrational Energy Harvesters using Bulk PZT Sheets

Nico de Rooij, Danick Briand, Pattanaphong Janphuang, Robert Andrew Lockhart

This paper presents a complete wafer level microfabrication process for the production of unimorph MEMS energy harvesters based on bulk PZT. Recently, piezoelectric harvesters designed to take advantage of the high quality piezoelectric properties of bulk ...
Elsevier Science Bv2012

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

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

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

Large MEMS-based programmable reflective slit mask for multi-object spectroscopy fabricated using multiple wafer-level bonding

Nico de Rooij, Michael David Canonica, Wilfried Noell

Multi-object spectroscopy (MOS) allows measuring infrared spectra of faint astronomical objects that provides information on the evolution of the Universe. MOS requires a slit mask for object selection at the focal plane of the telescope. We are developing ...
Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2012

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