A5023285948- Advanced MEMS and NEMS Technologies
- Neuroscience and Neural Engineering
- Acoustic Wave Resonator Technologies
- Wireless Power Transfer Systems
- Mechanical and Optical Resonators
- Advanced Sensor and Energy Harvesting Materials
- Electrowetting and Microfluidic Technologies
- Dental Implant Techniques and Outcomes
- Sensor Technology and Measurement Systems
- Energy Harvesting in Wireless Networks
- Microfluidic and Capillary Electrophoresis Applications
- Photonic and Optical Devices
- 3D IC and TSV technologies
- Analog and Mixed-Signal Circuit Design
- Microfluidic and Bio-sensing Technologies
- Analytical Chemistry and Sensors
- Force Microscopy Techniques and Applications
- Advanced Surface Polishing Techniques
- Wireless Body Area Networks
- Innovative Energy Harvesting Technologies
- Orthopaedic implants and arthroplasty
- Semiconductor Lasers and Optical Devices
- Bone Tissue Engineering Materials
- Advanced Fiber Optic Sensors
- EEG and Brain-Computer Interfaces
KU Leuven
2012-2021
IMEC
2008-2019
Airlangga University
2019
VIB-KU Leuven Center for Microbiology
2016
Imec the Netherlands
2014
École Supérieure des Arts Saint-Luc de Liège
2007-2008
Truven Health Analytics (United States)
2008
Holst Centre (Netherlands)
2008
Catholic University of America
1999-2007
Sensors (United States)
2007
<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> There is a growing demand for low-power, small-size and ambulatory biopotential acquisition systems. A crucial important block of this system the analog readout front-end. We have implemented low-power low-noise front-end with configurable characteristics Electroencephalogram (EEG), Electrocardiogram (ECG), Electromyogram (EMG) signals. Key to its performance new AC-coupled chopped...
Neural probes have become the most important tool for enabling neuroscientists to place microelectrode sensors close individual neurons and monitor their activity in vivo. With such devices, it is possible perform acute or chronic extracellular recordings of electrical from a single neuron groups neurons. After many developments neural implants, has clear that large arrays electrodes are desirable further investigate performed by complex networks. Therefore, this paper, we propose CMOS probe...
In this paper, a closed-form expression for the pull-in voltage of fixed–fixed beams and fixed–free is derived starting from known simple lumped spring-mass system. The effects partial electrode configuration, axial stress, non-linear stiffening, charge re-distribution fringing fields are all included in final expression. Further, results obtained summarized validated with other existing empirical analytical models as well finite element simulation results. model agrees COVENTORWARE software.
<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> The growing interest toward the improvement of patients' quality life and use medical signals in nonmedical applications such as entertainment, sports, brain–computerinterfaces, requires implementation miniaturized wireless biopotential acquisition systems with ultralow power dissipation. Therefore, this paper presents a complete EEG ASIC tailored towards needs applications, i.e., high-signal...
Reliability issues currently hamper the commercialization of capacitive RF MEMS switches. The most important failure mode is parasitic charging dielectric such devices. In this paper we present an improved analytical model that enables us to calculate and understand effect insulator on behavior switches, describe way they fail, their reliability. Emphasis placed a shift pull-out voltage predict failures. Tests with switches have been performed validate features model.
Finite element models were created to study the stress and strain distribution around a solitary BAnemark implant. The influence of number clinically relevant parameters was examined: bone‐implant interface (fixed bond versus frictionless free contact), bone elastic properties, unicortical bicortical implant fixation presence lamina dura. Bone loading patterns in vicinity seem be very sensitive these parameters. Hence they should integrated correctly numerical vivo behaviour oral implants....
This paper presents a pseudo-2-D surface potential model for the double-gate tunnel field-effect transistor (DG-TFET). Analytical expressions are derived 2-D potential, electric field, and generation rate, used to numerically extract tunneling current. The predicts device characteristics large range of parameters allows gaining insight on physics. depletion regions induced inside source drain included in solution, we show that these become critical when scaling length. fringing field effect...
Since loading is increasingly believed to be a determining factor in the treatment outcome with oral implants, there need expand knowledge related biomechanics of implants. The aim this study gain insight distribution and magnitude occlusal forces on implants carrying fixed prostheses. This done by vivo quantification qualification these forces, which implies that not only load but also its type (axial force or bending moment) will registered. A total 13 patients an implant supported full...
One of the most important reliability problems in micro-electromechanical systems (MEMSs) is stiction, adhesion contacting surfaces due to surface forces. After reviewing known physical theory, and measurement method commonly used investigate we present a model that can be sensitivity MEMS stiction. It quantitatively predicts interaction energy contact. Included roughness environmental conditions (humidity temperature). This done by describing as function distance between surfaces. not...
We present a high electrode density and channel count CMOS (complementary metal-oxide-semiconductor) active neural probe containing 1344 neuron sized recording pixels (20 µm × 20 µm) 12 reference 80 µm), densely packed on 50 thick, 100 wide, 8 mm long shank. The electrodes or consist of dedicated in-situ circuits for signal source amplification, which are directly located under each electrode. supports the simultaneous all 1356 with sufficient to noise ratio typical neuroscience...
Electrowetting-on-dielectric (EWOD) lab-on-a-chip systems have already proven their potential within a broad range of bio-assays. Nevertheless, research on the analytical performance those is limited, yet crucial for further breakthrough in diagnostic field. Therefore, this paper presents intrinsic possibilities an EWOD as versatile platform homogeneous and heterogeneous bio-assays with high performance. Both droplet dispensing splitting cause variations size, thereby directly influencing...
Digital microfluidics is introduced as a novel platform with unique advantages for performing single-molecule detection. We demonstrate how superparamagnetic beads, used capturing single protein molecules, can be printed unprecedentedly high loading efficiency and bead resolution on an electrowetting-on-dielectric-based digital microfluidic chip by micropatterning the Teflon-AF surface of device. By transporting droplets containing suspended beads over hydrophilic-in-hydrophobic...
The electrostatic bonding of silicon and Pyrex glass was studied in order to find out the influence process parameters on final result be able optimize with regard fabrication sensors. most important are temperature voltage. main criterion used for optimization their values induced stress part bonded ensemble. It found that a 360 degrees C voltages range 750-1000 V suitable.