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CMOS magnetic sensors with integrated ferromagnetic parts

Publications associées (97)

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Micro and nano tools for magnetic field imaging

Schahrazede-Lila Mouaziz

Scanning probe microscopy has become, nowadays, a branch of microscopy widely used to image surfaces of different specimens. Among the various applications, the magnetic imaging is one of the most exciting scanning probe microscopy techniques. It allows th ...

EPFL2007

A Hall sensor analog front end for current measurement with continuous gain calibration

Maher Kayal, Marc Pastre

This paper presents a new technique for continuously calibrating the sensitivity of a current measurement microsystem based on a Hall magnetic field sensor. An integrated reference coil generates a magnetic field for calibration. Using a variant of the cho ...

2007

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

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 contactless 360 degrees absolute angle encoding. The sensing device consists of a narrow n-well ring with a chain of 64 contacts equally distributed along the ring. It is ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

A 0.35um-CMOS, wide-band, low-noise HALL magnetometer for current sensing applications

Radivoje Popovic, Predrag Drljaca

A CMOS HALL magnetometer is presented herein that can be optimally used in current sensing applications thanks to its specific features. The magnetometer incorporates a set of integrated coils that generate a reference AC magnetic field to allow for sensit ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

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

Bringing NoCs to 65nm

Giovanni De Micheli, David Atienza Alonso, Luca Benini, Srinivasan Murali, Federico Angiolini

Very deep submicron process technologies are ideal application fields for NoCs, which offer a promising solution to the scalability problem. This article sheds light on the benefits and challenges of Noc-Based interconnect design in nanometer CMOS. The aut ...

2007

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

Active magnetic bearing design and characterization for high temperature applications

Luc Burdet

This thesis is motivated by one of the largest markets: aviation. This market, in which competition and investments are extraordinary, requires constant technical improvements in order to increase its competitiveness. Jet engines have an important influenc ...

EPFL2006

Automatic calibration of Hall sensor microsystems

Maher Kayal, Marc Pastre

In many applications, a Hall element is used for contact-less measurement such as linear and angular positions, electrical current, power and energy, etc. The Hall element fabricated by means of CMOS technology features mediocre characteristics [R.S. Popov ...

2006