A pdf version of my CV is also available here

Dr Aboubacar Chaehoi, CEng.
R&D MEMS / Micro and Nano-technologies

  INDUSTRY EXPERIENCE
2019-Now Technical Leader , TDK-Micronas, Freiburg, Deutschland (www.micronas.tdk.com )
  TDK-Micronas is a  globally  operating  manufacturer  of  semiconductors which develops and produces trend-setting IC and sensor system solutions for automotive and industrial electronics.
 
  • Technical Responsible for development of magnetic field sensor products for automotive application
  • Plan and report of product verification, evaluation, characterization, qualification
  • Undertake execution of technical tasks as necessary with the rest of the team dedicated to the product development
  • Main interface between customers and R&D group for technical related requests
 

Key Achievements

  •  Management of the development of magnetic field sensors for automotive application.
2015-2018 Senior Sensor Engineer – Project Leader , ZF-TRW, Radolfzell, Deutschland (www.zf.com )
  ZF-TRW - one of the largest automotive suppliers worldwide - is a global leader in electronics and sensors for automotive active and passive safety technology. My responsibilities include:
 
  • Author MEMS sensor definition documentation and component specification
  •  Establish development timing, performing and reporting
  •  Coordinate prototype testing and characterization (task tracking, scheduling and completion)
  •  Support component PPAP and production launch tasks
  •  Key responsibility to interface with MEMS suppliers and to support ZF-TRW customer and quality for sensor components
 

Key Achievements

  •  Management and Development of electronics component for automotive safety application from sensor definition to PPAP and production.
2013-2014 Technical Project Manager , CEA-Leti, Grenoble, France (www-leti.cea.fr/en )
  Leti is a department of CEA, a research and technology organization with activities in energy, IT, healthcare, defense and security. It specializes in nanotechnologies and their applications. My responsibilities include:
 
  • Project management for the development of a high performance accelerometer on a breakthrough technology combining micro- and nano-electromechanical systems (M&NEMS®).
  • Coordination of  technical teams (layout and masks development, process and fabrication)
  • Tasks planning and control, risks assessment and management, customer relationship management
  • Design of M&NEMS® accelerometers and pressure sensors.
 

Key Achievements

  • Technical project management and sensors design.
  • Patent US20170261528 : “Damped Linear Accelerometer”, B.Fain, A.Chaehoi,P.Robert, Sept 14th 2017
  • Patent EP3217181 A1 : “Accelerometre lineaire amorti” , B.Fain,A.Chaehoi, P.Robert, Sept 13th 2017
2012  Inertial Sensor Expert , IXBLUE, Lannion, France (www.ixblue.com )
  IXBLUE is a Global Solution Provider delivering Inertial, Motion, Subsea Acoustic, Seabed Mapping and Sub Bottom Profiling Products and Systems. My responsibilities include:
 
  • Support the development and the industrialization of a high-performance quartz-based vibrating beam accelerometer
  • Thermo-mechanical modelling of packaging and electronics effect
  • Develop FEM models of the entire sensor to improve the mechanical and thermal behaviour performances.
 

Key Achievements :

  • Support the development phase towards completion. Product industrialization ready to kick-off.
2009–2012 Senior MEMS Designer ,  Institute for System Level Integration, Edinburgh, UK, (www.isli.co.uk ).
  ISLI is an R&D and technology transfer service company that supports the development of electronics systems and MEMS and explores new technologies through research. My responsibilities include:
 
  • Design of a monolithically (MEMS and ASIC) integrated 3-axis piezoresistive accelerometer and a pressure sensor on the SOI process developed with Semefab.
  • Authored European and national research project proposals (formation of consortia, identification of potential funding routes, drawing up of the proposal document and project planning).
  • Provide expertise and consultancy in micro-sensors for Scottish SMEs.
  • Contribution to ISLI’s IP portfolio (proposed potentially protectable IP and worked towards protection.
  • Guest lecturer, Heriot-Watt University, Year 4 and 5 Mechanical Engineering degree programmes.
2006-2009 MEMS Designer ,  Institute for System Level Integration, Edinburgh, UK, (www.isli.co.uk ).
  My responsibilities include:
 
  • Support the development and integration of a CMOS-SOI MEMS-compatible process for a major UK-based MEMS player (Semefab)
  • Coordinated ISLI’s involvement in a collaborative research venture: the Scottish Consortium in Integrated Micro-Photonic System (SCIMPS).
  • ·  Dissemination of R&D results at international conferences and journals. My research field includes monolithic CMOS-MEMS sensors, piezoelectric micro-actuators and MEMS DC/DC converters.
  • Project supervision of several MSc students: “Development and Design of an integrated Gimbal Gyroscope” , “Design of low-power hotplate for MEMS capacitive humidity sensors”, and collaborative PhD research project “Sigma-Delta modulator conditioning system for Pellistor-type Gas Sensors” .
 

