Publications by Jean-Marc Breguet

Nanoindentation cracking in gallium arsenide: Part II. TEM investigation

Jean-Marc Breguet, Jean-Daniel Ganière, Johann Michler, Jacques Giovanola, Cédric Pouvreau

The nanoindentation fracture behavior of gallium arsenide (GaAs) is examined from two perspectives in two parent papers. In the first paper (part I), we address the morphology of the crack field induced by different types of indenters by means of in situ n ...

Cambridge University Press2013

Nanoindentation cracking in gallium arsenide: Part I. In situ SEM nanoindentation

Jean-Marc Breguet, Johann Michler, Jacques Giovanola, Cédric Pouvreau

The nanoindentation fracture behavior of gallium arsenide (GaAs) is examined from two perspectives in two parent papers. The first paper (part I) focuses on in situ nanoindentation within a scanning electron microscope (SEM) and on fractographic observatio ...

Cambridge University Press2013

Tunable Extended-cavity Diode Laser Based on a Novel Flexure-mechanism

Simon Nessim Henein, Jean-Marc Breguet

This article presents the design, implementation and characterization of a Littman-Metcalf extended-cavity diode laser. The extended cavity is closed by a roof (retro-reflecting) prism. The wavelength tuning is based on a two degrees-of-freedom monolithic ...

Informa UK Limited2013

Electron Microscopy Mechanical Testing of Silicon Nanowires Using Electrostatically Actuated Tensile Stages

Jean-Marc Breguet, Reymond Clavel, Johann Michler, Dongfeng Zhang

Two types of electrostatically actuated tensile stages for in situ electron microscopy mechanical testing of 1-D nanostructures were designed, microfabricated, and tested. Testing was carried out for mechanical characterization of silicon nanowires (SiNWs) ...

Institute of Electrical and Electronics Engineers2010

A high-sensitivity and quasi-linear capacitive sensor for nanomechanical testing applications

Jean-Marc Breguet, Reymond Clavel, Johann Michler, Dongfeng Zhang

The design, modeling, fabrication and characterization of triplate differential capacitive sensors employed in novel on-chip tensile and compression material testing systems are reported, where the capacitive sensors are integrated to measure the load on t ...

2009

PRIGO: Parallel Robotics Inspired Goniometer for Protein Crystallography

Simon Nessim Henein, Jean-Marc Breguet, Wayne Glettig

This paper presents a novel goniometer which is designed for use with X-ray diffraction analysis in protein crystallography. The PRIGO (Parallel Robotics Inspired Goniometer) is a 6 degree of freedom positioning device, allowing 3 translations (x, y, z) an ...

2009

In-situ nanotensile testing of nanowires

Jean-Marc Breguet, Reymond Clavel, Dongfeng Zhang

2009

Friction based locomotion module for mobile MEMS robots

Jean-Marc Breguet, Reymond Clavel, Amar Rida, Walter Driesen

The “Modulated Friction Inertial Drive (MFID) principle” is presented as a locomotion solution for mmsize micro robots dealing with both size constraints and limitations in terms of power consumption. Based on one of the configurations of this locomotion p ...

2007

Unified mechanical approach to piezoelectric bender modeling

Jean-Marc Breguet, Robert Dunsch

Anewanalytical modeling approach for piezoelectric bending elements is described. The approach is based on the beam theory under quasi-static equilibrium condition. It uses the theory of superposition of piezoelectric action in the bender and external mome ...

2007

Applications of piezo-actuated micro-robots in micro-biology and material science

Jean-Marc Breguet, Tomas Cimprich, Walter Driesen

This paper presents a few examples of manipulators and micro-robots based on piezo-actuators developed during the last 4 years in the Laboratoire de Systèmes Robotiques (LSRO) at EPFL. Three working principles will be described (bender, inch-worm, inertial ...

2007

Solar Cell Powering with Integrated Global Positioning System for mm3 Size Robots

Alexis Boletis, Jean-Marc Breguet, Walter Driesen, Alberto Brunete

new concept of a solar cell powering with integrated Global Positioning System (GPS) for microrobots is proposed. The main idea is to use a projector to transfer energy and to provide global positioning information to the robots that are equipped with mult ...

2006

Ultrasonic monolithic piezoelectric multi DOF actuators for mobile microrobots

Jean-Marc Breguet, Tomas Cimprich, Walter Driesen

We propose a new type of “hybrid” ultrasonic driving principle for our monolithic piezoelectric actuators, which consist of simple electrode patterning on a PZT ceramic substrate The operating principle of the proposed USM is based on the conversion of ell ...

2006

Novel locomotion principle for mobile micro robots

Jean-Marc Breguet, Reymond Clavel, Walter Driesen

This paper presents a novel locomotion concept for mobile micro robots: the “friction drive principle”. It allows for easy miniaturization and high velocities for low power consumption and simple onboard electronics. A prototype (Ø20 mm × 7.5 mm) with two ...

2006

A review on actuation principls for few cubic millimeter sized mobile micro-robots

Jean-Marc Breguet, Walter Driesen

Actuation systems for few cubic millimeter sized mobile autonomous robots are subject to severe constraints in terms of e.g. size, fabrication or power consumption. Also the onboard electronics has limited performance due to both size and power restriction ...

2006

Micro manipulation by adhesion with two collaborating mobile micro robots

Jean-Marc Breguet, Walter Driesen

A micro manipulation platform consisting of two cubic centimeter sized micro robots each with four degrees of freedom has been developed. This paper discusses four different strategies of manipulation by adhesion for grasping, transferring and releasing a ...

2005

MICRON: Small Autonomous Robot for Cell Manipulation Applications

Jean-Marc Breguet, Walter Driesen

Manipulating in the micro- or even nano world still poses a great challenge to robotics. Conventional (stationary) systems suffer from drawbacks regarding integration into process supervision and multi-robot approaches, which become highly relevant to figh ...

2005

Flexible micro manipulation platform based on tethered cm3-sized mobile micro robots

Jean-Marc Breguet, Walter Driesen

This paper presents a micro manipulation platform based on several cm3-sized mobile micro robots. The proposed platform consists of a high resolution XY stage with the mobile micro robots on top of it, a camera with a microscopic objective for the local vi ...

2005

Mobile cm3-microrobots with tools for nanoscale imaging and micromanipulation

Jean-Marc Breguet, Walter Driesen

This paper presents a microrobot concept for microhandling and micromanipulation, which has been developed within the framework of the EU founded project MiCRoN. The concept is explained along with some examples of realized modules for the robots and a num ...

2004

Monolithic piezoelectric actuators for miniature robotic systems

Jean-Marc Breguet, Walter Driesen

2004

Observation of fracture and plastic deformation during indentation and scratching inside the scanning electron microscope

Sven Nico Stauss, Jean-Marc Breguet, Johann Michler, Franz-Josef Haug

During nanoindentation measurements of thin films the formation of cracks within the film as well as of pile-up or sink-in around the indent are known to affect significantly the precision of hardness and Young's modulus values. The crack pattern in brittl ...

2004