Pavel Kejik

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Related publications (32)

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

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

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

New approach to Hall microsystem configuration

Radivoje Popovic, Pavel Kejik, Predrag Drljaca

2006

Submicrometer Hall devices fabricated by focused electron-beam-induced deposition

Radivoje Popovic, Giovanni Boero, Patrik Willi Hoffmann, Pavel Kejik, Niels Quack, Tristan Bret, Jürgen Brugger, Schahrazede-Lila Mouaziz

Hall devices having an active area of about (500 nm)(2) are fabricated by focused electron-beam-induced deposition. The deposited material consists of cobalt nanoparticles in a carbonaceous matrix. The realized devices have, at room temperature, a current ...

American Institute of Physics2005

Submicrometer Hall devices fabricated by focused electron-beam-induced deposition

Radivoje Popovic, Giovanni Boero, Patrik Willi Hoffmann, Pavel Kejik, Niels Quack, Tristan Bret, Jürgen Brugger, Schahrazede-Lila Mouaziz

Hall devices having an active area of about (500 nm)2 are fabricated by focused electron-beam-induced deposition. The deposited material consists of cobalt nanoparticles in a carbonaceous matrix. The realized devices have, at room temperature, a current se ...

2005

A novel planar magnetic sensor based on orthogonal fluxgate principle

Radivoje Popovic, Pavel Kejik, Franck Vincent, Ozge Zorlu

In this paper, we present a new planar fluxgate magnetometer structure. The sensor has the orthogonal fluxgate configuration which makes the detection part independent of the excitation mechanism. The sensor consists of a ferromagnetic cylindrical core cov ...

2005

Low-power 2-D fully integrated CMOS fluxgate magnetometer

Radivoje Popovic, Pavel Kejik, Franck Vincent, Predrag Drljaca

In this paper, we present a low-power, two-axis fluxgate magnetometer. The planar sensor is integrated in a standard CMOS process, which provides metal layers for the coils and electronics for the signal extraction and processing. The ferromagnetic core is ...

Institute of Electrical and Electronics Engineers2005

First Fully CMOS-Integrated 3D Hall Probe

Radivoje Popovic, Pavel Kejik, Enrico Schurig

We present the first fully CMOS-integrated 3D Hall probe. The microsystem is developed for precise magnetic field measurements in the range from mT up to tens of tesla in the frequency range from DC to 30 kHz and with a spatial resolution of about 150 μm. ...

2005

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