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Radivoje Popovic

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Publications associées (48)

Three-Axis Teslameter with Integrated Hall Probe

Radivoje Popovic, Pavel Kejik, Enrico Schurig

The first commercially available teslameter with a fully integrated three-axis Hall probe is described. The Hall probe chip contains horizontal and vertical Hall elements, analog electronics, and a synchronization circuit. A horizontal Hall element measure ...

Institute of Electrical and Electronics Engineers2007

Fluxgate-type magnetic microsensors for wide linear measuring range

Radivoje Popovic, Pavel Kejik, Ozge Zorlu

In this paper, we present a microfabricated fluxgate sensor for wide linear measuring range applications. The sensor consists of an electroplated copper excitation rod surrounded by an electroplated Permalloy core layer, and has planar pick-up coils for si ...

2007

True 2D CMOS integrated Hall sensor

Radivoje Popovic, Pavel Kejik

We have designed and realized a new integrated Hall structure that converts the magnetic field vector in the chip plane, into an ac signal, whose amplitude and phase correspond to the magnitude and direction of the field, respectively. It is the first Hall ...

2007

Multi-axis integrated Hall magnetic sensors

Radivoje Popovic, Pavel Kejik

2007

NMR spectroscopy and perfusion of mammalian cells using surface microprobes

Pierre-André Besse, Radivoje Popovic, Florian Maria Wurm, Mathieu Benjamin Stettler, Jürgen Brugger, Klaus Ehrmann, Kristopher Pataky

NMR spectra of mammalian cells are taken using surface microprobes that are based on microfabricated planar coils. The surface microprobe resembles a miniaturized Petri dish commonly used in biological research. The diameter of the planar coils is 1 mm. Ch ...

2007

Integrated Nickel Micro-Nano-Hall Sensors on SU-8 Cantilevers for Scanning Hall Probe Microscopy

Radivoje Popovic, Giovanni Boero, Christian Santschi, Chantal Imboden, Jürgen Brugger, Schahrazede-Lila Mouaziz, Oscar Vazquez Mena

We report the fabrication and characterization of nickel Hall sensors integrated on SU-8 cantilevers. Sensors having active area down to 1x1 μm 2 show a magnetic field resolution better than 1μT/Hz 1/2 in the thermal noise frequency range. The fabricated d ...

IEEE2007

Integrated Hall Microsystem with Current Re-Use

Radivoje Popovic, Pavel Kejik, Predrag Drljaca

A new architecture of a Hall microsystem for low-power applications is presented. The innovation in this paper lies in the re-use of the electric current for biasing of several parts in the microsystem permitting substantial reduction of the current consum ...

American Scientific Publishers2007

Circular Hall transducer for angular position sensing

Radivoje Popovic, Pavel Kejik

We developed a new integrated magnetic sensor based on the Hall effect, suitable for the application in magnetic contactless 360° absolute angle sensors. The device consists of a narrow n-well ring with a chain of 64 contacts equally distributed around the ...

2007

Integrated Single Photon Avalanche Detectors

Radivoje Popovic, Cristiano Niclass, Edoardo Charbon

Integrated single photon avalanche detectors (SPADs) are gaining interest in applications demanding high timing resolution and high sensitivity. The recent progress of design and implementation of SPADs in CMOS technology are discussed in this paper. ...

2007

An integrated micro-Hall probe for scanning magnetic microscopy

Radivoje Popovic, Giovanni Boero, Pavel Kejik

Anewmicrosystem with the ability to detect magnetic microstructures based on the non-invasive Hall principle is presented. The micro-Hall plate embedded in the microsystem and scaled down to the physical limits of the employedCMOStechnology has an active a ...

Elsevier2006

Advanced process of the magnetic core integration for the micro fluxgate magnetometer

Radivoje Popovic, Pavel Kejik, Franck Vincent, Predrag Drljaca

We present improved processing of the soft amorphous ferromagnetic material for the fully integrated fluxgate magnetometer. The additional steps of polishing, chemical thinning and annealing are introduced to preserve the original material characteristics ...

Elsevier2006

An Orthogonal Fluxgate-Type Magnetic Microsensor

Radivoje Popovic, Pavel Kejik, Franck Vincent, Ozge Zorlu

In this paper, we present a new microfabricated orthogonal fluxgate sensor structure. The sensor consists of an electroplated copper excitation rod surrounded by an electroplated permalloy layer and has planar pick-up coils for signal detection. The use of ...

2006

Semiconductor photodiode and method of making

Radivoje Popovic, Zhen Xiao

A semiconductor photodiode (18) is formed as a pn-junction between a region (2) of a first conductivity type and a region (6) of a second conductivity type. The region (6) of the second conductivity type is approximately hemispherical. A mini guard ring (8 ...

2006

Three-axis teslameter with integrated hall probe free from the planar hall effect

Radivoje Popovic, Pavel Kejik, Enrico Schurig

The first commercially available teslameter with a fully integrated 3-axis Hall probe is described. The Hall probe chip contains horizontal and vertical Hall elements, analogue electronics, and a synchronisation circuit. A horizontal Hall element measures ...

2006

A 4µs Integration Time Imager Based on CMOS Single Photon Avalanche Diode Technology

Pierre-André Besse, Radivoje Popovic, Alexis Rochas, Cristiano Niclass, Edoardo Charbon

2006

CMOS magnetic sensors with integrated ferromagnetic parts

Radivoje Popovic, Pavel Kejik, Predrag Drljaca

The paper deals with Hall and flux-gate magnetic field sensors consisting of integrated combination of CMOS ASICs and planar ferromagnetic components. Ferromagnetic parts are made of a soft amorphous alloy, integrated at the CMOS wafer in a post-processing ...

Elsevier2006

Hall sensor and method of operating a Hall sensor

Radivoje Popovic, Giovanni Boero, Pavel Kejik, Predrag Drljaca

A Hall sensor comprises a Hall element (1; 30; 31; 60) and an amplifier (2; 32; 33). The Hall element is placed inside the amplifier so that the current flowing through the Hall element also flows through the transistors of an amplifier stage of the amplif ...

2006

Polymer-based cantilevers with integrated electrodes

Radivoje Popovic, Giovanni Boero, Jürgen Brugger, Schahrazede-Lila Mouaziz

An innovative release method of polymer cantilevers with embedded integrated metal electrodes is presented. The fabrication is based on the lithographic patterning of the electrode layout on a wafer surface, covered by two layers of SU-8 polymer: a 10-um-t ...

Institute of Electrical and Electronics Engineers2006

New approach to Hall microsystem configuration

Radivoje Popovic, Pavel Kejik, Predrag Drljaca

2006

Identification of luminescent molecules comprises fluorescence correlation spectroscopy

Pierre-André Besse, Radivoje Popovic, Alexis Rochas, Theo Lasser

The invention relates to a method and device for identifying luminescent molecules according to the fluorescence correlation spectroscopy method. The inventive method comprising the following steps: a) preparing a sample (12) containing luminescent molecul ...

2005

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