Key Achievements at ISLI (2006 – 2012):

  • Design and prototyping of a MEMS sensors with fully integrated CMOS electronics on SOI with a complete wafer-level packaging solution (BCB and anodic bonding)
  • Device testing, characterisation and failure analysis experience
  • Author and investigator of different research funding proposals 
  • Project leader in commercial and research projects  
   
  RESEARCH EXPERIENCE
2002-2005 Researcher (Doctorate),  Laboratoire d’Informatique et de Microélectronique de Montpellier (LIRMM), France
 

University of Montpellier, France and University of Catania, Italy

“Design and Modelling of CMOS monolithic MEMS using CMOS-FSBM technology: application to inertial sensors”

http://tel.archives-ouvertes.fr/tel-00277563/fr/

 

Key Achievements :

  • Design of a CMOS-FSBM 3-axis accelerometer using both piezoresistive and thermal transduction (on an AMS CMOS technology). 
  • Development of sensors' FEM & behavioral models
  • Developped skills in CAD and FEM tools (CADENCE, ANSYS).
  • Publications and oral presentations in major international IEEE sponsored conferences: IEEE Sensors’03, Eurosensors’04, EuSPEN’05, IEEE PRIME’05, Eurosensors’05, IEEE Sensors’05...
  • Teaching experience: Labs on Pspice simulation; Labs on C language.
  • Monitoring experience: project advisor of a Master Engineering student, thesis: “Active damping of resonant accelerometer using electromagnetic forces”  and project advisor of a postgraduate student, thesis: “Test of monolithic MEMS” .
2002 Intern Researcher , Laboratoire d’Informatique et de Microélectronique de Montpellier (LIRMM), France
  “Development and evaluation of an oscillation based-test method for monolithic MEMS”.
 

Key Achievements

  • Evaluation a test method originally designed for analog electronics for the MEMS testing, using CADENCE simulation tools (Analog Artist, Monte Carlo simulations, AHDL language)
  • Developement a new test method for MEMS, leading to publications in international conferences: IMSTW’03, IEEE LATW’03.
2001 Research Assistant , Centre d’Electronique et de Micro-Optoélectronique de Montpellier (IES / CEM2), France
  “Design of sensors based on Pelletier micro-modules (Thermopile with constant  temperature of sensing surface and vacuum sensor)”.
 

Key Achievements

  • Research and development of electronic circuit and performance evaluation of a thermopile and a vacuum sensor. 
  • Fabrication of micro-sensors. Design and simulation of the read-out electronic circuitry (P-SPICE).
   
  EDUCATION
2002-2005 PhD Microelectronics/MEMS , Université de Montpellier - France & Universtà Degli Studi di Catania - Italy
2001-2002 Postgraduate degree (Hons)  Microelectronics, University of Montpellier
2000-2001 MSc  Electronics Engineering, University of Montpellier
   
  TECHNICAL SKILLS
  • FEM: Ansys, CoventorWare, MEMS+, Comsol Multiphysics
  • CAD: Cadence (including Virtuoso, Analog Artist and Spectre), CleWin, P-Spice
  • Analytical Simulations: Maple, Matlab, Python
  • Programming languages: C, C++
  • Operating Systems  Windows, Linux/Unix
 
  PROFESSIONAL ACTIVITIES & INTERESTS
  • Chartered Engineer  (CEng - UK Engineering Council 586326)
  • Sport : mountain biking and kickboxing / K1 / MuayThai boxing.
 
  LANGUAGES
  • French:  Native
  • English: Fluent
  • German: Conversational 
I am the French-English translator of: Wautelet, M. Nanotechnologies , IET 2009, ISBN: 0863419416 (Les Nanotechnologies)